Merge branch 'dev' of https://github.com/h4h13/RetroMusicPlayer into dev

Conflicts: README.md app/build.gradle app/src/main/java/code/name/monkey/retromusic/activities/PurchaseActivity.kt app/src/main/java/code/name/monkey/retromusic/activities/SupportDevelopmentActivity.kt app/src/main/java/code/name/monkey/retromusic/fragments/player/lockscreen/LockScreenPlayerControlsFragment.kt app/src/main/java/code/name/monkey/retromusic/interfaces/CabHolder.kt app/src/main/java/code/name/monkey/retromusic/interfaces/MainActivityFragmentCallbacks.kt app/src/main/java/code/name/monkey/retromusic/interfaces/MusicServiceEventListener.kt app/src/main/java/code/name/monkey/retromusic/interfaces/PaletteColorHolder.kt app/src/main/java/code/name/monkey/retromusic/util/AppRater.kt app/src/main/java/io/github/muntashirakon/music/App.kt app/src/main/java/io/github/muntashirakon/music/Constants.kt app/src/main/java/io/github/muntashirakon/music/HomeSection.kt app/src/main/java/io/github/muntashirakon/music/MainModule.kt app/src/main/java/io/github/muntashirakon/music/activities/DriveModeActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/LicenseActivity.java app/src/main/java/io/github/muntashirakon/music/activities/LockScreenActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/LyricsActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/MainActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/PermissionActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/PlayingQueueActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/SettingsActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/ShareInstagramStory.kt app/src/main/java/io/github/muntashirakon/music/activities/UserInfoActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/WhatsNewActivity.java app/src/main/java/io/github/muntashirakon/music/activities/base/AbsBaseActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/base/AbsMusicServiceActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/base/AbsSlidingMusicPanelActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/base/AbsThemeActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/bugreport/BugReportActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/DeviceInfo.java app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/Report.java app/src/main/java/io/github/muntashirakon/music/activities/saf/SAFGuideActivity.java app/src/main/java/io/github/muntashirakon/music/activities/tageditor/AbsTagEditorActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/tageditor/AlbumTagEditorActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/tageditor/SongTagEditorActivity.kt app/src/main/java/io/github/muntashirakon/music/activities/tageditor/WriteTagsAsyncTask.java app/src/main/java/io/github/muntashirakon/music/adapter/CategoryInfoAdapter.java app/src/main/java/io/github/muntashirakon/music/adapter/ContributorAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/GenreAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/HomeAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/SearchAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/SongFileAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/TranslatorsAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/album/AlbumAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/album/AlbumCoverPagerAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/album/HorizontalAlbumAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/artist/ArtistAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/base/AbsMultiSelectAdapter.java app/src/main/java/io/github/muntashirakon/music/adapter/base/MediaEntryViewHolder.java app/src/main/java/io/github/muntashirakon/music/adapter/playlist/LegacyPlaylistAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/playlist/PlaylistAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/song/AbsOffsetSongAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/song/OrderablePlaylistSongAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/song/PlayingQueueAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/song/PlaylistSongAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/song/ShuffleButtonSongAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/song/SimpleSongAdapter.kt app/src/main/java/io/github/muntashirakon/music/adapter/song/SongAdapter.kt app/src/main/java/io/github/muntashirakon/music/appshortcuts/AppShortcutIconGenerator.kt app/src/main/java/io/github/muntashirakon/music/appshortcuts/AppShortcutLauncherActivity.kt app/src/main/java/io/github/muntashirakon/music/appshortcuts/DynamicShortcutManager.kt app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/BaseShortcutType.kt app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/LastAddedShortcutType.kt app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/ShuffleAllShortcutType.kt app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/TopTracksShortcutType.kt app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetBig.kt app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetCard.kt app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetClassic.kt app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetSmall.kt app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetText.kt app/src/main/java/io/github/muntashirakon/music/appwidgets/BootReceiver.kt app/src/main/java/io/github/muntashirakon/music/appwidgets/base/BaseAppWidget.kt app/src/main/java/io/github/muntashirakon/music/db/BlackListStoreDao.kt app/src/main/java/io/github/muntashirakon/music/db/BlackListStoreEntity.kt app/src/main/java/io/github/muntashirakon/music/db/HistoryDao.kt app/src/main/java/io/github/muntashirakon/music/db/HistoryEntity.kt app/src/main/java/io/github/muntashirakon/music/db/LyricsDao.kt app/src/main/java/io/github/muntashirakon/music/db/LyricsEntity.kt app/src/main/java/io/github/muntashirakon/music/db/PlayCountDao.kt app/src/main/java/io/github/muntashirakon/music/db/PlayCountEntity.kt app/src/main/java/io/github/muntashirakon/music/db/PlaylistDao.kt app/src/main/java/io/github/muntashirakon/music/db/PlaylistEntity.kt app/src/main/java/io/github/muntashirakon/music/db/PlaylistWithSongs.kt app/src/main/java/io/github/muntashirakon/music/db/RetroDatabase.kt app/src/main/java/io/github/muntashirakon/music/db/SongEntity.kt app/src/main/java/io/github/muntashirakon/music/db/SongExtension.kt app/src/main/java/io/github/muntashirakon/music/dialogs/AddToPlaylistDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/BlacklistFolderChooserDialog.java app/src/main/java/io/github/muntashirakon/music/dialogs/CreatePlaylistDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/DeletePlaylistDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/DeleteSongsDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/ImportPlaylistDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/LyricsDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/RemoveSongFromPlaylistDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/RenamePlaylistDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/SavePlaylistDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/SleepTimerDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/SongDetailDialog.kt app/src/main/java/io/github/muntashirakon/music/dialogs/SongShareDialog.kt app/src/main/java/io/github/muntashirakon/music/extensions/ActivityEx.kt app/src/main/java/io/github/muntashirakon/music/extensions/ColorExt.kt app/src/main/java/io/github/muntashirakon/music/extensions/CursorExtensions.kt app/src/main/java/io/github/muntashirakon/music/extensions/DialogExtension.kt app/src/main/java/io/github/muntashirakon/music/extensions/DimenExtension.kt app/src/main/java/io/github/muntashirakon/music/extensions/DrawableExt.kt app/src/main/java/io/github/muntashirakon/music/extensions/FragmentExt.kt app/src/main/java/io/github/muntashirakon/music/extensions/NavigationExtensions.kt app/src/main/java/io/github/muntashirakon/music/extensions/PaletteEX.kt app/src/main/java/io/github/muntashirakon/music/extensions/Preference.kt app/src/main/java/io/github/muntashirakon/music/extensions/ViewExtensions.kt app/src/main/java/io/github/muntashirakon/music/fragments/AlbumCoverStyle.kt app/src/main/java/io/github/muntashirakon/music/fragments/CoroutineViewModel.kt app/src/main/java/io/github/muntashirakon/music/fragments/DetailListFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/LibraryViewModel.kt app/src/main/java/io/github/muntashirakon/music/fragments/MiniPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/NowPlayingScreen.kt app/src/main/java/io/github/muntashirakon/music/fragments/VolumeFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/about/AboutFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/albums/AlbumDetailsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/albums/AlbumDetailsViewModel.kt app/src/main/java/io/github/muntashirakon/music/fragments/albums/AlbumsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/artists/ArtistDetailsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/artists/ArtistDetailsViewModel.kt app/src/main/java/io/github/muntashirakon/music/fragments/artists/ArtistsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/base/AbsMainActivityFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/base/AbsMusicServiceFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/base/AbsPlayerControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/base/AbsPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/base/AbsRecyclerViewCustomGridSizeFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/base/AbsRecyclerViewFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/folder/FoldersFragment.java app/src/main/java/io/github/muntashirakon/music/fragments/genres/GenreDetailsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/genres/GenreDetailsViewModel.kt app/src/main/java/io/github/muntashirakon/music/fragments/genres/GenresFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/home/HomeFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/library/LibraryFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/NowPlayingPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/PlayerAlbumCoverFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/adaptive/AdaptiveFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/adaptive/AdaptivePlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/blur/BlurPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/blur/BlurPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/card/CardFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/card/CardPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/cardblur/CardBlurFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/cardblur/CardBlurPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/circle/CirclePlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/classic/ClassicPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/color/ColorFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/color/ColorPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/fit/FitFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/fit/FitPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/flat/FlatPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/flat/FlatPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/full/FullPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/full/FullPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/gradient/GradientPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/home/HomePlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/lockscreen/LockScreenControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/lockscreen/LockScreenPlayerControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/material/MaterialControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/material/MaterialFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/normal/PlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/normal/PlayerPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/peak/PeakPlayerControlFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/peak/PeakPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/plain/PlainPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/plain/PlainPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/simple/SimplePlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/simple/SimplePlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/tiny/TinyPlaybackControlsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/player/tiny/TinyPlayerFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/playlists/PlaylistDetailsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/playlists/PlaylistDetailsViewModel.kt app/src/main/java/io/github/muntashirakon/music/fragments/playlists/PlaylistsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/search/SearchFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/search/SearchViewModel.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/AbsSettingsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/AudioSettings.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/ImageSettingFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/MainSettingsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/NotificationSettingsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/NowPlayingSettingsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/OtherSettingsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/PersonalizeSettingsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/settings/ThemeSettingsFragment.kt app/src/main/java/io/github/muntashirakon/music/fragments/songs/SongsFragment.kt app/src/main/java/io/github/muntashirakon/music/glide/AlbumGlideRequest.java app/src/main/java/io/github/muntashirakon/music/glide/ArtistGlideRequest.java app/src/main/java/io/github/muntashirakon/music/glide/BlurTransformation.kt app/src/main/java/io/github/muntashirakon/music/glide/ProfileBannerGlideRequest.java app/src/main/java/io/github/muntashirakon/music/glide/RetroMusicColoredTarget.kt app/src/main/java/io/github/muntashirakon/music/glide/RetroMusicGlideModule.kt app/src/main/java/io/github/muntashirakon/music/glide/SingleColorTarget.kt app/src/main/java/io/github/muntashirakon/music/glide/SongGlideRequest.java app/src/main/java/io/github/muntashirakon/music/glide/UserProfileGlideRequest.java app/src/main/java/io/github/muntashirakon/music/glide/artistimage/ArtistImageLoader.kt app/src/main/java/io/github/muntashirakon/music/glide/palette/BitmapPaletteTranscoder.java app/src/main/java/io/github/muntashirakon/music/helper/HorizontalAdapterHelper.kt app/src/main/java/io/github/muntashirakon/music/helper/MusicPlayerRemote.kt app/src/main/java/io/github/muntashirakon/music/helper/MusicProgressViewUpdateHelper.kt app/src/main/java/io/github/muntashirakon/music/helper/PlayPauseButtonOnClickHandler.kt app/src/main/java/io/github/muntashirakon/music/helper/SearchQueryHelper.kt app/src/main/java/io/github/muntashirakon/music/helper/ShuffleHelper.kt app/src/main/java/io/github/muntashirakon/music/helper/StopWatch.kt app/src/main/java/io/github/muntashirakon/music/helper/menu/GenreMenuHelper.kt app/src/main/java/io/github/muntashirakon/music/helper/menu/PlaylistMenuHelper.kt app/src/main/java/io/github/muntashirakon/music/helper/menu/SongMenuHelper.kt app/src/main/java/io/github/muntashirakon/music/helper/menu/SongsMenuHelper.kt app/src/main/java/io/github/muntashirakon/music/interfaces/CabHolder.kt app/src/main/java/io/github/muntashirakon/music/interfaces/Callbacks.kt app/src/main/java/io/github/muntashirakon/music/interfaces/ICabHolder.kt app/src/main/java/io/github/muntashirakon/music/interfaces/IMainActivityFragmentCallbacks.kt app/src/main/java/io/github/muntashirakon/music/interfaces/IMusicServiceEventListener.kt app/src/main/java/io/github/muntashirakon/music/interfaces/IPaletteColorHolder.kt app/src/main/java/io/github/muntashirakon/music/interfaces/MainActivityFragmentCallbacks.kt app/src/main/java/io/github/muntashirakon/music/interfaces/MusicServiceEventListener.kt app/src/main/java/io/github/muntashirakon/music/interfaces/PaletteColorHolder.kt app/src/main/java/io/github/muntashirakon/music/lyrics/LrcView.java app/src/main/java/io/github/muntashirakon/music/model/Artist.kt app/src/main/java/io/github/muntashirakon/music/model/lyrics/Lyrics.java app/src/main/java/io/github/muntashirakon/music/providers/BlacklistStore.java app/src/main/java/io/github/muntashirakon/music/providers/MusicPlaybackQueueStore.java app/src/main/java/io/github/muntashirakon/music/repository/GenreRepository.kt app/src/main/java/io/github/muntashirakon/music/repository/PlaylistSongsLoader.kt app/src/main/java/io/github/muntashirakon/music/repository/Repository.kt app/src/main/java/io/github/muntashirakon/music/repository/RoomRepository.kt app/src/main/java/io/github/muntashirakon/music/repository/SongRepository.kt app/src/main/java/io/github/muntashirakon/music/service/MultiPlayer.java app/src/main/java/io/github/muntashirakon/music/service/MusicService.java app/src/main/java/io/github/muntashirakon/music/service/PlaybackHandler.java app/src/main/java/io/github/muntashirakon/music/util/FileUtil.java app/src/main/java/io/github/muntashirakon/music/util/NavigationUtil.java app/src/main/java/io/github/muntashirakon/music/util/PlaylistsUtil.java app/src/main/java/io/github/muntashirakon/music/util/PreferenceUtil.kt app/src/main/java/io/github/muntashirakon/music/util/RetroUtil.java app/src/main/java/io/github/muntashirakon/music/util/SAFUtil.java app/src/main/java/io/github/muntashirakon/music/util/color/MediaNotificationProcessor.java app/src/main/java/io/github/muntashirakon/music/util/color/NotificationColorUtil.java app/src/main/java/io/github/muntashirakon/music/views/BaselineGridTextView.java app/src/main/java/io/github/muntashirakon/music/views/BreadCrumbLayout.java app/src/main/java/io/github/muntashirakon/music/views/CircularImageView.java app/src/main/java/io/github/muntashirakon/music/views/ContributorsView.java app/src/main/java/io/github/muntashirakon/music/views/NetworkImageView.java app/src/main/java/io/github/muntashirakon/music/views/SeekArc.java app/src/main/res/layout-land/fragment_home.xml app/src/main/res/layout-xlarge-land/fragment_blur.xml app/src/main/res/layout/activity_lock_screen.xml app/src/main/res/layout/activity_user_info.xml app/src/main/res/layout/fragment_banner_home.xml app/src/main/res/layout/fragment_classic_player.xml app/src/main/res/layout/fragment_folder.xml app/src/main/res/layout/fragment_home.xml app/src/main/res/layout/item_image.xml app/src/main/res/layout/sliding_music_panel_layout.xml app/src/main/res/navigation/now_playing.xml
2020-10-15 19:16:23 +06:00 · 2020-10-15 19:16:23 +06:00 · 3c0fc790d1
commit 3c0fc790d1
parent 3ce85797ea 928f2e4686
442 changed files with 18453 additions and 14559 deletions
--- a/README.md
+++ b/README.md
@ -40,7 +40,7 @@ Dark and Just Black for AMOLED displays. Select your favorite accent
 color from a color palette.

 ### 🏠 Home
-Where you can have your recently/top played artists, albums and
+Where you can view your recently/top played artists, albums and
 favorite songs. No other music player has this feature.

 ### 📦 Included Features
@ -49,33 +49,32 @@ favorite songs. No other music player has this feature.
 -  Driving Mode
 -  Headset/Bluetooth support
 -  Music duration filter
-  Folder support - Play song by folder
+-  Folder support - Play songs by folder
 -  Gapless playback
 -  Volume controls
-  Carousel effect for an album cover
+-  Carousel effect for album covers
 -  Home screen widgets
 -  Lock screen playback controls
 -  Lyrics screen (download and sync with music)
-  Sleep Timer
+-  Sleep timer
 -  Easy drag to sort playlist & play queue
 -  Tag editor
 -  Create, edit and import playlists
 -  Playing queue with reorder
 -  User profile
-  30 Languages support
+-  30+ languages support
 -  Browse and play your music by songs, albums, artists, playlists and
  genre
 -  Smart Auto Playlists - Recently played, most played and history
-  Build your own playlist on the go
+-  Build your playlist on the go


-We are trying our best to bring you the best user experience. The app is regulary being updated for bug fixes and new features.
+We are trying our best to bring you the best user experience. The app is regularly being updated for bug fixes and new features.

 ### 🗂️ License

 Metro is released under the GNU General Public License v3.0
-(GPLv3), which can be found here: [License](LICENSE.md)
+(GPLv3), which can be found [here](LICENSE.md)


->Please note: Retro Music player is an offline music player app. It
->doesn't support music downloading or online music streaming.
+> Please note: Metro is an offline music player app. It doesn't support music downloading or online music streaming.
--- a/app/build.gradle
+++ b/app/build.gradle
@ -6,7 +6,7 @@ apply plugin: "androidx.navigation.safeargs.kotlin"

 android {
    compileSdkVersion 29
-    buildToolsVersion = '30.0.1'
+    buildToolsVersion = '30.0.2'

    defaultConfig {
        minSdkVersion 21
@ -16,8 +16,8 @@ android {
        vectorDrawables.useSupportLibrary = true

        applicationId 'io.github.muntashirakon.Music'
-        versionCode 10445
-        versionName '3.5.11'
+        versionCode 10503
+        versionName '4.0.010'

        multiDexEnabled true
    }
@ -134,4 +134,6 @@ dependencies {
    implementation 'me.jorgecastillo:androidcolorx:0.2.0'
    implementation 'org.jsoup:jsoup:1.11.1'
    debugImplementation 'com.amitshekhar.android:debug-db:1.0.6'
-}
+}
+
+apply from: '../spotless.gradle'
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -26,13 +26,11 @@

 -dontwarn java.lang.invoke.*
 -dontwarn **$$Lambda$*
+-dontwarn javax.annotation.**

 # RetroFit
 -dontwarn retrofit.**
 -keep class retrofit.** { *; }
-keepattributes Signature
-keepattributes Exceptions
-dontwarn javax.annotation.**

 # Glide
 -keep public class * implements com.bumptech.glide.module.GlideModule
@ -41,14 +39,24 @@
    public *;
 }

+# OkHttp
+-keepattributes Signature
+-keepattributes *Annotation*
+-keep interface com.squareup.okhttp3.** { *; }
+-dontwarn com.squareup.okhttp3.**

-dontwarn
-ignorewarnings
+#-dontwarn
+#-ignorewarnings
+-dontshrink
+-dontobfuscate

-#-dontwarn android.support.v8.renderscript.*
-#-keepclassmembers class android.support.v8.renderscript.RenderScript {
-#  native *** rsn*(...);
-#  native *** n*(...);
-#}
+-dontwarn org.jaudiotagger.**
+-keep class org.jaudiotagger.** { *; }

-#-keep class org.jaudiotagger.** { *; }
+-keepclassmembers enum * { *; }
+-keepattributes *Annotation*, Signature, Exception
+-keepnames class androidx.navigation.fragment.NavHostFragment
+-keepnames class code.name.monkey.retromusic.model.Home
+-keep class * extends androidx.fragment.app.Fragment{}
+-keepnames class * extends android.os.Parcelable
+-keepnames class * extends java.io.Serializable
--- a/app/src/debug/res/values/styles.xml
+++ b/app/src/debug/res/values/styles.xml
@ -88,4 +88,9 @@
        <item name="android:letterSpacing">0.0125</item>
        <item name="android:textColor">?android:attr/textColorPrimary</item>
    </style>
+
+    <style name="circleImageView" parent="">
+        <item name="cornerFamily">rounded</item>
+        <item name="cornerSize">5%</item>
+    </style>
 </resources>
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -5,6 +5,7 @@
    android:installLocation="auto">

    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
@ -116,11 +117,7 @@
        <activity android:name=".activities.ShareInstagramStory" />
        <activity android:name=".activities.DriveModeActivity" />
        <activity android:name=".activities.PermissionActivity" />
-
-        <activity
-            android:name=".activities.LockScreenActivity"
-            android:noHistory="true"
-            android:showOnLockScreen="true" />
+        <activity android:name=".activities.LockScreenActivity" />

        <activity
            android:name=".appshortcuts.AppShortcutLauncherActivity"
--- a/app/src/main/assets/contributors.json
+++ b/app/src/main/assets/contributors.json
@ -3,24 +3,30 @@
    "name": "Hemanth Savarala",
    "summary": "Lead Developer & Designer",
    "link": "https://github.com/h4h13",
-    "profile_image": "https://i.imgur.com/AoVs9oj.jpg"
+    "image": "https://i.imgur.com/AoVs9oj.jpg"
  },
  {
    "name": "Lennart Glamann",
-    "summary": "Play Store banner and Images",
+    "summary": "Play Store Banner & Images",
    "link": "https://t.me/FlixbusLennart",
-    "profile_image": "https://i.imgur.com/Q5Nsx1R.jpg"
+    "image": "https://i.imgur.com/Q5Nsx1R.jpg"
  },
  {
    "name": "Daksh P. Jain",
    "summary": "Support Representative & Moderator",
    "link": "https://daksh.eu.org",
-    "profile_image": "https://i.imgur.com/fnYpg65.jpg"
+    "image": "https://i.imgur.com/fnYpg65.jpg"
  },
  {
    "name": "Milind Goel",
    "summary": "Support Representative & Moderator",
    "link": "https://t.me/MilindGoel15",
-    "profile_image": "https://i.imgur.com/Bz4De21_d.jpg"
+    "image": "https://i.imgur.com/Bz4De21_d.jpg"
+  },
+{
+    "name": "Haythem Gataa",
+    "summary": "App Logo Designer",
+    "link": "https://dribbble.com/haythemgataa",
+    "image": "https://i.imgur.com/g5RuIZq.jpg"
  }
 ]
--- a/app/src/main/ic_launcher-playstore.png
+++ b/app/src/main/ic_launcher-playstore.png
--- a/app/src/main/java/io/github/muntashirakon/music/App.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/App.kt
@ -1,17 +1,16 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 */
-
 package io.github.muntashirakon.music

 import androidx.multidex.MultiDexApplication
--- a/app/src/main/java/io/github/muntashirakon/music/Constants.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/Constants.kt
@ -1,17 +1,16 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 */
-
 package io.github.muntashirakon.music

 import android.provider.BaseColumns
@ -46,9 +45,9 @@ object Constants {
        MediaStore.Audio.AudioColumns.ALBUM_ID, // 7
        MediaStore.Audio.AudioColumns.ALBUM, // 8
        MediaStore.Audio.AudioColumns.ARTIST_ID, // 9
-        MediaStore.Audio.AudioColumns.ARTIST,// 10
-        MediaStore.Audio.AudioColumns.COMPOSER,// 11
-        "album_artist"//12
+        MediaStore.Audio.AudioColumns.ARTIST, // 10
+        MediaStore.Audio.AudioColumns.COMPOSER, // 11
+        "album_artist" // 12
    )
    const val NUMBER_OF_TOP_TRACKS = 99
 }
@ -76,6 +75,8 @@ const val BLURRED_ALBUM_ART = "blurred_album_art"
 const val NEW_BLUR_AMOUNT = "new_blur_amount"
 const val TOGGLE_HEADSET = "toggle_headset"
 const val GENERAL_THEME = "general_theme"
+const val ACCENT_COLOR = "accent_color"
+const val SHOULD_COLOR_APP_SHORTCUTS = "should_color_app_shortcuts"
 const val CIRCULAR_ALBUM_ART = "circular_album_art"
 const val USER_NAME = "user_name"
 const val TOGGLE_FULL_SCREEN = "toggle_full_screen"
@ -87,6 +88,7 @@ const val BANNER_IMAGE_PATH = "banner_image_path"
 const val ADAPTIVE_COLOR_APP = "adaptive_color_app"
 const val TOGGLE_SEPARATE_LINE = "toggle_separate_line"
 const val HOME_ARTIST_GRID_STYLE = "home_artist_grid_style"
+const val HOME_ALBUM_GRID_STYLE = "home_album_grid_style"
 const val TOGGLE_ADD_CONTROLS = "toggle_add_controls"
 const val ALBUM_COVER_STYLE = "album_cover_style_id"
 const val ALBUM_COVER_TRANSFORM = "album_cover_transform"
@ -105,6 +107,7 @@ const val INITIALIZED_BLACKLIST = "initialized_blacklist"
 const val ARTIST_SORT_ORDER = "artist_sort_order"
 const val ARTIST_ALBUM_SORT_ORDER = "artist_album_sort_order"
 const val ALBUM_SORT_ORDER = "album_sort_order"
+const val PLAYLIST_SORT_ORDER = "playlist_sort_order"
 const val ALBUM_SONG_SORT_ORDER = "album_song_sort_order"
 const val ARTIST_SONG_SORT_ORDER = "artist_song_sort_order"
 const val ALBUM_GRID_SIZE = "album_grid_size"
@ -123,9 +126,11 @@ const val AUTO_DOWNLOAD_IMAGES_POLICY = "auto_download_images_policy"
 const val START_DIRECTORY = "start_directory"
 const val RECENTLY_PLAYED_CUTOFF = "recently_played_interval"
 const val LOCK_SCREEN = "lock_screen"
+const val ALBUM_ARTISTS_ONLY = "album_artists_only"
 const val ALBUM_DETAIL_SONG_SORT_ORDER = "album_detail_song_sort_order"
 const val LYRICS_OPTIONS = "lyrics_tab_position"
 const val CHOOSE_EQUALIZER = "choose_equalizer"
+const val EQUALIZER = "equalizer"
 const val TOGGLE_SHUFFLE = "toggle_shuffle"
 const val SONG_GRID_STYLE = "song_grid_style"
 const val PAUSE_ON_ZERO_VOLUME = "pause_on_zero_volume"
--- a/app/src/main/java/io/github/muntashirakon/music/HomeSection.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/HomeSection.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music

 import androidx.annotation.IntDef
@ -25,4 +39,4 @@ const val GENRES = 6
 const val PLAYLISTS = 7
 const val HISTORY_PLAYLIST = 8
 const val LAST_ADDED_PLAYLIST = 9
-const val TOP_PLAYED_PLAYLIST = 10
+const val TOP_PLAYED_PLAYLIST = 10
--- a/app/src/main/java/io/github/muntashirakon/music/LanguageContextWrapper.java
+++ b/app/src/main/java/io/github/muntashirakon/music/LanguageContextWrapper.java
@ -5,39 +5,37 @@ import android.content.ContextWrapper;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.os.LocaleList;
-
-import java.util.Locale;
-
 import code.name.monkey.appthemehelper.util.VersionUtils;
+import java.util.Locale;

 public class LanguageContextWrapper extends ContextWrapper {

-    public LanguageContextWrapper(Context base) {
-        super(base);
+  public LanguageContextWrapper(Context base) {
+    super(base);
+  }
+
+  public static LanguageContextWrapper wrap(Context context, Locale newLocale) {
+    Resources res = context.getResources();
+    Configuration configuration = res.getConfiguration();
+
+    if (VersionUtils.INSTANCE.hasNougatMR()) {
+      configuration.setLocale(newLocale);
+
+      LocaleList localeList = new LocaleList(newLocale);
+      LocaleList.setDefault(localeList);
+      configuration.setLocales(localeList);
+
+      context = context.createConfigurationContext(configuration);
+
+    } else if (VersionUtils.INSTANCE.hasLollipop()) {
+      configuration.setLocale(newLocale);
+      context = context.createConfigurationContext(configuration);
+
+    } else {
+      configuration.locale = newLocale;
+      res.updateConfiguration(configuration, res.getDisplayMetrics());
    }

-    public static LanguageContextWrapper wrap(Context context, Locale newLocale) {
-        Resources res = context.getResources();
-        Configuration configuration = res.getConfiguration();
-
-        if (VersionUtils.INSTANCE.hasNougatMR()) {
-            configuration.setLocale(newLocale);
-
-            LocaleList localeList = new LocaleList(newLocale);
-            LocaleList.setDefault(localeList);
-            configuration.setLocales(localeList);
-
-            context = context.createConfigurationContext(configuration);
-
-        } else if (VersionUtils.INSTANCE.hasLollipop()) {
-            configuration.setLocale(newLocale);
-            context = context.createConfigurationContext(configuration);
-
-        } else {
-            configuration.locale = newLocale;
-            res.updateConfiguration(configuration, res.getDisplayMetrics());
-        }
-
-        return new LanguageContextWrapper(context);
-    }
-}
+    return new LanguageContextWrapper(context);
+  }
+}
--- a/app/src/main/java/io/github/muntashirakon/music/MainModule.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/MainModule.kt
@ -12,9 +12,11 @@ import io.github.muntashirakon.music.fragments.albums.AlbumDetailsViewModel
 import io.github.muntashirakon.music.fragments.artists.ArtistDetailsViewModel
 import io.github.muntashirakon.music.fragments.genres.GenreDetailsViewModel
 import io.github.muntashirakon.music.fragments.playlists.PlaylistDetailsViewModel
-import io.github.muntashirakon.music.fragments.search.SearchViewModel
 import io.github.muntashirakon.music.model.Genre
-import io.github.muntashirakon.music.network.*
+import io.github.muntashirakon.music.network.provideDefaultCache
+import io.github.muntashirakon.music.network.provideLastFmRest
+import io.github.muntashirakon.music.network.provideLastFmRetrofit
+import io.github.muntashirakon.music.network.provideOkHttp
 import io.github.muntashirakon.music.repository.*
 import io.github.muntashirakon.music.util.FilePathUtil
 import kotlinx.coroutines.Dispatchers.IO
@ -36,15 +38,9 @@ val networkModule = module {
    single {
        provideLastFmRetrofit(get())
    }
-    single {
-        provideDeezerRest(get())
-    }
    single {
        provideLastFmRest(get())
    }
-    single {
-        provideLyrics(get())
-    }
 }

 private val roomModule = module {
@ -93,7 +89,6 @@ private val mainModule = module {
    single {
        androidContext().contentResolver
    }
-
 }
 private val dataModule = module {
    single {
@ -109,7 +104,7 @@ private val dataModule = module {
            get(),
            get(),
            get(),
-            get()
+            get(),
        )
    } bind Repository::class

@ -154,6 +149,9 @@ private val dataModule = module {
            get()
        )
    }
+    single {
+        RealLocalDataRepository(get())
+    } bind LocalDataRepository::class
 }

 private val viewModules = module {
@ -189,10 +187,6 @@ private val viewModules = module {
            genre
        )
    }
-
-    viewModel {
-        SearchViewModel(get())
-    }
 }

 val appModules = listOf(mainModule, dataModule, viewModules, networkModule, roomModule)
--- a/app/src/main/java/io/github/muntashirakon/music/RetroBottomSheetBehavior.java
+++ b/app/src/main/java/io/github/muntashirakon/music/RetroBottomSheetBehavior.java
@ -4,36 +4,32 @@ import android.content.Context;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
-
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
-
 import com.google.android.material.bottomsheet.BottomSheetBehavior;
-
 import org.jetbrains.annotations.NotNull;

-
 public class RetroBottomSheetBehavior<V extends View> extends BottomSheetBehavior<V> {

-    private static final String TAG = "RetroBottomSheetBehavior";
+  private static final String TAG = "RetroBottomSheetBehavior";

-    private boolean allowDragging = true;
+  private boolean allowDragging = true;

-    public RetroBottomSheetBehavior() {
+  public RetroBottomSheetBehavior() {}
+
+  public RetroBottomSheetBehavior(Context context, AttributeSet attrs) {
+    super(context, attrs);
+  }
+
+  public void setAllowDragging(boolean allowDragging) {
+    this.allowDragging = allowDragging;
+  }
+
+  @Override
+  public boolean onInterceptTouchEvent(
+      @NotNull CoordinatorLayout parent, @NotNull V child, @NotNull MotionEvent event) {
+    if (!allowDragging) {
+      return false;
    }
-
-    public RetroBottomSheetBehavior(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public void setAllowDragging(boolean allowDragging) {
-        this.allowDragging = allowDragging;
-    }
-
-    @Override
-    public boolean onInterceptTouchEvent(@NotNull CoordinatorLayout parent, @NotNull V child, @NotNull MotionEvent event) {
-        if (!allowDragging) {
-            return false;
-        }
-        return super.onInterceptTouchEvent(parent, child, event);
-    }
-}
+    return super.onInterceptTouchEvent(parent, child, event);
+  }
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/DriveModeActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/DriveModeActivity.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2020 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.activities

 import android.animation.ObjectAnimator
@ -234,4 +234,4 @@ class DriveModeActivity : AbsMusicServiceActivity(), Callback {
        songTotalTime.text = MusicUtil.getReadableDurationString(total.toLong())
        songCurrentProgress.text = MusicUtil.getReadableDurationString(progress.toLong())
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/LicenseActivity.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/LicenseActivity.java
@ -18,82 +18,86 @@ import android.graphics.Color;
 import android.os.Bundle;
 import android.view.MenuItem;
 import android.webkit.WebView;
-
 import androidx.annotation.NonNull;
 import androidx.appcompat.widget.Toolbar;
-
-import org.jetbrains.annotations.Nullable;
-
-import java.io.BufferedReader;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
-
 import code.name.monkey.appthemehelper.ThemeStore;
 import code.name.monkey.appthemehelper.util.ATHUtil;
 import code.name.monkey.appthemehelper.util.ColorUtil;
 import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper;
 import io.github.muntashirakon.music.R;
 import io.github.muntashirakon.music.activities.base.AbsBaseActivity;
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import org.jetbrains.annotations.Nullable;

-/**
- * Created by hemanths on 2019-09-27.
- */
+/** Created by hemanths on 2019-09-27. */
 public class LicenseActivity extends AbsBaseActivity {

-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        setDrawUnderStatusBar();
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_license);
-        setStatusbarColorAuto();
-        setNavigationbarColorAuto();
-        setLightNavigationBar(true);
-        Toolbar toolbar = findViewById(R.id.toolbar);
-        setSupportActionBar(toolbar);
-        ToolbarContentTintHelper.colorBackButton(toolbar);
-        toolbar.setBackgroundColor(ATHUtil.INSTANCE.resolveColor(this, R.attr.colorSurface));
-        WebView webView = findViewById(R.id.license);
-        try {
-            StringBuilder buf = new StringBuilder();
-            InputStream json = getAssets().open("oldindex.html");
-            BufferedReader in = new BufferedReader(new InputStreamReader(json, StandardCharsets.UTF_8));
-            String str;
-            while ((str = in.readLine()) != null) {
-                buf.append(str);
-            }
-            in.close();
+  @Override
+  protected void onCreate(@Nullable Bundle savedInstanceState) {
+    setDrawUnderStatusBar();
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_license);
+    setStatusbarColorAuto();
+    setNavigationbarColorAuto();
+    setLightNavigationBar(true);
+    Toolbar toolbar = findViewById(R.id.toolbar);
+    setSupportActionBar(toolbar);
+    ToolbarContentTintHelper.colorBackButton(toolbar);
+    toolbar.setBackgroundColor(ATHUtil.INSTANCE.resolveColor(this, R.attr.colorSurface));
+    WebView webView = findViewById(R.id.license);
+    try {
+      StringBuilder buf = new StringBuilder();
+      InputStream json = getAssets().open("oldindex.html");
+      BufferedReader in = new BufferedReader(new InputStreamReader(json, StandardCharsets.UTF_8));
+      String str;
+      while ((str = in.readLine()) != null) {
+        buf.append(str);
+      }
+      in.close();

-            // Inject color values for WebView body background and links
-            final boolean isDark = ATHUtil.INSTANCE.isWindowBackgroundDark(this);
-            final String backgroundColor = colorToCSS(ATHUtil.INSTANCE.resolveColor(this, R.attr.colorSurface,
-                    Color.parseColor(isDark ? "#424242" : "#ffffff")));
-            final String contentColor = colorToCSS(Color.parseColor(isDark ? "#ffffff" : "#000000"));
-            final String changeLog = buf.toString()
-                    .replace("{style-placeholder}",
-                            String.format("body { background-color: %s; color: %s; }", backgroundColor, contentColor))
-                    .replace("{link-color}", colorToCSS(ThemeStore.Companion.accentColor(this)))
-                    .replace("{link-color-active}",
-                            colorToCSS(ColorUtil.INSTANCE.lightenColor(ThemeStore.Companion.accentColor(this))));
-
-            webView.loadData(changeLog, "text/html", "UTF-8");
-        } catch (Throwable e) {
-            webView.loadData("<h1>Unable to load</h1><p>" + e.getLocalizedMessage() + "</p>", "text/html", "UTF-8");
-        }
+      // Inject color values for WebView body background and links
+      final boolean isDark = ATHUtil.INSTANCE.isWindowBackgroundDark(this);
+      final String backgroundColor =
+          colorToCSS(
+              ATHUtil.INSTANCE.resolveColor(
+                  this, R.attr.colorSurface, Color.parseColor(isDark ? "#424242" : "#ffffff")));
+      final String contentColor = colorToCSS(Color.parseColor(isDark ? "#ffffff" : "#000000"));
+      final String changeLog =
+          buf.toString()
+              .replace(
+                  "{style-placeholder}",
+                  String.format(
+                      "body { background-color: %s; color: %s; }", backgroundColor, contentColor))
+              .replace("{link-color}", colorToCSS(ThemeStore.Companion.accentColor(this)))
+              .replace(
+                  "{link-color-active}",
+                  colorToCSS(
+                      ColorUtil.INSTANCE.lightenColor(ThemeStore.Companion.accentColor(this))));

+      webView.loadData(changeLog, "text/html", "UTF-8");
+    } catch (Throwable e) {
+      webView.loadData(
+          "<h1>Unable to load</h1><p>" + e.getLocalizedMessage() + "</p>", "text/html", "UTF-8");
    }
+  }

-    @Override
-    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
-        if (item.getItemId() == android.R.id.home) {
-            onBackPressed();
-            return true;
-        }
-        return super.onOptionsItemSelected(item);
+  @Override
+  public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+    if (item.getItemId() == android.R.id.home) {
+      onBackPressed();
+      return true;
    }
+    return super.onOptionsItemSelected(item);
+  }

-    private String colorToCSS(int color) {
-        return String.format("rgb(%d, %d, %d)", Color.red(color), Color.green(color),
-                Color.blue(color)); // on API 29, WebView doesn't load with hex colors
-    }
+  private String colorToCSS(int color) {
+    return String.format(
+        "rgb(%d, %d, %d)",
+        Color.red(color),
+        Color.green(color),
+        Color.blue(color)); // on API 29, WebView doesn't load with hex colors
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/LockScreenActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/LockScreenActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities

 import android.app.KeyguardManager
@ -9,7 +23,8 @@ import android.view.WindowManager
 import androidx.core.view.ViewCompat
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.activities.base.AbsMusicServiceActivity
-import io.github.muntashirakon.music.fragments.player.lockscreen.LockScreenPlayerControlsFragment
+import io.github.muntashirakon.music.extensions.whichFragment
+import io.github.muntashirakon.music.fragments.player.lockscreen.LockScreenControlsFragment
 import io.github.muntashirakon.music.glide.RetroMusicColoredTarget
 import io.github.muntashirakon.music.glide.SongGlideRequest
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
@ -22,21 +37,12 @@ import com.r0adkll.slidr.model.SlidrPosition
 import kotlinx.android.synthetic.main.activity_lock_screen.*

 class LockScreenActivity : AbsMusicServiceActivity() {
-    private var fragment: LockScreenPlayerControlsFragment? = null
+    private var fragment: LockScreenControlsFragment? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        setDrawUnderStatusBar()
        super.onCreate(savedInstanceState)
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
-            setShowWhenLocked(true)
-            setTurnScreenOn(true)
-        } else {
-            this.window.addFlags(
-                WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD or
-                        WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED or
-                        WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
-            )
-        }
+        lockScreenInit()
        setContentView(R.layout.activity_lock_screen)
        hideStatusBar()
        setStatusbarColorAuto()
@ -67,8 +73,7 @@ class LockScreenActivity : AbsMusicServiceActivity() {

        Slidr.attach(this, config)

-        fragment =
-            supportFragmentManager.findFragmentById(R.id.playback_controls_fragment) as LockScreenPlayerControlsFragment?
+        fragment = whichFragment<LockScreenControlsFragment>(R.id.playback_controls_fragment)

        findViewById<View>(R.id.slide).apply {
            translationY = 100f
@ -77,6 +82,19 @@ class LockScreenActivity : AbsMusicServiceActivity() {
        }
    }

+    private fun lockScreenInit() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
+            setShowWhenLocked(true)
+            val keyguardManager: KeyguardManager = getSystemService(KeyguardManager::class.java)
+            keyguardManager.requestDismissKeyguard(this, null)
+        } else {
+            this.window.addFlags(
+                WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD or
+                        WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
+            )
+        }
+    }
+
    override fun onPlayingMetaChanged() {
        super.onPlayingMetaChanged()
        updateSongs()
@ -97,4 +115,4 @@ class LockScreenActivity : AbsMusicServiceActivity() {
                }
            })
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/LyricsActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/LyricsActivity.kt
@ -1,9 +1,25 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities

 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.view.WindowManager
+import androidx.core.view.ViewCompat
+import androidx.interpolator.view.animation.FastOutSlowInInterpolator
 import code.name.monkey.appthemehelper.ThemeStore
 import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper
 import io.github.muntashirakon.music.R
@ -15,6 +31,10 @@ import io.github.muntashirakon.music.lyrics.LrcView
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.util.LyricUtil
 import io.github.muntashirakon.music.util.RetroUtil
+import com.google.android.material.color.MaterialColors
+import com.google.android.material.transition.platform.MaterialArcMotion
+import com.google.android.material.transition.platform.MaterialContainerTransform
+import com.google.android.material.transition.platform.MaterialContainerTransformSharedElementCallback
 import kotlinx.android.synthetic.main.activity_lyrics.*

 class LyricsActivity : AbsMusicServiceActivity(), MusicProgressViewUpdateHelper.Callback {
@ -31,9 +51,20 @@ class LyricsActivity : AbsMusicServiceActivity(), MusicProgressViewUpdateHelper.
            return baseUrl
        }

+    private fun buildContainerTransform(): MaterialContainerTransform {
+        val transform = MaterialContainerTransform()
+        transform.setAllContainerColors(
+            MaterialColors.getColor(findViewById(R.id.container), R.attr.colorSurface)
+        )
+        transform.addTarget(R.id.container)
+        transform.duration = 300
+        return transform
+    }
+
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_lyrics)
+        ViewCompat.setTransitionName(container, "lyrics")
        setStatusbarColorAuto()
        setTaskDescriptionColorAuto()
        setNavigationbarColorAuto()
@ -122,4 +153,4 @@ class LyricsActivity : AbsMusicServiceActivity(), MusicProgressViewUpdateHelper.
        }
        return super.onOptionsItemSelected(item)
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/MainActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/MainActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities

 import android.content.Intent
@ -8,17 +22,45 @@ import android.os.Bundle
 import android.provider.MediaStore
 import android.view.View
 import androidx.lifecycle.lifecycleScope
-import io.github.muntashirakon.music.*
+import androidx.navigation.ui.NavigationUI
+import io.github.muntashirakon.music.ADAPTIVE_COLOR_APP
+import io.github.muntashirakon.music.ALBUM_COVER_STYLE
+import io.github.muntashirakon.music.ALBUM_COVER_TRANSFORM
+import io.github.muntashirakon.music.BANNER_IMAGE_PATH
+import io.github.muntashirakon.music.BLACK_THEME
+import io.github.muntashirakon.music.CAROUSEL_EFFECT
+import io.github.muntashirakon.music.CIRCULAR_ALBUM_ART
+import io.github.muntashirakon.music.DESATURATED_COLOR
+import io.github.muntashirakon.music.EXTRA_SONG_INFO
+import io.github.muntashirakon.music.GENERAL_THEME
+import io.github.muntashirakon.music.HOME_ARTIST_GRID_STYLE
+import io.github.muntashirakon.music.KEEP_SCREEN_ON
+import io.github.muntashirakon.music.LANGUAGE_NAME
+import io.github.muntashirakon.music.LIBRARY_CATEGORIES
+import io.github.muntashirakon.music.NOW_PLAYING_SCREEN_ID
+import io.github.muntashirakon.music.PROFILE_IMAGE_PATH
+import io.github.muntashirakon.music.R
+import io.github.muntashirakon.music.ROUND_CORNERS
+import io.github.muntashirakon.music.TAB_TEXT_MODE
+import io.github.muntashirakon.music.TOGGLE_ADD_CONTROLS
+import io.github.muntashirakon.music.TOGGLE_FULL_SCREEN
+import io.github.muntashirakon.music.TOGGLE_GENRE
+import io.github.muntashirakon.music.TOGGLE_HOME_BANNER
+import io.github.muntashirakon.music.TOGGLE_SEPARATE_LINE
+import io.github.muntashirakon.music.TOGGLE_VOLUME
+import io.github.muntashirakon.music.USER_NAME
 import io.github.muntashirakon.music.activities.base.AbsSlidingMusicPanelActivity
 import io.github.muntashirakon.music.extensions.findNavController
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
 import io.github.muntashirakon.music.helper.SearchQueryHelper.getSongs
+import io.github.muntashirakon.music.model.CategoryInfo
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.repository.PlaylistSongsLoader
 import io.github.muntashirakon.music.service.MusicService
 import io.github.muntashirakon.music.util.PreferenceUtil
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.launch
+import org.koin.android.ext.android.get

 class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeListener {
    companion object {
@ -28,21 +70,43 @@ class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeLis
    }

    override fun createContentView(): View {
-        return wrapSlidingMusicPanel(R.layout.activity_main_content)
+        return wrapSlidingMusicPanel()
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        setDrawUnderStatusBar()
        super.onCreate(savedInstanceState)
-        if (!hasPermissions()) {
-            findNavController(R.id.fragment_container).navigate(R.id.permissionFragment)
-        }
        setStatusbarColorAuto()
        setNavigationbarColorAuto()
        setLightNavigationBar(true)
        setTaskDescriptionColorAuto()
        hideStatusBar()
        updateTabs()
+
+        // NavigationUI.setupWithNavController(getBottomNavigationView(), findNavController(R.id.fragment_container))
+        setupNavigationController()
+        if (!hasPermissions()) {
+            findNavController(R.id.fragment_container).navigate(R.id.permissionFragment)
+        }
+
+        showPromotionalDialog()
+    }
+
+    private fun showPromotionalDialog() {
+
+    }
+
+    private fun setupNavigationController() {
+        val navController = findNavController(R.id.fragment_container)
+        val navInflater = navController.navInflater
+        val navGraph = navInflater.inflate(R.navigation.main_graph)
+
+        val categoryInfo: CategoryInfo = PreferenceUtil.libraryCategory.first { it.visible }
+        if (categoryInfo.visible) {
+            navGraph.startDestination = categoryInfo.category.id
+        }
+        navController.graph = navGraph
+        NavigationUI.setupWithNavController(getBottomNavigationView(), navController)
    }

    override fun onSupportNavigateUp(): Boolean =
@ -98,8 +162,7 @@ class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeLis
                val id = parseLongFromIntent(intent, "playlistId", "playlist")
                if (id >= 0L) {
                    val position: Int = intent.getIntExtra("position", 0)
-                    val songs: List<Song> =
-                        PlaylistSongsLoader.getPlaylistSongList(this@MainActivity, id)
+                    val songs: List<Song> = PlaylistSongsLoader.getPlaylistSongList(get(), id)
                    MusicPlayerRemote.openQueue(songs, position, true)
                    handled = true
                }
@ -107,8 +170,9 @@ class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeLis
                val id = parseLongFromIntent(intent, "albumId", "album")
                if (id >= 0L) {
                    val position: Int = intent.getIntExtra("position", 0)
+                    val songs = libraryViewModel.albumById(id).songs
                    MusicPlayerRemote.openQueue(
-                        libraryViewModel.albumById(id).songs,
+                        songs,
                        position,
                        true
                    )
@ -118,8 +182,9 @@ class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeLis
                val id = parseLongFromIntent(intent, "artistId", "artist")
                if (id >= 0L) {
                    val position: Int = intent.getIntExtra("position", 0)
+                    val songs: List<Song> = libraryViewModel.artistById(id).songs
                    MusicPlayerRemote.openQueue(
-                        libraryViewModel.artistById(id).songs,
+                        songs,
                        position,
                        true
                    )
@ -130,11 +195,11 @@ class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeLis
                setIntent(Intent())
            }
        }
-
    }

    private fun parseLongFromIntent(
-        intent: Intent, longKey: String,
+        intent: Intent,
+        longKey: String,
        stringKey: String
    ): Long {
        var id = intent.getLongExtra(longKey, -1)
@ -150,4 +215,4 @@ class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeLis
        }
        return id
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/PermissionActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/PermissionActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities

 import android.content.Intent
@ -13,7 +27,6 @@ import io.github.muntashirakon.music.extensions.show
 import io.github.muntashirakon.music.util.RingtoneManager
 import kotlinx.android.synthetic.main.activity_permission.*

-
 class PermissionActivity : AbsMusicServiceActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
@ -37,7 +50,7 @@ class PermissionActivity : AbsMusicServiceActivity() {
        }
        finish.accentBackgroundColor()
        finish.setOnClickListener {
-            if (hasPermissions() && !RingtoneManager.requiresDialog(this)) {
+            if (hasPermissions()) {
                startActivity(
                    Intent(this, MainActivity::class.java).addFlags(
                        Intent.FLAG_ACTIVITY_NEW_TASK or
@ -56,4 +69,4 @@ class PermissionActivity : AbsMusicServiceActivity() {
        )
        appNameText.text = appName
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/PlayingQueueActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/PlayingQueueActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities

 import android.content.res.ColorStateList
--- a/app/src/main/java/io/github/muntashirakon/music/activities/SettingsActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/SettingsActivity.kt
@ -1,8 +1,23 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities

 import android.os.Bundle
 import android.view.MenuItem
 import androidx.navigation.NavController
+import androidx.navigation.NavDestination
 import code.name.monkey.appthemehelper.ThemeStore
 import code.name.monkey.appthemehelper.util.VersionUtils
 import com.afollestad.materialdialogs.color.ColorChooserDialog
@ -29,10 +44,26 @@ class SettingsActivity : AbsBaseActivity(), ColorChooserDialog.ColorCallback {
        applyToolbar(toolbar)
        val navController: NavController = findNavController(R.id.contentFrame)
        navController.addOnDestinationChangedListener { _, _, _ ->
-            toolbar.title = navController.currentDestination?.label
+            toolbar.title = navController.currentDestination?.let { getStringFromDestination(it) }
        }
    }

+    private fun getStringFromDestination(currentDestination: NavDestination): String {
+        val idRes = when (currentDestination.id) {
+            R.id.mainSettingsFragment -> R.string.action_settings
+            R.id.audioSettings -> R.string.pref_header_audio
+            R.id.imageSettingFragment -> R.string.pref_header_images
+            R.id.notificationSettingsFragment -> R.string.notification
+            R.id.nowPlayingSettingsFragment -> R.string.now_playing
+            R.id.otherSettingsFragment -> R.string.others
+            R.id.personalizeSettingsFragment -> R.string.personalize
+            R.id.themeSettingsFragment -> R.string.general_settings_title
+            R.id.aboutActivity -> R.string.action_about
+            else -> R.id.action_settings
+        }
+        return getString(idRes)
+    }
+
    override fun onSupportNavigateUp(): Boolean {
        return findNavController(R.id.contentFrame).navigateUp() || super.onSupportNavigateUp()
    }
@ -49,7 +80,6 @@ class SettingsActivity : AbsBaseActivity(), ColorChooserDialog.ColorCallback {
    }

    override fun onColorChooserDismissed(dialog: ColorChooserDialog) {
-
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
@ -58,4 +88,4 @@ class SettingsActivity : AbsBaseActivity(), ColorChooserDialog.ColorCallback {
        }
        return super.onOptionsItemSelected(item)
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/ShareInstagramStory.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/ShareInstagramStory.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2020 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.activities

 import android.content.res.ColorStateList
--- a/app/src/main/java/io/github/muntashirakon/music/activities/UserInfoActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/UserInfoActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities

 import android.app.Activity
@ -11,12 +25,6 @@ import android.view.MenuItem
 import android.widget.Toast
 import code.name.monkey.appthemehelper.util.ColorUtil
 import code.name.monkey.appthemehelper.util.MaterialValueHelper
-import com.bumptech.glide.Glide
-import com.bumptech.glide.load.engine.DiskCacheStrategy
-import com.bumptech.glide.request.RequestListener
-import com.bumptech.glide.request.target.Target
-import com.github.dhaval2404.imagepicker.ImagePicker
-import com.github.dhaval2404.imagepicker.constant.ImageProvider
 import io.github.muntashirakon.music.Constants.USER_BANNER
 import io.github.muntashirakon.music.Constants.USER_PROFILE
 import io.github.muntashirakon.music.R
@ -27,15 +35,21 @@ import io.github.muntashirakon.music.glide.ProfileBannerGlideRequest
 import io.github.muntashirakon.music.glide.UserProfileGlideRequest
 import io.github.muntashirakon.music.util.ImageUtil
 import io.github.muntashirakon.music.util.PreferenceUtil
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import com.bumptech.glide.request.RequestListener
+import com.bumptech.glide.request.target.Target
+import com.github.dhaval2404.imagepicker.ImagePicker
+import com.github.dhaval2404.imagepicker.constant.ImageProvider
+import java.io.BufferedOutputStream
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
 import kotlinx.android.synthetic.main.activity_user_info.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
-import java.io.BufferedOutputStream
-import java.io.File
-import java.io.FileOutputStream
-import java.io.IOException

 class UserInfoActivity : AbsBaseActivity() {

@ -55,7 +69,7 @@ class UserInfoActivity : AbsBaseActivity() {
            pickNewPhoto()
        }

-        bannerSelect.setOnClickListener {
+        bannerImage.setOnClickListener {
            selectBannerImage()
        }

@ -114,7 +128,6 @@ class UserInfoActivity : AbsBaseActivity() {
            .start(PICK_IMAGE_REQUEST)
    }

-
    public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)
        if (resultCode == Activity.RESULT_OK && requestCode == PICK_IMAGE_REQUEST) {
@ -209,9 +222,8 @@ class UserInfoActivity : AbsBaseActivity() {
            .into(userImage)
    }

-
    companion object {
        private const val PICK_IMAGE_REQUEST = 9002
        private const val PICK_BANNER_REQUEST = 9004
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/WhatsNewActivity.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/WhatsNewActivity.java
@ -1,23 +1,14 @@
 package io.github.muntashirakon.music.activities;

-
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.webkit.WebView;
-
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.Toolbar;
-
-import java.io.BufferedReader;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
-import java.util.Locale;
-
 import code.name.monkey.appthemehelper.ThemeStore;
 import code.name.monkey.appthemehelper.util.ATHUtil;
 import code.name.monkey.appthemehelper.util.ColorUtil;
@ -26,65 +17,95 @@ import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper;
 import io.github.muntashirakon.music.R;
 import io.github.muntashirakon.music.activities.base.AbsBaseActivity;
 import io.github.muntashirakon.music.util.PreferenceUtil;
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.Locale;

 public class WhatsNewActivity extends AbsBaseActivity {

-    private static String colorToCSS(int color) {
-        return String.format(Locale.getDefault(), "rgba(%d, %d, %d, %d)", Color.red(color), Color.green(color),
-                Color.blue(color), Color.alpha(color)); // on API 29, WebView doesn't load with hex colors
+  private static String colorToCSS(int color) {
+    return String.format(
+        Locale.getDefault(),
+        "rgba(%d, %d, %d, %d)",
+        Color.red(color),
+        Color.green(color),
+        Color.blue(color),
+        Color.alpha(color)); // on API 29, WebView doesn't load with hex colors
+  }
+
+  private static void setChangelogRead(@NonNull Context context) {
+    try {
+      PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
+      int currentVersion = pInfo.versionCode;
+      PreferenceUtil.INSTANCE.setLastVersion(currentVersion);
+    } catch (PackageManager.NameNotFoundException e) {
+      e.printStackTrace();
    }
+  }

-    private static void setChangelogRead(@NonNull Context context) {
-        try {
-            PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
-            int currentVersion = pInfo.versionCode;
-            PreferenceUtil.INSTANCE.setLastVersion(currentVersion);
-        } catch (PackageManager.NameNotFoundException e) {
-            e.printStackTrace();
-        }
+  @Override
+  protected void onCreate(@Nullable Bundle savedInstanceState) {
+    setDrawUnderStatusBar();
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_whats_new);
+    setStatusbarColorAuto();
+    setNavigationbarColorAuto();
+    setTaskDescriptionColorAuto();
+
+    WebView webView = findViewById(R.id.webView);
+    Toolbar toolbar = findViewById(R.id.toolbar);
+    toolbar.setBackgroundColor(ATHUtil.INSTANCE.resolveColor(this, R.attr.colorSurface));
+    toolbar.setNavigationOnClickListener(v -> onBackPressed());
+    ToolbarContentTintHelper.colorBackButton(toolbar);
+
+    try {
+      StringBuilder buf = new StringBuilder();
+      InputStream json = getAssets().open("retro-changelog.html");
+      BufferedReader in = new BufferedReader(new InputStreamReader(json, StandardCharsets.UTF_8));
+      String str;
+      while ((str = in.readLine()) != null) {
+        buf.append(str);
+      }
+      in.close();
+
+      // Inject color values for WebView body background and links
+      final boolean isDark = ATHUtil.INSTANCE.isWindowBackgroundDark(this);
+      final int accentColor = ThemeStore.Companion.accentColor(this);
+      final String backgroundColor =
+          colorToCSS(
+              ATHUtil.INSTANCE.resolveColor(
+                  this, R.attr.colorSurface, Color.parseColor(isDark ? "#424242" : "#ffffff")));
+      final String contentColor = colorToCSS(Color.parseColor(isDark ? "#ffffff" : "#000000"));
+      final String textColor = colorToCSS(Color.parseColor(isDark ? "#60FFFFFF" : "#80000000"));
+      final String accentColorString = colorToCSS(ThemeStore.Companion.accentColor(this));
+      final String accentTextColor =
+          colorToCSS(
+              MaterialValueHelper.getPrimaryTextColor(
+                  this, ColorUtil.INSTANCE.isColorLight(accentColor)));
+      final String changeLog =
+          buf.toString()
+              .replace(
+                  "{style-placeholder}",
+                  String.format(
+                      "body { background-color: %s; color: %s; } li {color: %s;} .colorHeader {background-color: %s; color: %s;} .tag {color: %s;}",
+                      backgroundColor,
+                      contentColor,
+                      textColor,
+                      accentColorString,
+                      accentTextColor,
+                      accentColorString))
+              .replace("{link-color}", colorToCSS(ThemeStore.Companion.accentColor(this)))
+              .replace(
+                  "{link-color-active}",
+                  colorToCSS(
+                      ColorUtil.INSTANCE.lightenColor(ThemeStore.Companion.accentColor(this))));
+      webView.loadData(changeLog, "text/html", "UTF-8");
+    } catch (Throwable e) {
+      webView.loadData(
+          "<h1>Unable to load</h1><p>" + e.getLocalizedMessage() + "</p>", "text/html", "UTF-8");
    }
-
-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        setDrawUnderStatusBar();
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_whats_new);
-        setStatusbarColorAuto();
-        setNavigationbarColorAuto();
-        setTaskDescriptionColorAuto();
-
-        WebView webView = findViewById(R.id.webView);
-        Toolbar toolbar = findViewById(R.id.toolbar);
-        toolbar.setBackgroundColor(ATHUtil.INSTANCE.resolveColor(this, R.attr.colorSurface));
-        toolbar.setNavigationOnClickListener(v -> onBackPressed());
-        ToolbarContentTintHelper.colorBackButton(toolbar);
-
-        try {
-            StringBuilder buf = new StringBuilder();
-            InputStream json = getAssets().open("retro-changelog.html");
-            BufferedReader in = new BufferedReader(new InputStreamReader(json, StandardCharsets.UTF_8));
-            String str;
-            while ((str = in.readLine()) != null) {
-                buf.append(str);
-            }
-            in.close();
-
-            // Inject color values for WebView body background and links
-            final boolean isDark = ATHUtil.INSTANCE.isWindowBackgroundDark(this);
-            final int accentColor = ThemeStore.Companion.accentColor(this);
-            final String backgroundColor = colorToCSS(ATHUtil.INSTANCE.resolveColor(this, R.attr.colorSurface, Color.parseColor(isDark ? "#424242" : "#ffffff")));
-            final String contentColor = colorToCSS(Color.parseColor(isDark ? "#ffffff" : "#000000"));
-            final String textColor = colorToCSS(Color.parseColor(isDark ? "#60FFFFFF" : "#80000000"));
-            final String accentColorString = colorToCSS(ThemeStore.Companion.accentColor(this));
-            final String accentTextColor = colorToCSS(MaterialValueHelper.getPrimaryTextColor(this, ColorUtil.INSTANCE.isColorLight(accentColor)));
-            final String changeLog = buf.toString()
-                    .replace("{style-placeholder}", String.format("body { background-color: %s; color: %s; } li {color: %s;} .colorHeader {background-color: %s; color: %s;} .tag {color: %s;}", backgroundColor, contentColor, textColor, accentColorString, accentTextColor, accentColorString))
-                    .replace("{link-color}", colorToCSS(ThemeStore.Companion.accentColor(this)))
-                    .replace("{link-color-active}", colorToCSS(ColorUtil.INSTANCE.lightenColor(ThemeStore.Companion.accentColor(this))));
-            webView.loadData(changeLog, "text/html", "UTF-8");
-        } catch (Throwable e) {
-            webView.loadData("<h1>Unable to load</h1><p>" + e.getLocalizedMessage() + "</p>", "text/html", "UTF-8");
-        }
-        setChangelogRead(this);
-    }
-}
+    setChangelogRead(this);
+  }
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsBaseActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsBaseActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.base

 import android.Manifest
@ -12,8 +26,8 @@ import android.view.KeyEvent
 import android.view.View
 import androidx.core.app.ActivityCompat
 import code.name.monkey.appthemehelper.ThemeStore
-import com.google.android.material.snackbar.Snackbar
 import io.github.muntashirakon.music.R
+import com.google.android.material.snackbar.Snackbar

 abstract class AbsBaseActivity : AbsThemeActivity() {
    private var hadPermissions: Boolean = false
@ -46,7 +60,7 @@ abstract class AbsBaseActivity : AbsThemeActivity() {
    override fun onPostCreate(savedInstanceState: Bundle?) {
        super.onPostCreate(savedInstanceState)
        if (!hasPermissions()) {
-            //requestPermissions()
+            // requestPermissions()
        }
    }

@ -107,7 +121,7 @@ abstract class AbsBaseActivity : AbsThemeActivity() {
                            this@AbsBaseActivity, Manifest.permission.WRITE_EXTERNAL_STORAGE
                        )
                    ) {
-                        //User has deny from permission dialog
+                        // User has deny from permission dialog
                        Snackbar.make(
                            snackBarContainer,
                            permissionDeniedMessage!!,
--- a/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsMusicServiceActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsMusicServiceActivity.kt
@ -1,25 +1,44 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.base

 import android.Manifest
-import android.content.*
+import android.content.BroadcastReceiver
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.content.ServiceConnection
 import android.os.Bundle
 import android.os.IBinder
 import androidx.lifecycle.lifecycleScope
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.db.toPlayCount
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
-import io.github.muntashirakon.music.interfaces.MusicServiceEventListener
+import io.github.muntashirakon.music.interfaces.IMusicServiceEventListener
 import io.github.muntashirakon.music.repository.RealRepository
 import io.github.muntashirakon.music.service.MusicService.*
+import java.lang.ref.WeakReference
+import java.util.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import org.koin.android.ext.android.inject
-import java.lang.ref.WeakReference
-import java.util.*

-abstract class AbsMusicServiceActivity : AbsBaseActivity(), MusicServiceEventListener {
+abstract class AbsMusicServiceActivity : AbsBaseActivity(), IMusicServiceEventListener {

-    private val mMusicServiceEventListeners = ArrayList<MusicServiceEventListener>()
+    private val mMusicServiceEventListeners = ArrayList<IMusicServiceEventListener>()
    private val repository: RealRepository by inject()
    private var serviceToken: MusicPlayerRemote.ServiceToken? = null
    private var musicStateReceiver: MusicStateReceiver? = null
@ -49,15 +68,15 @@ abstract class AbsMusicServiceActivity : AbsBaseActivity(), MusicServiceEventLis
        }
    }

-    fun addMusicServiceEventListener(listener: MusicServiceEventListener?) {
-        if (listener != null) {
-            mMusicServiceEventListeners.add(listener)
+    fun addMusicServiceEventListener(listenerI: IMusicServiceEventListener?) {
+        if (listenerI != null) {
+            mMusicServiceEventListeners.add(listenerI)
        }
    }

-    fun removeMusicServiceEventListener(listener: MusicServiceEventListener?) {
-        if (listener != null) {
-            mMusicServiceEventListeners.remove(listener)
+    fun removeMusicServiceEventListener(listenerI: IMusicServiceEventListener?) {
+        if (listenerI != null) {
+            mMusicServiceEventListeners.remove(listenerI)
        }
    }

--- a/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsSlidingMusicPanelActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsSlidingMusicPanelActivity.kt
@ -1,30 +1,63 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.base

+import android.annotation.SuppressLint
 import android.graphics.Color
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewTreeObserver
 import android.widget.FrameLayout
-import androidx.annotation.LayoutRes
 import androidx.core.view.ViewCompat
 import androidx.core.view.isVisible
-import androidx.lifecycle.Observer
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.commit
 import code.name.monkey.appthemehelper.util.ATHUtil
 import code.name.monkey.appthemehelper.util.ColorUtil
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.RetroBottomSheetBehavior
-import io.github.muntashirakon.music.extensions.hide
-import io.github.muntashirakon.music.extensions.whichFragment
+import io.github.muntashirakon.music.extensions.*
 import io.github.muntashirakon.music.fragments.LibraryViewModel
 import io.github.muntashirakon.music.fragments.MiniPlayerFragment
 import io.github.muntashirakon.music.fragments.NowPlayingScreen
 import io.github.muntashirakon.music.fragments.NowPlayingScreen.*
+import io.github.muntashirakon.music.fragments.base.AbsPlayerFragment
+import io.github.muntashirakon.music.fragments.player.adaptive.AdaptiveFragment
+import io.github.muntashirakon.music.fragments.player.blur.BlurPlayerFragment
+import io.github.muntashirakon.music.fragments.player.card.CardFragment
+import io.github.muntashirakon.music.fragments.player.cardblur.CardBlurFragment
+import io.github.muntashirakon.music.fragments.player.circle.CirclePlayerFragment
+import io.github.muntashirakon.music.fragments.player.classic.ClassicPlayerFragment
+import io.github.muntashirakon.music.fragments.player.color.ColorFragment
+import io.github.muntashirakon.music.fragments.player.fit.FitFragment
+import io.github.muntashirakon.music.fragments.player.flat.FlatPlayerFragment
+import io.github.muntashirakon.music.fragments.player.full.FullPlayerFragment
+import io.github.muntashirakon.music.fragments.player.gradient.GradientPlayerFragment
+import io.github.muntashirakon.music.fragments.player.material.MaterialFragment
+import io.github.muntashirakon.music.fragments.player.normal.PlayerFragment
+import io.github.muntashirakon.music.fragments.player.peak.PeakPlayerFragment
+import io.github.muntashirakon.music.fragments.player.plain.PlainPlayerFragment
+import io.github.muntashirakon.music.fragments.player.simple.SimplePlayerFragment
+import io.github.muntashirakon.music.fragments.player.tiny.TinyPlayerFragment
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
 import io.github.muntashirakon.music.model.CategoryInfo
 import io.github.muntashirakon.music.util.PreferenceUtil
 import io.github.muntashirakon.music.views.BottomNavigationBarTinted
 import com.google.android.material.bottomsheet.BottomSheetBehavior
+import com.google.android.material.bottomsheet.BottomSheetBehavior.*
 import kotlinx.android.synthetic.main.sliding_music_panel_layout.*
 import org.koin.androidx.viewmodel.ext.android.viewModel

@ -34,9 +67,10 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity() {
    }

    protected val libraryViewModel by viewModel<LibraryViewModel>()
-    private lateinit var behavior: RetroBottomSheetBehavior<FrameLayout>
+    private lateinit var bottomSheetBehavior: RetroBottomSheetBehavior<FrameLayout>
+    private var playerFragment: AbsPlayerFragment? = null
    private var miniPlayerFragment: MiniPlayerFragment? = null
-    private var cps: NowPlayingScreen? = null
+    private var nowPlayingScreen: NowPlayingScreen? = null
    private var navigationBarColor: Int = 0
    private var taskColor: Int = 0
    private var lightStatusBar: Boolean = false
@ -44,88 +78,90 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity() {
    private var paletteColor: Int = Color.WHITE
    protected abstract fun createContentView(): View
    private val panelState: Int
-        get() = behavior.state
+        get() = bottomSheetBehavior.state

-    private val bottomSheetCallbackList = object : BottomSheetBehavior.BottomSheetCallback() {
+    private val bottomSheetCallbackList = object : BottomSheetCallback() {

        override fun onSlide(bottomSheet: View, slideOffset: Float) {
            setMiniPlayerAlphaProgress(slideOffset)
+            dimBackground.show()
+            dimBackground.alpha = slideOffset
        }

        override fun onStateChanged(bottomSheet: View, newState: Int) {
            when (newState) {
-                BottomSheetBehavior.STATE_EXPANDED -> {
+                STATE_EXPANDED -> {
                    onPanelExpanded()
                }
-                BottomSheetBehavior.STATE_COLLAPSED -> {
+                STATE_COLLAPSED -> {
                    onPanelCollapsed()
+                    dimBackground.hide()
                }
                else -> {
-
+                    println("Do something")
                }
            }
        }
    }

+    fun getBottomSheetBehavior() = bottomSheetBehavior

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(createContentView())
        chooseFragmentForTheme()
        setupSlidingUpPanel()
-
        setupBottomSheet()
+        updateColor()

-        libraryViewModel.paletteColorLiveData.observe(this, Observer {
-            this.paletteColor = it
-            onPaletteColorChanged()
-        })
+        val themeColor = ATHUtil.resolveColor(this, android.R.attr.windowBackground, Color.GRAY)
+        dimBackground.setBackgroundColor(ColorUtil.withAlpha(themeColor, 0.5f))
+        dimBackground.setOnClickListener {
+            println("dimBackground")
+
+        }
    }

-    fun getBottomSheetBehavior() = behavior
-
    private fun setupBottomSheet() {
-        behavior = BottomSheetBehavior.from(slidingPanel) as RetroBottomSheetBehavior
-        behavior.addBottomSheetCallback(bottomSheetCallbackList)
-
-        if (behavior.state == BottomSheetBehavior.STATE_EXPANDED) {
-            setMiniPlayerAlphaProgress(1f)
-        }
+        bottomSheetBehavior = from(slidingPanel) as RetroBottomSheetBehavior
+        bottomSheetBehavior.addBottomSheetCallback(bottomSheetCallbackList)
    }

    override fun onResume() {
        super.onResume()
-        if (cps != PreferenceUtil.nowPlayingScreen) {
+        if (nowPlayingScreen != PreferenceUtil.nowPlayingScreen) {
            postRecreate()
        }
+        if (bottomSheetBehavior.state == BottomSheetBehavior.STATE_EXPANDED) {
+            setMiniPlayerAlphaProgress(1f)
+        }
    }

    override fun onDestroy() {
        super.onDestroy()
-        behavior.removeBottomSheetCallback(bottomSheetCallbackList)
+        bottomSheetBehavior.removeBottomSheetCallback(bottomSheetCallbackList)
    }

-    protected fun wrapSlidingMusicPanel(@LayoutRes resId: Int): View {
+    @SuppressLint("InflateParams")
+    protected fun wrapSlidingMusicPanel(): View {
        val slidingMusicPanelLayout =
            layoutInflater.inflate(R.layout.sliding_music_panel_layout, null)
        val contentContainer: ViewGroup =
            slidingMusicPanelLayout.findViewById(R.id.mainContentFrame)
-        layoutInflater.inflate(resId, contentContainer)
+        layoutInflater.inflate(R.layout.activity_main_content, contentContainer)
        return slidingMusicPanelLayout
    }

    fun collapsePanel() {
-        behavior.state = BottomSheetBehavior.STATE_COLLAPSED
-        setMiniPlayerAlphaProgress(0f)
+        bottomSheetBehavior.state = STATE_COLLAPSED
    }

    fun expandPanel() {
-        behavior.state = BottomSheetBehavior.STATE_EXPANDED
+        bottomSheetBehavior.state = STATE_EXPANDED
        setMiniPlayerAlphaProgress(1f)
    }

    private fun setMiniPlayerAlphaProgress(progress: Float) {
-        if (miniPlayerFragment?.view == null) return
        val alpha = 1 - progress
        miniPlayerFragment?.view?.alpha = alpha
        miniPlayerFragment?.view?.visibility = if (alpha == 0f) View.GONE else View.VISIBLE
@ -150,11 +186,16 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity() {
            ViewTreeObserver.OnGlobalLayoutListener {
            override fun onGlobalLayout() {
                slidingPanel.viewTreeObserver.removeOnGlobalLayoutListener(this)
+                if (nowPlayingScreen != Peak) {
+                    val params = slidingPanel.layoutParams as ViewGroup.LayoutParams
+                    params.height = ViewGroup.LayoutParams.MATCH_PARENT
+                    slidingPanel.layoutParams = params
+                }
                when (panelState) {
-                    BottomSheetBehavior.STATE_EXPANDED -> onPanelExpanded()
-                    BottomSheetBehavior.STATE_COLLAPSED -> onPanelCollapsed()
+                    STATE_EXPANDED -> onPanelExpanded()
+                    STATE_COLLAPSED -> onPanelCollapsed()
                    else -> {
-                        //playerFragment!!.onHide()
+                        // playerFragment!!.onHide()
                    }
                }
            }
@ -165,35 +206,6 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity() {
        return bottomNavigationView
    }

-    fun hideBottomBarVisibility(visible: Boolean) {
-        bottomNavigationView.isVisible = visible
-        hideBottomBar(MusicPlayerRemote.playingQueue.isEmpty())
-    }
-
-    private fun hideBottomBar(hide: Boolean) {
-        val heightOfBar = bottomNavigationView.height
-        val isBottomBarVisible = bottomNavigationView.isVisible
-
-        if (hide) {
-            behavior.isHideable = true
-            behavior.peekHeight = 0
-            collapsePanel()
-            ViewCompat.setElevation(slidingPanel, 0f)
-            ViewCompat.setElevation(bottomNavigationView, 10f)
-        } else {
-            ViewCompat.setElevation(bottomNavigationView, 10f)
-            ViewCompat.setElevation(slidingPanel, 10f)
-            behavior.isHideable = false
-            behavior.peekHeight = (if (isBottomBarVisible) heightOfBar * 2 else heightOfBar) - 24
-        }
-    }
-
-    private fun chooseFragmentForTheme() {
-        cps = PreferenceUtil.nowPlayingScreen
-        miniPlayerFragment = whichFragment<MiniPlayerFragment>(R.id.miniPlayerFragment)
-        miniPlayerFragment?.view?.setOnClickListener { expandPanel() }
-    }
-
    override fun onServiceConnected() {
        super.onServiceConnected()
        if (MusicPlayerRemote.playingQueue.isNotEmpty()) {
@ -216,36 +228,38 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity() {
        if (!handleBackPress()) super.onBackPressed()
    }

-    open fun handleBackPress(): Boolean {
-        if (panelState == BottomSheetBehavior.STATE_EXPANDED) {
+    private fun handleBackPress(): Boolean {
+        if (bottomSheetBehavior.peekHeight != 0 && playerFragment!!.onBackPressed()) return true
+        if (panelState == STATE_EXPANDED) {
            collapsePanel()
            return true
        }
+
        return false
    }

    private fun onPaletteColorChanged() {
-        if (panelState == BottomSheetBehavior.STATE_EXPANDED) {
+        if (panelState == STATE_EXPANDED) {
            super.setTaskDescriptionColor(paletteColor)
            val isColorLight = ColorUtil.isColorLight(paletteColor)
-            if (PreferenceUtil.isAdaptiveColor && (cps == Normal || cps == Flat)) {
+            if (PreferenceUtil.isAdaptiveColor && (nowPlayingScreen == Normal || nowPlayingScreen == Flat)) {
                super.setLightNavigationBar(true)
                super.setLightStatusbar(isColorLight)
-            } else if (cps == Card || cps == Blur || cps == BlurCard) {
+            } else if (nowPlayingScreen == Card || nowPlayingScreen == Blur || nowPlayingScreen == BlurCard) {
                super.setLightStatusbar(false)
                super.setLightNavigationBar(true)
                super.setNavigationbarColor(Color.BLACK)
-            } else if (cps == Color || cps == Tiny || cps == Gradient) {
+            } else if (nowPlayingScreen == Color || nowPlayingScreen == Tiny || nowPlayingScreen == Gradient) {
                super.setNavigationbarColor(paletteColor)
                super.setLightNavigationBar(isColorLight)
                super.setLightStatusbar(isColorLight)
-            } else if (cps == Full) {
+            } else if (nowPlayingScreen == Full) {
                super.setNavigationbarColor(paletteColor)
                super.setLightNavigationBar(isColorLight)
                super.setLightStatusbar(false)
-            } else if (cps == Classic) {
+            } else if (nowPlayingScreen == Classic) {
                super.setLightStatusbar(false)
-            } else if (cps == Fit) {
+            } else if (nowPlayingScreen == Fit) {
                super.setLightStatusbar(false)
            } else {
                super.setLightStatusbar(
@ -263,38 +277,32 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity() {

    override fun setLightStatusbar(enabled: Boolean) {
        lightStatusBar = enabled
-        if (panelState == BottomSheetBehavior.STATE_COLLAPSED) {
+        if (panelState == STATE_COLLAPSED) {
            super.setLightStatusbar(enabled)
        }
    }

    override fun setLightNavigationBar(enabled: Boolean) {
        lightNavigationBar = enabled
-        if (panelState == BottomSheetBehavior.STATE_COLLAPSED) {
+        if (panelState == STATE_COLLAPSED) {
            super.setLightNavigationBar(enabled)
        }
    }

    override fun setNavigationbarColor(color: Int) {
        navigationBarColor = color
-        if (panelState == BottomSheetBehavior.STATE_COLLAPSED) {
+        if (panelState == STATE_COLLAPSED) {
            super.setNavigationbarColor(color)
        }
    }

    override fun setTaskDescriptionColor(color: Int) {
        taskColor = color
-        if (panelState == BottomSheetBehavior.STATE_COLLAPSED) {
+        if (panelState == STATE_COLLAPSED) {
            super.setTaskDescriptionColor(color)
        }
    }

-    fun hideBottomNavigation() {
-        behavior.isHideable = true
-        behavior.peekHeight = 0
-        hideBottomBarVisibility(false)
-    }
-
    fun updateTabs() {
        bottomNavigationView.menu.clear()
        val currentTabs: List<CategoryInfo> = PreferenceUtil.libraryCategory
@ -308,4 +316,74 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity() {
            bottomNavigationView.hide()
        }
    }
-}
+
+    private fun updateColor() {
+        libraryViewModel.paletteColor.observe(this, { color ->
+            this.paletteColor = color
+            onPaletteColorChanged()
+        })
+    }
+
+    fun setBottomBarVisibility(visible: Int) {
+        bottomNavigationView.visibility = visible
+        hideBottomBar(MusicPlayerRemote.playingQueue.isEmpty())
+    }
+
+    private fun hideBottomBar(hide: Boolean) {
+        val heightOfBar = dip(R.dimen.mini_player_height)
+        val heightOfBarWithTabs = dip(R.dimen.mini_player_height_expanded)
+        val isVisible = bottomNavigationView.isVisible
+        if (hide) {
+            bottomSheetBehavior.isHideable = true
+            bottomSheetBehavior.peekHeight = 0
+            ViewCompat.setElevation(slidingPanel, 0f)
+            ViewCompat.setElevation(bottomNavigationView, 10f)
+            collapsePanel()
+        } else {
+            if (MusicPlayerRemote.playingQueue.isNotEmpty()) {
+                bottomSheetBehavior.isHideable = false
+                ViewCompat.setElevation(slidingPanel, 10f)
+                ViewCompat.setElevation(bottomNavigationView, 10f)
+                if (isVisible) {
+                    bottomSheetBehavior.peekHeight = heightOfBarWithTabs
+                    bottomNavigationView.translateYAnimate(0f)
+                } else {
+                    bottomNavigationView.translateYAnimate(150f)
+                    bottomSheetBehavior.peekHeight = heightOfBar
+                }
+            }
+        }
+    }
+
+    private fun chooseFragmentForTheme() {
+        nowPlayingScreen = PreferenceUtil.nowPlayingScreen
+
+        val fragment: Fragment = when (nowPlayingScreen) {
+            Blur -> BlurPlayerFragment()
+            Adaptive -> AdaptiveFragment()
+            Normal -> PlayerFragment()
+            Card -> CardFragment()
+            BlurCard -> CardBlurFragment()
+            Fit -> FitFragment()
+            Flat -> FlatPlayerFragment()
+            Full -> FullPlayerFragment()
+            Plain -> PlainPlayerFragment()
+            Simple -> SimplePlayerFragment()
+            Material -> MaterialFragment()
+            Color -> ColorFragment()
+            Gradient -> GradientPlayerFragment()
+            Tiny -> TinyPlayerFragment()
+            Peak -> PeakPlayerFragment()
+            Circle -> CirclePlayerFragment()
+            Classic -> ClassicPlayerFragment()
+            else -> PlayerFragment()
+        } // must implement AbsPlayerFragment
+        supportFragmentManager.commit {
+            replace(R.id.playerFragmentContainer, fragment)
+        }
+        supportFragmentManager.executePendingTransactions()
+        playerFragment = whichFragment<AbsPlayerFragment>(R.id.playerFragmentContainer)
+        miniPlayerFragment = whichFragment<MiniPlayerFragment>(R.id.miniPlayerFragment)
+        miniPlayerFragment?.view?.setOnClickListener { expandPanel() }
+    }
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsThemeActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/base/AbsThemeActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.base

 import android.content.Context
@ -37,7 +51,6 @@ abstract class AbsThemeActivity : ATHToolbarActivity(), Runnable {
        MaterialDialogsUtil.updateMaterialDialogsThemeSingleton(this)
    }

-
    private fun updateTheme() {
        setTheme(ThemeManager.getThemeResValue(this))
        setDefaultNightMode(ThemeManager.getNightMode(this))
@ -204,4 +217,4 @@ abstract class AbsThemeActivity : ATHToolbarActivity(), Runnable {
            super.attachBaseContext(LanguageContextWrapper.wrap(newBase, Locale(code)))
        } else super.attachBaseContext(newBase)
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/BugReportActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/BugReportActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.bugreport

 import android.app.Activity
@ -31,6 +45,7 @@ import io.github.muntashirakon.music.misc.DialogAsyncTask
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import com.google.android.material.textfield.TextInputLayout
+import java.io.IOException
 import kotlinx.android.synthetic.main.activity_bug_report.*
 import kotlinx.android.synthetic.main.bug_report_card_device_info.*
 import kotlinx.android.synthetic.main.bug_report_card_report.*
@ -38,7 +53,6 @@ import org.eclipse.egit.github.core.Issue
 import org.eclipse.egit.github.core.client.GitHubClient
 import org.eclipse.egit.github.core.client.RequestException
 import org.eclipse.egit.github.core.service.IssueService
-import java.io.IOException

 private const val RESULT_SUCCESS = "RESULT_OK"
 private const val RESULT_BAD_CREDENTIALS = "RESULT_BAD_CREDENTIALS"
@ -306,7 +320,6 @@ open class BugReportActivity : AbsThemeActivity() {
            }
        }

-
        companion object {

            fun report(
--- a/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/DeviceInfo.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/DeviceInfo.java
@ -5,129 +5,197 @@ import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.Build;
-
 import androidx.annotation.IntRange;
-
-import org.jetbrains.annotations.NotNull;
-
+import code.name.monkey.retromusic.util.PreferenceUtil;
 import java.util.Arrays;
 import java.util.Locale;

-import io.github.muntashirakon.music.util.PreferenceUtil;
-
 public class DeviceInfo {

-    @SuppressLint("NewApi")
-    @SuppressWarnings("deprecation")
-    private final String[] abis = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ?
-            Build.SUPPORTED_ABIS : new String[]{Build.CPU_ABI, Build.CPU_ABI2};
+  @SuppressLint("NewApi")
+  @SuppressWarnings("deprecation")
+  private final String[] abis =
+      Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
+          ? Build.SUPPORTED_ABIS
+          : new String[] {Build.CPU_ABI, Build.CPU_ABI2};

-    @SuppressLint("NewApi")
-    private final String[] abis32Bits = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ?
-            Build.SUPPORTED_32_BIT_ABIS : null;
+  @SuppressLint("NewApi")
+  private final String[] abis32Bits =
+      Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? Build.SUPPORTED_32_BIT_ABIS : null;

-    @SuppressLint("NewApi")
-    private final String[] abis64Bits = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ?
-            Build.SUPPORTED_64_BIT_ABIS : null;
+  @SuppressLint("NewApi")
+  private final String[] abis64Bits =
+      Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? Build.SUPPORTED_64_BIT_ABIS : null;

-    private final String baseTheme;
+  private final String baseTheme;

-    private final String brand = Build.BRAND;
+  private final String brand = Build.BRAND;

-    private final String buildID = Build.DISPLAY;
+  private final String buildID = Build.DISPLAY;

-    private final String buildVersion = Build.VERSION.INCREMENTAL;
+  private final String buildVersion = Build.VERSION.INCREMENTAL;

-    private final String device = Build.DEVICE;
+  private final String device = Build.DEVICE;

-    private final String hardware = Build.HARDWARE;
+  private final String hardware = Build.HARDWARE;

-    private final boolean isAdaptive;
+  private final boolean isAdaptive;

-    private final String manufacturer = Build.MANUFACTURER;
+  private final String manufacturer = Build.MANUFACTURER;

-    private final String model = Build.MODEL;
+  private final String model = Build.MODEL;

-    private final String nowPlayingTheme;
+  private final String nowPlayingTheme;

-    private final String product = Build.PRODUCT;
+  private final String product = Build.PRODUCT;

-    private final String releaseVersion = Build.VERSION.RELEASE;
+  private final String releaseVersion = Build.VERSION.RELEASE;

-    @IntRange(from = 0)
-    private final int sdkVersion = Build.VERSION.SDK_INT;
+  @IntRange(from = 0)
+  private final int sdkVersion = Build.VERSION.SDK_INT;

-    private final int versionCode;
+  private final int versionCode;

-    private final String versionName;
-    private final String selectedLang;
+  private final String versionName;
+  private final String selectedLang;

-    public DeviceInfo(Context context) {
-        PackageInfo packageInfo;
-        try {
-            packageInfo = context.getPackageManager()
-                    .getPackageInfo(context.getPackageName(), 0);
-        } catch (PackageManager.NameNotFoundException e) {
-            packageInfo = null;
-        }
-        if (packageInfo != null) {
-            versionCode = packageInfo.versionCode;
-            versionName = packageInfo.versionName;
-        } else {
-            versionCode = -1;
-            versionName = null;
-        }
-        baseTheme = PreferenceUtil.INSTANCE.getBaseTheme();
-        nowPlayingTheme = context.getString(PreferenceUtil.INSTANCE.getNowPlayingScreen().getTitleRes());
-        isAdaptive = PreferenceUtil.INSTANCE.isAdaptiveColor();
-        selectedLang = PreferenceUtil.INSTANCE.getLanguageCode();
+  public DeviceInfo(Context context) {
+    PackageInfo packageInfo;
+    try {
+      packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
+    } catch (PackageManager.NameNotFoundException e) {
+      packageInfo = null;
    }
-
-    public String toMarkdown() {
-        return "Device info:\n"
-                + "---\n"
-                + "<table>\n"
-                + "<tr><td><b>App version</b></td><td>" + versionName + "</td></tr>\n"
-                + "<tr><td>App version code</td><td>" + versionCode + "</td></tr>\n"
-                + "<tr><td>Android build version</td><td>" + buildVersion + "</td></tr>\n"
-                + "<tr><td>Android release version</td><td>" + releaseVersion + "</td></tr>\n"
-                + "<tr><td>Android SDK version</td><td>" + sdkVersion + "</td></tr>\n"
-                + "<tr><td>Android build ID</td><td>" + buildID + "</td></tr>\n"
-                + "<tr><td>Device brand</td><td>" + brand + "</td></tr>\n"
-                + "<tr><td>Device manufacturer</td><td>" + manufacturer + "</td></tr>\n"
-                + "<tr><td>Device name</td><td>" + device + "</td></tr>\n"
-                + "<tr><td>Device model</td><td>" + model + "</td></tr>\n"
-                + "<tr><td>Device product name</td><td>" + product + "</td></tr>\n"
-                + "<tr><td>Device hardware name</td><td>" + hardware + "</td></tr>\n"
-                + "<tr><td>ABIs</td><td>" + Arrays.toString(abis) + "</td></tr>\n"
-                + "<tr><td>ABIs (32bit)</td><td>" + Arrays.toString(abis32Bits) + "</td></tr>\n"
-                + "<tr><td>ABIs (64bit)</td><td>" + Arrays.toString(abis64Bits) + "</td></tr>\n"
-                + "<tr><td>Language</td><td>" + selectedLang + "</td></tr>\n"
-                + "</table>\n";
+    if (packageInfo != null) {
+      versionCode = packageInfo.versionCode;
+      versionName = packageInfo.versionName;
+    } else {
+      versionCode = -1;
+      versionName = null;
    }
+    baseTheme = PreferenceUtil.INSTANCE.getBaseTheme();
+    nowPlayingTheme =
+        context.getString(PreferenceUtil.INSTANCE.getNowPlayingScreen().getTitleRes());
+    isAdaptive = PreferenceUtil.INSTANCE.isAdaptiveColor();
+    selectedLang = PreferenceUtil.INSTANCE.getLanguageCode();
+  }

-    @NotNull
+  public String toMarkdown() {
+    return "Device info:\n"
+        + "---\n"
+        + "<table>\n"
+        + "<tr><td><b>App version</b></td><td>"
+        + versionName
+        + "</td></tr>\n"
+        + "<tr><td>App version code</td><td>"
+        + versionCode
+        + "</td></tr>\n"
+        + "<tr><td>Android build version</td><td>"
+        + buildVersion
+        + "</td></tr>\n"
+        + "<tr><td>Android release version</td><td>"
+        + releaseVersion
+        + "</td></tr>\n"
+        + "<tr><td>Android SDK version</td><td>"
+        + sdkVersion
+        + "</td></tr>\n"
+        + "<tr><td>Android build ID</td><td>"
+        + buildID
+        + "</td></tr>\n"
+        + "<tr><td>Device brand</td><td>"
+        + brand
+        + "</td></tr>\n"
+        + "<tr><td>Device manufacturer</td><td>"
+        + manufacturer
+        + "</td></tr>\n"
+        + "<tr><td>Device name</td><td>"
+        + device
+        + "</td></tr>\n"
+        + "<tr><td>Device model</td><td>"
+        + model
+        + "</td></tr>\n"
+        + "<tr><td>Device product name</td><td>"
+        + product
+        + "</td></tr>\n"
+        + "<tr><td>Device hardware name</td><td>"
+        + hardware
+        + "</td></tr>\n"
+        + "<tr><td>ABIs</td><td>"
+        + Arrays.toString(abis)
+        + "</td></tr>\n"
+        + "<tr><td>ABIs (32bit)</td><td>"
+        + Arrays.toString(abis32Bits)
+        + "</td></tr>\n"
+        + "<tr><td>ABIs (64bit)</td><td>"
+        + Arrays.toString(abis64Bits)
+        + "</td></tr>\n"
+        + "<tr><td>Language</td><td>"
+        + selectedLang
+        + "</td></tr>\n"
+        + "</table>\n";
+  }
+
+  @NotNull
    @Override
-    public String toString() {
-        return "App version: " + versionName + "\n"
-                + "App version code: " + versionCode + "\n"
-                + "Android build version: " + buildVersion + "\n"
-                + "Android release version: " + releaseVersion + "\n"
-                + "Android SDK version: " + sdkVersion + "\n"
-                + "Android build ID: " + buildID + "\n"
-                + "Device brand: " + brand + "\n"
-                + "Device manufacturer: " + manufacturer + "\n"
-                + "Device name: " + device + "\n"
-                + "Device model: " + model + "\n"
-                + "Device product name: " + product + "\n"
-                + "Device hardware name: " + hardware + "\n"
-                + "ABIs: " + Arrays.toString(abis) + "\n"
-                + "ABIs (32bit): " + Arrays.toString(abis32Bits) + "\n"
-                + "ABIs (64bit): " + Arrays.toString(abis64Bits) + "\n"
-                + "Base theme: " + baseTheme + "\n"
-                + "Now playing theme: " + nowPlayingTheme + "\n"
-                + "Adaptive: " + isAdaptive + "\n"
-                + "System language: " + Locale.getDefault().toLanguageTag() + "\n"
-                + "In-App Language: " + selectedLang;
-    }
+  public String toString() {
+    return "App version: "
+        + versionName
+        + "\n"
+        + "App version code: "
+        + versionCode
+        + "\n"
+        + "Android build version: "
+        + buildVersion
+        + "\n"
+        + "Android release version: "
+        + releaseVersion
+        + "\n"
+        + "Android SDK version: "
+        + sdkVersion
+        + "\n"
+        + "Android build ID: "
+        + buildID
+        + "\n"
+        + "Device brand: "
+        + brand
+        + "\n"
+        + "Device manufacturer: "
+        + manufacturer
+        + "\n"
+        + "Device name: "
+        + device
+        + "\n"
+        + "Device model: "
+        + model
+        + "\n"
+        + "Device product name: "
+        + product
+        + "\n"
+        + "Device hardware name: "
+        + hardware
+        + "\n"
+        + "ABIs: "
+        + Arrays.toString(abis)
+        + "\n"
+        + "ABIs (32bit): "
+        + Arrays.toString(abis32Bits)
+        + "\n"
+        + "ABIs (64bit): "
+        + Arrays.toString(abis64Bits)
+        + "\n"
+        + "Base theme: "
+        + baseTheme
+        + "\n"
+        + "Now playing theme: "
+        + nowPlayingTheme
+        + "\n"
+        + "Adaptive: "
+        + isAdaptive
+        + "\n"
+        + "System language: "
+        + Locale.getDefault().toLanguageTag()
+        + "\n"
+        + "In-App Language: "
+        + selectedLang;
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/Report.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/Report.java
@ -1,33 +1,34 @@
 package io.github.muntashirakon.music.activities.bugreport.model;

-
 import io.github.muntashirakon.music.activities.bugreport.model.github.ExtraInfo;

 public class Report {

-    private final String description;
+  private final String description;

-    private final DeviceInfo deviceInfo;
+  private final DeviceInfo deviceInfo;

-    private final ExtraInfo extraInfo;
+  private final ExtraInfo extraInfo;

-    private final String title;
+  private final String title;

-    public Report(String title, String description, DeviceInfo deviceInfo, ExtraInfo extraInfo) {
-        this.title = title;
-        this.description = description;
-        this.deviceInfo = deviceInfo;
-        this.extraInfo = extraInfo;
-    }
+  public Report(String title, String description, DeviceInfo deviceInfo, ExtraInfo extraInfo) {
+    this.title = title;
+    this.description = description;
+    this.deviceInfo = deviceInfo;
+    this.extraInfo = extraInfo;
+  }

-    public String getDescription() {
-        return description + "\n\n"
-                + "-\n\n"
-                + deviceInfo.toMarkdown() + "\n\n"
-                + extraInfo.toMarkdown();
-    }
+  public String getDescription() {
+    return description
+        + "\n\n"
+        + "-\n\n"
+        + deviceInfo.toMarkdown()
+        + "\n\n"
+        + extraInfo.toMarkdown();
+  }

-    public String getTitle() {
-        return title;
-    }
+  public String getTitle() {
+    return title;
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/github/ExtraInfo.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/github/ExtraInfo.java
@ -5,58 +5,57 @@ import java.util.Map;

 public class ExtraInfo {

-    private final Map<String, String> extraInfo = new LinkedHashMap<>();
+  private final Map<String, String> extraInfo = new LinkedHashMap<>();

-    public void put(String key, String value) {
-        extraInfo.put(key, value);
+  public void put(String key, String value) {
+    extraInfo.put(key, value);
+  }
+
+  public void put(String key, boolean value) {
+    extraInfo.put(key, Boolean.toString(value));
+  }
+
+  public void put(String key, double value) {
+    extraInfo.put(key, Double.toString(value));
+  }
+
+  public void put(String key, float value) {
+    extraInfo.put(key, Float.toString(value));
+  }
+
+  public void put(String key, long value) {
+    extraInfo.put(key, Long.toString(value));
+  }
+
+  public void put(String key, int value) {
+    extraInfo.put(key, Integer.toString(value));
+  }
+
+  public void put(String key, Object value) {
+    extraInfo.put(key, String.valueOf(value));
+  }
+
+  public void remove(String key) {
+    extraInfo.remove(key);
+  }
+
+  public String toMarkdown() {
+    if (extraInfo.isEmpty()) {
+      return "";
    }

-    public void put(String key, boolean value) {
-        extraInfo.put(key, Boolean.toString(value));
+    StringBuilder output = new StringBuilder();
+    output.append("Extra info:\n" + "---\n" + "<table>\n");
+    for (String key : extraInfo.keySet()) {
+      output
+          .append("<tr><td>")
+          .append(key)
+          .append("</td><td>")
+          .append(extraInfo.get(key))
+          .append("</td></tr>\n");
    }
+    output.append("</table>\n");

-    public void put(String key, double value) {
-        extraInfo.put(key, Double.toString(value));
-    }
-
-    public void put(String key, float value) {
-        extraInfo.put(key, Float.toString(value));
-    }
-
-    public void put(String key, long value) {
-        extraInfo.put(key, Long.toString(value));
-    }
-
-    public void put(String key, int value) {
-        extraInfo.put(key, Integer.toString(value));
-    }
-
-    public void put(String key, Object value) {
-        extraInfo.put(key, String.valueOf(value));
-    }
-
-    public void remove(String key) {
-        extraInfo.remove(key);
-    }
-
-    public String toMarkdown() {
-        if (extraInfo.isEmpty()) {
-            return "";
-        }
-
-        StringBuilder output = new StringBuilder();
-        output.append("Extra info:\n"
-                + "---\n"
-                + "<table>\n");
-        for (String key : extraInfo.keySet()) {
-            output.append("<tr><td>")
-                    .append(key)
-                    .append("</td><td>")
-                    .append(extraInfo.get(key))
-                    .append("</td></tr>\n");
-        }
-        output.append("</table>\n");
-
-        return output.toString();
-    }
+    return output.toString();
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/github/GithubLogin.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/github/GithubLogin.java
@ -4,38 +4,37 @@ import android.text.TextUtils;

 public class GithubLogin {

-    private final String apiToken;
+  private final String apiToken;

-    private final String password;
+  private final String password;

-    private final String username;
+  private final String username;

-    public GithubLogin(String username, String password) {
-        this.username = username;
-        this.password = password;
-        this.apiToken = null;
-    }
+  public GithubLogin(String username, String password) {
+    this.username = username;
+    this.password = password;
+    this.apiToken = null;
+  }

-    public GithubLogin(String apiToken) {
-        this.username = null;
-        this.password = null;
-        this.apiToken = apiToken;
-    }
+  public GithubLogin(String apiToken) {
+    this.username = null;
+    this.password = null;
+    this.apiToken = apiToken;
+  }

-    public String getApiToken() {
-        return apiToken;
-    }
+  public String getApiToken() {
+    return apiToken;
+  }

-    public String getPassword() {
-        return password;
-    }
+  public String getPassword() {
+    return password;
+  }

-    public String getUsername() {
-        return username;
-    }
-
-    public boolean shouldUseApiToken() {
-        return TextUtils.isEmpty(username) || TextUtils.isEmpty(password);
-    }
+  public String getUsername() {
+    return username;
+  }

+  public boolean shouldUseApiToken() {
+    return TextUtils.isEmpty(username) || TextUtils.isEmpty(password);
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/github/GithubTarget.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/bugreport/model/github/GithubTarget.java
@ -2,20 +2,20 @@ package io.github.muntashirakon.music.activities.bugreport.model.github;

 public class GithubTarget {

-    private final String repository;
+  private final String repository;

-    private final String username;
+  private final String username;

-    public GithubTarget(String username, String repository) {
-        this.username = username;
-        this.repository = repository;
-    }
+  public GithubTarget(String username, String repository) {
+    this.username = username;
+    this.repository = repository;
+  }

-    public String getRepository() {
-        return repository;
-    }
+  public String getRepository() {
+    return repository;
+  }

-    public String getUsername() {
-        return username;
-    }
+  public String getUsername() {
+    return username;
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/saf/SAFGuideActivity.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/saf/SAFGuideActivity.java
@ -16,57 +16,58 @@ package io.github.muntashirakon.music.activities.saf;

 import android.os.Build;
 import android.os.Bundle;
-
 import androidx.annotation.Nullable;
-
+import io.github.muntashirakon.music.R;
 import com.heinrichreimersoftware.materialintro.app.IntroActivity;
 import com.heinrichreimersoftware.materialintro.slide.SimpleSlide;

-import io.github.muntashirakon.music.R;
-
-/**
- * Created by hemanths on 2019-07-31.
- */
+/** Created by hemanths on 2019-07-31. */
 public class SAFGuideActivity extends IntroActivity {

-    public static final int REQUEST_CODE_SAF_GUIDE = 98;
+  public static final int REQUEST_CODE_SAF_GUIDE = 98;

-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
+  @Override
+  protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);

-        setButtonCtaVisible(false);
-        setButtonNextVisible(false);
-        setButtonBackVisible(false);
+    setButtonCtaVisible(false);
+    setButtonNextVisible(false);
+    setButtonBackVisible(false);

-        setButtonCtaTintMode(BUTTON_CTA_TINT_MODE_TEXT);
+    setButtonCtaTintMode(BUTTON_CTA_TINT_MODE_TEXT);

-        String title = String.format(getString(R.string.saf_guide_slide1_title), getString(R.string.app_name));
+    String title =
+        String.format(getString(R.string.saf_guide_slide1_title), getString(R.string.app_name));

-        addSlide(new SimpleSlide.Builder()
-                .title(title)
-                .description(Build.VERSION.SDK_INT <= Build.VERSION_CODES.N_MR1
-                        ? R.string.saf_guide_slide1_description_before_o : R.string.saf_guide_slide1_description)
-                .image(R.drawable.saf_guide_1)
-                .background(R.color.md_deep_purple_300)
-                .backgroundDark(R.color.md_deep_purple_400)
-                .layout(R.layout.fragment_simple_slide_large_image)
-                .build());
-        addSlide(new SimpleSlide.Builder()
-                .title(R.string.saf_guide_slide2_title)
-                .description(R.string.saf_guide_slide2_description)
-                .image(R.drawable.saf_guide_2)
-                .background(R.color.md_deep_purple_500)
-                .backgroundDark(R.color.md_deep_purple_600)
-                .layout(R.layout.fragment_simple_slide_large_image)
-                .build());
-        addSlide(new SimpleSlide.Builder()
-                .title(R.string.saf_guide_slide3_title)
-                .description(R.string.saf_guide_slide3_description)
-                .image(R.drawable.saf_guide_3)
-                .background(R.color.md_deep_purple_700)
-                .backgroundDark(R.color.md_deep_purple_800)
-                .layout(R.layout.fragment_simple_slide_large_image)
-                .build());
-    }
+    addSlide(
+        new SimpleSlide.Builder()
+            .title(title)
+            .description(
+                Build.VERSION.SDK_INT <= Build.VERSION_CODES.N_MR1
+                    ? R.string.saf_guide_slide1_description_before_o
+                    : R.string.saf_guide_slide1_description)
+            .image(R.drawable.saf_guide_1)
+            .background(R.color.md_deep_purple_300)
+            .backgroundDark(R.color.md_deep_purple_400)
+            .layout(R.layout.fragment_simple_slide_large_image)
+            .build());
+    addSlide(
+        new SimpleSlide.Builder()
+            .title(R.string.saf_guide_slide2_title)
+            .description(R.string.saf_guide_slide2_description)
+            .image(R.drawable.saf_guide_2)
+            .background(R.color.md_deep_purple_500)
+            .backgroundDark(R.color.md_deep_purple_600)
+            .layout(R.layout.fragment_simple_slide_large_image)
+            .build());
+    addSlide(
+        new SimpleSlide.Builder()
+            .title(R.string.saf_guide_slide3_title)
+            .description(R.string.saf_guide_slide3_description)
+            .image(R.drawable.saf_guide_3)
+            .background(R.color.md_deep_purple_700)
+            .backgroundDark(R.color.md_deep_purple_800)
+            .layout(R.layout.fragment_simple_slide_large_image)
+            .build());
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/AbsTagEditorActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/AbsTagEditorActivity.kt
@ -1,13 +1,25 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.tageditor

 import android.app.Activity
 import android.app.SearchManager
 import android.content.Intent
-import android.content.res.ColorStateList
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import android.util.Log
 import android.view.MenuItem
@ -16,18 +28,19 @@ import android.view.animation.OvershootInterpolator
 import androidx.appcompat.app.AlertDialog
 import code.name.monkey.appthemehelper.ThemeStore
 import code.name.monkey.appthemehelper.util.ATHUtil
-import code.name.monkey.appthemehelper.util.ColorUtil
-import code.name.monkey.appthemehelper.util.MaterialValueHelper
 import code.name.monkey.appthemehelper.util.TintHelper
-import com.google.android.material.button.MaterialButton
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.R.drawable
 import io.github.muntashirakon.music.activities.base.AbsBaseActivity
 import io.github.muntashirakon.music.activities.saf.SAFGuideActivity
+import io.github.muntashirakon.music.extensions.accentColor
+import io.github.muntashirakon.music.model.ArtworkInfo
+import io.github.muntashirakon.music.model.LoadingInfo
 import io.github.muntashirakon.music.repository.Repository
 import io.github.muntashirakon.music.util.RetroUtil
 import io.github.muntashirakon.music.util.SAFUtil
+import com.google.android.material.button.MaterialButton
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.android.synthetic.main.activity_album_tag_editor.*
 import org.jaudiotagger.audio.AudioFile
 import org.jaudiotagger.audio.AudioFileIO
@ -49,6 +62,8 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
    private val currentSongPath: String? = null
    private var savedTags: Map<FieldKey, String>? = null
    private var savedArtworkInfo: ArtworkInfo? = null
+    protected abstract val contentViewLayout: Int
+    protected abstract fun loadImageFromFile(selectedFile: Uri?)

    protected val show: AlertDialog
        get() =
@ -62,7 +77,6 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
                    }
                }
                .show()
-    protected abstract val contentViewLayout: Int

    internal val albumArtist: String?
        get() {
@ -182,6 +196,7 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
        getIntentExtras()

        songPaths = getSongPaths()
+        println(songPaths?.size)
        if (songPaths!!.isEmpty()) {
            finish()
        }
@ -198,9 +213,9 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
    private fun setUpImageView() {
        loadCurrentImage()
        items = listOf(
-            getString(io.github.muntashirakon.music.R.string.pick_from_local_storage),
-            getString(io.github.muntashirakon.music.R.string.web_search),
-            getString(io.github.muntashirakon.music.R.string.remove_cover)
+            getString(R.string.pick_from_local_storage),
+            getString(R.string.web_search),
+            getString(R.string.remove_cover)
        )
        editorImage?.setOnClickListener { show }
    }
@ -211,7 +226,7 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
        startActivityForResult(
            Intent.createChooser(
                intent,
-                getString(io.github.muntashirakon.music.R.string.pick_from_local_storage)
+                getString(R.string.pick_from_local_storage)
            ), REQUEST_CODE_SELECT_IMAGE
        )
    }
@ -223,20 +238,7 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
    protected abstract fun deleteImage()

    private fun setUpFab() {
-        saveFab.backgroundTintList = ColorStateList.valueOf(ThemeStore.accentColor(this))
-        ColorStateList.valueOf(
-            MaterialValueHelper.getPrimaryTextColor(
-                this,
-                ColorUtil.isColorLight(
-                    ThemeStore.accentColor(
-                        this
-                    )
-                )
-            )
-        ).apply {
-            saveFab.setTextColor(this)
-            saveFab.iconTint = this
-        }
+        saveFab.accentColor()
        saveFab.apply {
            scaleX = 0f
            scaleY = 0f
@ -324,35 +326,25 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
    }

    protected fun writeValuesToFiles(
-        fieldKeyValueMap: Map<FieldKey, String>, artworkInfo: ArtworkInfo?
+        fieldKeyValueMap: Map<FieldKey, String>,
+        artworkInfo: ArtworkInfo?
    ) {
        RetroUtil.hideSoftKeyboard(this)

        hideFab()
-
-        savedSongPaths = songPaths
-        savedTags = fieldKeyValueMap
-        savedArtworkInfo = artworkInfo
-
-        if (!SAFUtil.isSAFRequired(savedSongPaths)) {
-            writeTags(savedSongPaths)
-        } else {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-                if (SAFUtil.isSDCardAccessGranted(this)) {
-                    writeTags(savedSongPaths)
-                } else {
-                    startActivityForResult(
-                        Intent(this, SAFGuideActivity::class.java),
-                        SAFGuideActivity.REQUEST_CODE_SAF_GUIDE
-                    )
-                }
-            }
-        }
+        println(fieldKeyValueMap)
+        WriteTagsAsyncTask(this).execute(
+            LoadingInfo(
+                songPaths,
+                fieldKeyValueMap,
+                artworkInfo
+            )
+        )
    }

    private fun writeTags(paths: List<String>?) {
        WriteTagsAsyncTask(this).execute(
-            WriteTagsAsyncTask.LoadingInfo(
+            LoadingInfo(
                paths,
                savedTags,
                savedArtworkInfo
@ -360,6 +352,7 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
        )
    }

+
    override fun onActivityResult(requestCode: Int, resultCode: Int, intent: Intent?) {
        super.onActivityResult(requestCode, resultCode, intent)
        when (requestCode) {
@ -385,7 +378,6 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
        }
    }

-    protected abstract fun loadImageFromFile(selectedFile: Uri?)

    private fun getAudioFile(path: String): AudioFile {
        return try {
@ -396,7 +388,6 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
        }
    }

-    class ArtworkInfo constructor(val albumId: Long, val artwork: Bitmap?)

    companion object {

@ -405,5 +396,4 @@ abstract class AbsTagEditorActivity : AbsBaseActivity() {
        private val TAG = AbsTagEditorActivity::class.java.simpleName
        private const val REQUEST_CODE_SELECT_IMAGE = 1000
    }
-
 }
--- a/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/AlbumTagEditorActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/AlbumTagEditorActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.tageditor

 import android.app.Activity
@ -18,6 +32,7 @@ import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.extensions.appHandleColor
 import io.github.muntashirakon.music.glide.palette.BitmapPaletteTranscoder
 import io.github.muntashirakon.music.glide.palette.BitmapPaletteWrapper
+import io.github.muntashirakon.music.model.ArtworkInfo
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.util.ImageUtil
 import io.github.muntashirakon.music.util.RetroColorUtil.generatePalette
@ -26,9 +41,9 @@ import com.bumptech.glide.Glide
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.request.animation.GlideAnimation
 import com.bumptech.glide.request.target.SimpleTarget
+import java.util.*
 import kotlinx.android.synthetic.main.activity_album_tag_editor.*
 import org.jaudiotagger.tag.FieldKey
-import java.util.*

 class AlbumTagEditorActivity : AbsTagEditorActivity(), TextWatcher {

@ -155,7 +170,7 @@ class AlbumTagEditorActivity : AbsTagEditorActivity(), TextWatcher {
    override fun save() {
        val fieldKeyValueMap = EnumMap<FieldKey, String>(FieldKey::class.java)
        fieldKeyValueMap[FieldKey.ALBUM] = albumText.text.toString()
-        //android seems not to recognize album_artist field so we additionally write the normal artist field
+        // android seems not to recognize album_artist field so we additionally write the normal artist field
        fieldKeyValueMap[FieldKey.ARTIST] = albumArtistText.text.toString()
        fieldKeyValueMap[FieldKey.ALBUM_ARTIST] = albumArtistText.text.toString()
        fieldKeyValueMap[FieldKey.GENRE] = genreTitle.text.toString()
@ -163,8 +178,11 @@ class AlbumTagEditorActivity : AbsTagEditorActivity(), TextWatcher {

        writeValuesToFiles(
            fieldKeyValueMap,
-            if (deleteAlbumArt) ArtworkInfo(id, null)
-            else if (albumArtBitmap == null) null else ArtworkInfo(id, albumArtBitmap!!)
+            when {
+                deleteAlbumArt -> ArtworkInfo(id, null)
+                albumArtBitmap == null -> null
+                else -> ArtworkInfo(id, albumArtBitmap!!)
+            }
        )
    }

--- a/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/SongTagEditorActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/SongTagEditorActivity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.activities.tageditor

 import android.net.Uri
@ -88,11 +102,7 @@ class SongTagEditorActivity : AbsTagEditorActivity(), TextWatcher {
        writeValuesToFiles(fieldKeyValueMap, null)
    }

-    override fun getSongPaths(): List<String> {
-        val paths = ArrayList<String>(1)
-        paths.add(songRepository.song(id).data)
-        return paths
-    }
+    override fun getSongPaths(): List<String> = listOf(songRepository.song(id).data)

    override fun loadImageFromFile(selectedFile: Uri?) {
    }
@ -111,5 +121,3 @@ class SongTagEditorActivity : AbsTagEditorActivity(), TextWatcher {
        val TAG: String = SongTagEditorActivity::class.java.simpleName
    }
 }
-
-
--- a/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/WriteTagsAsyncTask.java
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/tageditor/WriteTagsAsyncTask.java
@ -5,67 +5,54 @@ import android.app.Dialog;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.media.MediaScannerConnection;
-import android.net.Uri;
-import android.os.Build;
+import android.util.Log;
+import android.widget.Toast;

 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;

-import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.afollestad.materialdialogs.MaterialDialog;

 import org.jaudiotagger.audio.AudioFile;
 import org.jaudiotagger.audio.AudioFileIO;
+import org.jaudiotagger.audio.exceptions.CannotReadException;
+import org.jaudiotagger.audio.exceptions.CannotWriteException;
+import org.jaudiotagger.audio.exceptions.InvalidAudioFrameException;
+import org.jaudiotagger.audio.exceptions.ReadOnlyFileException;
 import org.jaudiotagger.tag.FieldKey;
 import org.jaudiotagger.tag.Tag;
+import org.jaudiotagger.tag.TagException;
 import org.jaudiotagger.tag.images.Artwork;
 import org.jaudiotagger.tag.images.ArtworkFactory;

 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.lang.ref.WeakReference;
-import java.util.ArrayList;
-import java.util.Collection;
+import java.util.List;
 import java.util.Map;

 import io.github.muntashirakon.music.R;
 import io.github.muntashirakon.music.misc.DialogAsyncTask;
 import io.github.muntashirakon.music.misc.UpdateToastMediaScannerCompletionListener;
+import io.github.muntashirakon.music.model.LoadingInfo;
 import io.github.muntashirakon.music.util.MusicUtil;
-import io.github.muntashirakon.music.util.SAFUtil;

-public class WriteTagsAsyncTask extends DialogAsyncTask<WriteTagsAsyncTask.LoadingInfo, Integer, String[]> {
+public class WriteTagsAsyncTask extends DialogAsyncTask<LoadingInfo, Integer, List<String>> {

-    private WeakReference<Activity> activity;
-
-    public WriteTagsAsyncTask(@NonNull Activity activity) {
-        super(activity);
-        this.activity = new WeakReference<>(activity);
-    }
-
-    @NonNull
-    @Override
-    protected Dialog createDialog(@NonNull Context context) {
-
-        return new MaterialAlertDialogBuilder(context)
-                .setTitle(R.string.saving_changes)
-                .setCancelable(false)
-                .setView(R.layout.loading)
-                .create();
+    public WriteTagsAsyncTask(Context context) {
+        super(context);
    }

    @Override
-    protected String[] doInBackground(LoadingInfo... params) {
+    protected List<String> doInBackground(LoadingInfo... params) {
        try {
            LoadingInfo info = params[0];

            Artwork artwork = null;
            File albumArtFile = null;
-            if (info.artworkInfo != null && info.artworkInfo.getArtwork() != null) {
+            if (info.getArtworkInfo() != null && info.getArtworkInfo().getArtwork() != null) {
                try {
                    albumArtFile = MusicUtil.INSTANCE.createAlbumArtFile().getCanonicalFile();
-                    info.artworkInfo.getArtwork()
-                            .compress(Bitmap.CompressFormat.PNG, 0, new FileOutputStream(albumArtFile));
+                    info.getArtworkInfo().getArtwork().compress(Bitmap.CompressFormat.PNG, 0, new FileOutputStream(albumArtFile));
                    artwork = ArtworkFactory.createArtworkFromFile(albumArtFile);
                } catch (IOException e) {
                    e.printStackTrace();
@ -75,21 +62,14 @@ public class WriteTagsAsyncTask extends DialogAsyncTask<WriteTagsAsyncTask.Loadi
            int counter = 0;
            boolean wroteArtwork = false;
            boolean deletedArtwork = false;
-            for (String filePath : info.filePaths) {
-                publishProgress(++counter, info.filePaths.size());
+            for (String filePath : info.getFilePaths()) {
+                publishProgress(++counter, info.getFilePaths().size());
                try {
-                    Uri safUri = null;
-                    if (filePath.contains(SAFUtil.SEPARATOR)) {
-                        String[] fragments = filePath.split(SAFUtil.SEPARATOR);
-                        filePath = fragments[0];
-                        safUri = Uri.parse(fragments[1]);
-                    }
-
                    AudioFile audioFile = AudioFileIO.read(new File(filePath));
                    Tag tag = audioFile.getTagOrCreateAndSetDefault();

-                    if (info.fieldKeyValueMap != null) {
-                        for (Map.Entry<FieldKey, String> entry : info.fieldKeyValueMap.entrySet()) {
+                    if (info.getFieldKeyValueMap() != null) {
+                        for (Map.Entry<FieldKey, String> entry : info.getFieldKeyValueMap().entrySet()) {
                            try {
                                tag.setField(entry.getKey(), entry.getValue());
                            } catch (Exception e) {
@ -98,8 +78,8 @@ public class WriteTagsAsyncTask extends DialogAsyncTask<WriteTagsAsyncTask.Loadi
                        }
                    }

-                    if (info.artworkInfo != null) {
-                        if (info.artworkInfo.getArtwork() == null) {
+                    if (info.getArtworkInfo() != null) {
+                        if (info.getArtworkInfo().getArtwork() == null) {
                            tag.deleteArtworkField();
                            deletedArtwork = true;
                        } else if (artwork != null) {
@ -109,10 +89,8 @@ public class WriteTagsAsyncTask extends DialogAsyncTask<WriteTagsAsyncTask.Loadi
                        }
                    }

-                    Activity activity = this.activity.get();
-                    SAFUtil.write(activity, audioFile, safUri);
-
-                } catch (@NonNull Exception e) {
+                    audioFile.commit();
+                } catch (@NonNull CannotReadException | IOException | CannotWriteException | TagException | ReadOnlyFileException | InvalidAudioFrameException e) {
                    e.printStackTrace();
                }
            }
@ -120,24 +98,13 @@ public class WriteTagsAsyncTask extends DialogAsyncTask<WriteTagsAsyncTask.Loadi
            Context context = getContext();
            if (context != null) {
                if (wroteArtwork) {
-                    MusicUtil.INSTANCE.insertAlbumArt(context, info.artworkInfo.getAlbumId(), albumArtFile.getPath());
+                    MusicUtil.INSTANCE.insertAlbumArt(context, info.getArtworkInfo().getAlbumId(), albumArtFile.getPath());
                } else if (deletedArtwork) {
-                    MusicUtil.INSTANCE.deleteAlbumArt(context, info.artworkInfo.getAlbumId());
+                    MusicUtil.INSTANCE.deleteAlbumArt(context, info.getArtworkInfo().getAlbumId());
                }
            }

-            Collection<String> paths = info.filePaths;
-            if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
-                paths = new ArrayList<>(info.filePaths.size());
-                for (String path : info.filePaths) {
-                    if (path.contains(SAFUtil.SEPARATOR)) {
-                        path = path.split(SAFUtil.SEPARATOR)[0];
-                    }
-                    paths.add(path);
-                }
-            }
-
-            return paths.toArray(new String[paths.size()]);
+            return info.getFilePaths();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
@ -145,48 +112,40 @@ public class WriteTagsAsyncTask extends DialogAsyncTask<WriteTagsAsyncTask.Loadi
    }

    @Override
-    protected void onCancelled(String[] toBeScanned) {
-        super.onCancelled(toBeScanned);
-        scan(toBeScanned);
-    }
-
-    @Override
-    protected void onPostExecute(String[] toBeScanned) {
+    protected void onPostExecute(List<String> toBeScanned) {
        super.onPostExecute(toBeScanned);
        scan(toBeScanned);
    }

+    @Override
+    protected void onCancelled(List<String> toBeScanned) {
+        super.onCancelled(toBeScanned);
+        scan(toBeScanned);
+    }
+
+    private void scan(List<String> toBeScanned) {
+        Context context = getContext();
+        if (toBeScanned == null || toBeScanned.isEmpty()) {
+            Log.i("scan", "scan: Empty");
+            Toast.makeText(context, "Scan file from folder", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        MediaScannerConnection.scanFile(context, toBeScanned.toArray(new String[0]), null, context instanceof Activity ? new UpdateToastMediaScannerCompletionListener((Activity) context, toBeScanned) : null);
+    }
+
+    @Override
+    protected Dialog createDialog(@NonNull Context context) {
+        return new MaterialDialog.Builder(context)
+                .title(R.string.saving_changes)
+                .cancelable(false)
+                .progress(false, 0)
+                .build();
+    }
+
    @Override
    protected void onProgressUpdate(@NonNull Dialog dialog, Integer... values) {
        super.onProgressUpdate(dialog, values);
-        //((MaterialDialog) dialog).setMaxProgress(values[1]);
-        //((MaterialDialog) dialog).setProgress(values[0]);
+        ((MaterialDialog) dialog).setMaxProgress(values[1]);
+        ((MaterialDialog) dialog).setProgress(values[0]);
    }
-
-    private void scan(String[] toBeScanned) {
-        Activity activity = this.activity.get();
-        if (activity != null) {
-            MediaScannerConnection.scanFile(activity, toBeScanned, null,
-                    new UpdateToastMediaScannerCompletionListener(activity, toBeScanned));
-        }
-    }
-
-    public static class LoadingInfo {
-
-        @Nullable
-        final Map<FieldKey, String> fieldKeyValueMap;
-
-        final Collection<String> filePaths;
-
-        @Nullable
-        private AbsTagEditorActivity.ArtworkInfo artworkInfo;
-
-        public LoadingInfo(Collection<String> filePaths,
-                           @Nullable Map<FieldKey, String> fieldKeyValueMap,
-                           @Nullable AbsTagEditorActivity.ArtworkInfo artworkInfo) {
-            this.filePaths = filePaths;
-            this.fieldKeyValueMap = fieldKeyValueMap;
-            this.artworkInfo = artworkInfo;
-        }
-    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/CategoryInfoAdapter.java
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/CategoryInfoAdapter.java
@ -22,116 +22,119 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 import android.widget.Toast;
-
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.checkbox.MaterialCheckBox;
-
-import java.util.List;
-
 import code.name.monkey.appthemehelper.ThemeStore;
 import io.github.muntashirakon.music.R;
 import io.github.muntashirakon.music.model.CategoryInfo;
 import io.github.muntashirakon.music.util.SwipeAndDragHelper;
+import com.google.android.material.checkbox.MaterialCheckBox;
+import java.util.List;

 public class CategoryInfoAdapter extends RecyclerView.Adapter<CategoryInfoAdapter.ViewHolder>
-        implements SwipeAndDragHelper.ActionCompletionContract {
+    implements SwipeAndDragHelper.ActionCompletionContract {

-    private List<CategoryInfo> categoryInfos;
-    private ItemTouchHelper touchHelper;
+  private List<CategoryInfo> categoryInfos;
+  private ItemTouchHelper touchHelper;

-    public CategoryInfoAdapter() {
-        SwipeAndDragHelper swipeAndDragHelper = new SwipeAndDragHelper(this);
-        touchHelper = new ItemTouchHelper(swipeAndDragHelper);
-    }
+  public CategoryInfoAdapter() {
+    SwipeAndDragHelper swipeAndDragHelper = new SwipeAndDragHelper(this);
+    touchHelper = new ItemTouchHelper(swipeAndDragHelper);
+  }

-    public void attachToRecyclerView(RecyclerView recyclerView) {
-        touchHelper.attachToRecyclerView(recyclerView);
-    }
+  public void attachToRecyclerView(RecyclerView recyclerView) {
+    touchHelper.attachToRecyclerView(recyclerView);
+  }

-    @NonNull
-    public List<CategoryInfo> getCategoryInfos() {
-        return categoryInfos;
-    }
+  @NonNull
+  public List<CategoryInfo> getCategoryInfos() {
+    return categoryInfos;
+  }

-    public void setCategoryInfos(@NonNull List<CategoryInfo> categoryInfos) {
-        this.categoryInfos = categoryInfos;
-        notifyDataSetChanged();
-    }
+  public void setCategoryInfos(@NonNull List<CategoryInfo> categoryInfos) {
+    this.categoryInfos = categoryInfos;
+    notifyDataSetChanged();
+  }

-    @Override
-    public int getItemCount() {
-        return categoryInfos.size();
-    }
+  @Override
+  public int getItemCount() {
+    return categoryInfos.size();
+  }

-    @SuppressLint("ClickableViewAccessibility")
-    @Override
-    public void onBindViewHolder(@NonNull CategoryInfoAdapter.ViewHolder holder, int position) {
-        CategoryInfo categoryInfo = categoryInfos.get(position);
+  @SuppressLint("ClickableViewAccessibility")
+  @Override
+  public void onBindViewHolder(@NonNull CategoryInfoAdapter.ViewHolder holder, int position) {
+    CategoryInfo categoryInfo = categoryInfos.get(position);

-        holder.checkBox.setChecked(categoryInfo.isVisible());
-        holder.title.setText(holder.title.getResources().getString(categoryInfo.getCategory().getStringRes()));
+    holder.checkBox.setChecked(categoryInfo.isVisible());
+    holder.title.setText(
+        holder.title.getResources().getString(categoryInfo.getCategory().getStringRes()));

-        holder.itemView.setOnClickListener(v -> {
-            if (!(categoryInfo.isVisible() && isLastCheckedCategory(categoryInfo))) {
-                categoryInfo.setVisible(!categoryInfo.isVisible());
-                holder.checkBox.setChecked(categoryInfo.isVisible());
-            } else {
-                Toast.makeText(holder.itemView.getContext(), R.string.you_have_to_select_at_least_one_category,
-                        Toast.LENGTH_SHORT).show();
-            }
+    holder.itemView.setOnClickListener(
+        v -> {
+          if (!(categoryInfo.isVisible() && isLastCheckedCategory(categoryInfo))) {
+            categoryInfo.setVisible(!categoryInfo.isVisible());
+            holder.checkBox.setChecked(categoryInfo.isVisible());
+          } else {
+            Toast.makeText(
+                    holder.itemView.getContext(),
+                    R.string.you_have_to_select_at_least_one_category,
+                    Toast.LENGTH_SHORT)
+                .show();
+          }
        });

-        holder.dragView.setOnTouchListener((view, event) -> {
-                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
-                        touchHelper.startDrag(holder);
-                    }
-                    return false;
-                }
-        );
-    }
+    holder.dragView.setOnTouchListener(
+        (view, event) -> {
+          if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
+            touchHelper.startDrag(holder);
+          }
+          return false;
+        });
+  }

-    @Override
-    @NonNull
-    public CategoryInfoAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext())
-                .inflate(R.layout.preference_dialog_library_categories_listitem, parent, false);
-        return new ViewHolder(view);
-    }
+  @Override
+  @NonNull
+  public CategoryInfoAdapter.ViewHolder onCreateViewHolder(
+      @NonNull ViewGroup parent, int viewType) {
+    View view =
+        LayoutInflater.from(parent.getContext())
+            .inflate(R.layout.preference_dialog_library_categories_listitem, parent, false);
+    return new ViewHolder(view);
+  }

-    @Override
-    public void onViewMoved(int oldPosition, int newPosition) {
-        CategoryInfo categoryInfo = categoryInfos.get(oldPosition);
-        categoryInfos.remove(oldPosition);
-        categoryInfos.add(newPosition, categoryInfo);
-        notifyItemMoved(oldPosition, newPosition);
-    }
+  @Override
+  public void onViewMoved(int oldPosition, int newPosition) {
+    CategoryInfo categoryInfo = categoryInfos.get(oldPosition);
+    categoryInfos.remove(oldPosition);
+    categoryInfos.add(newPosition, categoryInfo);
+    notifyItemMoved(oldPosition, newPosition);
+  }

-    private boolean isLastCheckedCategory(CategoryInfo categoryInfo) {
-        if (categoryInfo.isVisible()) {
-            for (CategoryInfo c : categoryInfos) {
-                if (c != categoryInfo && c.isVisible()) {
-                    return false;
-                }
-            }
+  private boolean isLastCheckedCategory(CategoryInfo categoryInfo) {
+    if (categoryInfo.isVisible()) {
+      for (CategoryInfo c : categoryInfos) {
+        if (c != categoryInfo && c.isVisible()) {
+          return false;
        }
-        return true;
+      }
    }
+    return true;
+  }

-    static class ViewHolder extends RecyclerView.ViewHolder {
-        private MaterialCheckBox checkBox;
-        private View dragView;
-        private TextView title;
+  static class ViewHolder extends RecyclerView.ViewHolder {
+    private MaterialCheckBox checkBox;
+    private View dragView;
+    private TextView title;

-        ViewHolder(View view) {
-            super(view);
-            checkBox = view.findViewById(R.id.checkbox);
-            checkBox.setButtonTintList(
-                    ColorStateList.valueOf(ThemeStore.Companion.accentColor(checkBox.getContext())));
-            title = view.findViewById(R.id.title);
-            dragView = view.findViewById(R.id.drag_view);
-        }
+    ViewHolder(View view) {
+      super(view);
+      checkBox = view.findViewById(R.id.checkbox);
+      checkBox.setButtonTintList(
+          ColorStateList.valueOf(ThemeStore.Companion.accentColor(checkBox.getContext())));
+      title = view.findViewById(R.id.title);
+      dragView = view.findViewById(R.id.drag_view);
    }
-}
+  }
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/ContributorAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/ContributorAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter

 import android.app.Activity
@ -59,6 +73,11 @@ class ContributorAdapter(
        return contributors.size
    }

+    fun swapData(it: List<Contributor>) {
+        contributors = it
+        notifyDataSetChanged()
+    }
+
    inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        val title: TextView = itemView.findViewById(R.id.title)
        val text: TextView = itemView.findViewById(R.id.text)
@ -68,7 +87,7 @@ class ContributorAdapter(
            title.text = contributor.name
            text.text = contributor.summary
            Glide.with(image.context)
-                .load(contributor.profileImage)
+                .load(contributor.image)
                .error(R.drawable.ic_account)
                .placeholder(R.drawable.ic_account)
                .dontAnimate()
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/GenreAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/GenreAdapter.kt
@ -1,6 +1,19 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter

-import android.graphics.Color
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@ -23,14 +36,12 @@ class GenreAdapter(
    var dataSet: List<Genre>,
    private val mItemLayoutRes: Int
 ) : RecyclerView.Adapter<GenreAdapter.ViewHolder>() {
-    val colors = listOf<Int>(Color.RED, Color.BLUE)
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        return ViewHolder(LayoutInflater.from(activity).inflate(mItemLayoutRes, parent, false))
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val genre = dataSet[position]
-
        holder.title?.text = genre.name
        holder.text?.text = String.format(
            Locale.getDefault(),
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/HomeAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/HomeAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter

 import android.view.LayoutInflater
@ -15,23 +29,23 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import code.name.monkey.appthemehelper.ThemeStore
 import code.name.monkey.appthemehelper.util.ColorUtil
-import com.bumptech.glide.Glide
-import com.google.android.material.card.MaterialCardView
 import io.github.muntashirakon.music.*
 import io.github.muntashirakon.music.adapter.album.AlbumAdapter
 import io.github.muntashirakon.music.adapter.artist.ArtistAdapter
 import io.github.muntashirakon.music.adapter.song.SongAdapter
 import io.github.muntashirakon.music.extensions.hide
-import io.github.muntashirakon.music.fragments.albums.AlbumClickListener
-import io.github.muntashirakon.music.fragments.artists.ArtistClickListener
 import io.github.muntashirakon.music.glide.SongGlideRequest
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
+import io.github.muntashirakon.music.interfaces.IAlbumClickListener
+import io.github.muntashirakon.music.interfaces.IArtistClickListener
 import io.github.muntashirakon.music.model.*
 import io.github.muntashirakon.music.util.PreferenceUtil
+import com.bumptech.glide.Glide
+import com.google.android.material.card.MaterialCardView

 class HomeAdapter(
    private val activity: AppCompatActivity
-) : RecyclerView.Adapter<RecyclerView.ViewHolder>(), ArtistClickListener, AlbumClickListener {
+) : RecyclerView.Adapter<RecyclerView.ViewHolder>(), IArtistClickListener, IAlbumClickListener {

    private var list = listOf<Home>()

@ -121,7 +135,6 @@ class HomeAdapter(
                viewHolder.bind(home)
            }
            PLAYLISTS -> {
-
            }
        }
    }
@ -181,7 +194,6 @@ class HomeAdapter(
                    .asBitmap()
                    .build()
                    .into(itemView.findViewById(id))
-
            }
        }
    }
@ -225,21 +237,22 @@ class HomeAdapter(
    }

    fun artistsAdapter(artists: List<Artist>) =
-        ArtistAdapter(activity, artists, PreferenceUtil.homeGridStyle, null, this)
+        ArtistAdapter(activity, artists, PreferenceUtil.homeArtistGridStyle, null, this)

    fun albumAdapter(albums: List<Album>) =
-        AlbumAdapter(activity, albums, R.layout.item_image, null, this)
+        AlbumAdapter(activity, albums, PreferenceUtil.homeAlbumGridStyle, null, this)

    fun gridLayoutManager() = GridLayoutManager(activity, 1, GridLayoutManager.HORIZONTAL, false)
+
    fun linearLayoutManager() = LinearLayoutManager(activity, LinearLayoutManager.HORIZONTAL, false)

-    override fun onArtist(artistId: Long, imageView: ImageView) {
+    override fun onArtist(artistId: Long, view: View) {
        activity.findNavController(R.id.fragment_container).navigate(
            R.id.artistDetailsFragment,
            bundleOf(EXTRA_ARTIST_ID to artistId),
            null,
            FragmentNavigatorExtras(
-                imageView to activity.getString(R.string.transition_album_art)
+                view to "artist"
            )
        )
    }
@ -250,7 +263,7 @@ class HomeAdapter(
            bundleOf(EXTRA_ALBUM_ID to albumId),
            null,
            FragmentNavigatorExtras(
-                view to activity.getString(R.string.transition_album_art)
+                view to "album"
            )
        )
    }
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/SearchAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/SearchAdapter.kt
@ -1,16 +1,32 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter

 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.core.os.bundleOf
+import androidx.core.view.isInvisible
+import androidx.core.view.isVisible
 import androidx.fragment.app.FragmentActivity
 import androidx.navigation.findNavController
 import androidx.recyclerview.widget.RecyclerView
 import code.name.monkey.appthemehelper.ThemeStore
-import com.bumptech.glide.Glide
 import io.github.muntashirakon.music.*
 import io.github.muntashirakon.music.adapter.base.MediaEntryViewHolder
+import io.github.muntashirakon.music.db.PlaylistWithSongs
 import io.github.muntashirakon.music.glide.AlbumGlideRequest
 import io.github.muntashirakon.music.glide.ArtistGlideRequest
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
@ -19,13 +35,15 @@ import io.github.muntashirakon.music.model.*
 import io.github.muntashirakon.music.model.smartplaylist.AbsSmartPlaylist
 import io.github.muntashirakon.music.repository.PlaylistSongsLoader
 import io.github.muntashirakon.music.util.MusicUtil
+import com.bumptech.glide.Glide
+import java.util.*

 class SearchAdapter(
    private val activity: FragmentActivity,
    private var dataSet: List<Any>
 ) : RecyclerView.Adapter<SearchAdapter.ViewHolder>() {

-    fun swapDataSet(dataSet: MutableList<Any>) {
+    fun swapDataSet(dataSet: List<Any>) {
        this.dataSet = dataSet
        notifyDataSetChanged()
    }
@ -34,7 +52,7 @@ class SearchAdapter(
        if (dataSet[position] is Album) return ALBUM
        if (dataSet[position] is Artist) return ARTIST
        if (dataSet[position] is Genre) return GENRE
-        if (dataSet[position] is Playlist) return PLAYLIST
+        if (dataSet[position] is PlaylistWithSongs) return PLAYLIST
        return if (dataSet[position] is Song) SONG else HEADER
    }

@ -56,42 +74,52 @@ class SearchAdapter(
    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        when (getItemViewType(position)) {
            ALBUM -> {
-                val album = dataSet.get(position) as Album
+                holder.imageTextContainer?.isVisible = true
+                val album = dataSet[position] as Album
                holder.title?.text = album.title
                holder.text?.text = album.artistName
                AlbumGlideRequest.Builder.from(Glide.with(activity), album.safeGetFirstSong())
                    .checkIgnoreMediaStore().build().into(holder.image)
            }
            ARTIST -> {
-                val artist = dataSet.get(position) as Artist
+                holder.imageTextContainer?.isVisible = true
+                val artist = dataSet[position] as Artist
                holder.title?.text = artist.name
                holder.text?.text = MusicUtil.getArtistInfoString(activity, artist)
                ArtistGlideRequest.Builder.from(Glide.with(activity), artist).build()
                    .into(holder.image)
            }
            SONG -> {
-                val song = dataSet.get(position) as Song
+                val song = dataSet[position] as Song
                holder.title?.text = song.title
                holder.text?.text = song.albumName
            }
            GENRE -> {
-                val genre = dataSet.get(position) as Genre
+                val genre = dataSet[position] as Genre
                holder.title?.text = genre.name
+                holder.text?.text = String.format(
+                    Locale.getDefault(),
+                    "%d %s",
+                    genre.songCount,
+                    if (genre.songCount > 1) activity.getString(R.string.songs) else activity.getString(
+                        R.string.song
+                    )
+                )
            }
            PLAYLIST -> {
-                val playlist = dataSet.get(position) as Playlist
-                holder.title?.text = playlist.name
-                holder.text?.text = MusicUtil.getPlaylistInfoString(activity, getSongs(playlist))
+                val playlist = dataSet[position] as PlaylistWithSongs
+                holder.title?.text = playlist.playlistEntity.playlistName
+                holder.text?.text = MusicUtil.playlistInfoString(activity, playlist.songs)
            }
            else -> {
-                holder.title?.text = dataSet.get(position).toString()
+                holder.title?.text = dataSet[position].toString()
                holder.title?.setTextColor(ThemeStore.accentColor(activity))
            }
        }
    }

-    private fun getSongs(playlist: Playlist): java.util.ArrayList<Song> {
-        val songs = java.util.ArrayList<Song>()
+    private fun getSongs(playlist: Playlist): List<Song> {
+        val songs = mutableListOf<Song>()
        if (playlist is AbsSmartPlaylist) {
            songs.addAll(playlist.getSongs())
        } else {
@ -107,7 +135,7 @@ class SearchAdapter(
    inner class ViewHolder(itemView: View, itemViewType: Int) : MediaEntryViewHolder(itemView) {
        init {
            itemView.setOnLongClickListener(null)
-
+            imageTextContainer?.isInvisible = true
            if (itemViewType == SONG) {
                menu?.visibility = View.VISIBLE
                menu?.setOnClickListener(object : SongMenuHelper.OnClickSongMenu(activity) {
@ -151,12 +179,12 @@ class SearchAdapter(
                }
                PLAYLIST -> {
                    activity.findNavController(R.id.fragment_container).navigate(
-                        R.id.artistDetailsFragment,
-                        bundleOf(EXTRA_PLAYLIST to (item as Playlist))
+                        R.id.playlistDetailsFragment,
+                        bundleOf(EXTRA_PLAYLIST to (item as PlaylistWithSongs))
                    )
                }
                SONG -> {
-                    val playList = ArrayList<Song>()
+                    val playList = mutableListOf<Song>()
                    playList.add(item as Song)
                    MusicPlayerRemote.openQueue(playList, 0, true)
                }
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/SongFileAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/SongFileAdapter.kt
@ -1,17 +1,16 @@
 /*
- * Copyright 2019 Google LLC
+ * Copyright (c) 2020 Hemanth Savarla.
 *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+ * Licensed under the GNU General Public License v3
 *
- *     https://www.apache.org/licenses/LICENSE-2.0
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
 *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
 */
 package io.github.muntashirakon.music.adapter

@ -22,31 +21,31 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import code.name.monkey.appthemehelper.util.ATHUtil
-import com.bumptech.glide.Glide
-import com.bumptech.glide.load.engine.DiskCacheStrategy
-import com.bumptech.glide.signature.MediaStoreSignature
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.adapter.base.AbsMultiSelectAdapter
 import io.github.muntashirakon.music.adapter.base.MediaEntryViewHolder
 import io.github.muntashirakon.music.glide.audiocover.AudioFileCover
-import io.github.muntashirakon.music.interfaces.CabHolder
-import io.github.muntashirakon.music.interfaces.Callbacks
+import io.github.muntashirakon.music.interfaces.ICabHolder
+import io.github.muntashirakon.music.interfaces.ICallbacks
 import io.github.muntashirakon.music.util.MusicUtil
 import io.github.muntashirakon.music.util.RetroUtil
-import me.zhanghai.android.fastscroll.PopupTextProvider
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import com.bumptech.glide.signature.MediaStoreSignature
 import java.io.File
 import java.text.DecimalFormat
 import kotlin.math.log10
 import kotlin.math.pow
+import me.zhanghai.android.fastscroll.PopupTextProvider

 class SongFileAdapter(
    private val activity: AppCompatActivity,
    private var dataSet: List<File>,
    private val itemLayoutRes: Int,
-    private val callbacks: Callbacks?,
-    cabHolder: CabHolder?
+    private val ICallbacks: ICallbacks?,
+    ICabHolder: ICabHolder?
 ) : AbsMultiSelectAdapter<SongFileAdapter.ViewHolder, File>(
-    activity, cabHolder, R.menu.menu_media_selection
+    activity, ICabHolder, R.menu.menu_media_selection
 ), PopupTextProvider {

    init {
@ -136,8 +135,8 @@ class SongFileAdapter(
    }

    override fun onMultipleItemAction(menuItem: MenuItem, selection: List<File>) {
-        if (callbacks == null) return
-        callbacks.onMultipleItemAction(menuItem, selection as ArrayList<File>)
+        if (ICallbacks == null) return
+        ICallbacks.onMultipleItemAction(menuItem, selection as ArrayList<File>)
    }

    override fun getPopupText(position: Int): String {
@ -148,15 +147,14 @@ class SongFileAdapter(
        return MusicUtil.getSectionName(dataSet[position].name)
    }

-
    inner class ViewHolder(itemView: View) : MediaEntryViewHolder(itemView) {

        init {
-            if (menu != null && callbacks != null) {
+            if (menu != null && ICallbacks != null) {
                menu?.setOnClickListener { v ->
                    val position = layoutPosition
                    if (isPositionInRange(position)) {
-                        callbacks.onFileMenuClicked(dataSet[position], v)
+                        ICallbacks.onFileMenuClicked(dataSet[position], v)
                    }
                }
            }
@ -171,7 +169,7 @@ class SongFileAdapter(
                if (isInQuickSelectMode) {
                    toggleChecked(position)
                } else {
-                    callbacks?.onFileSelected(dataSet[position])
+                    ICallbacks?.onFileSelected(dataSet[position])
                }
            }
        }
@ -198,4 +196,4 @@ class SongFileAdapter(
            return DecimalFormat("#,##0.##").format(size / 1024.0.pow(digitGroups.toDouble())) + " " + units[digitGroups]
        }
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/TranslatorsAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/TranslatorsAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter

 import android.app.Activity
@ -49,4 +63,4 @@ class TranslatorsAdapter(
            image.hide()
        }
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/album/AlbumAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/album/AlbumAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.album

 import android.content.res.ColorStateList
@ -6,7 +20,23 @@ import android.view.LayoutInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.ViewCompat
 import androidx.fragment.app.FragmentActivity
+import io.github.muntashirakon.music.R
+import io.github.muntashirakon.music.adapter.base.AbsMultiSelectAdapter
+import io.github.muntashirakon.music.adapter.base.MediaEntryViewHolder
+import io.github.muntashirakon.music.glide.AlbumGlideRequest
+import io.github.muntashirakon.music.glide.RetroMusicColoredTarget
+import io.github.muntashirakon.music.helper.MusicPlayerRemote
+import io.github.muntashirakon.music.helper.SortOrder
+import io.github.muntashirakon.music.helper.menu.SongsMenuHelper
+import io.github.muntashirakon.music.interfaces.IAlbumClickListener
+import io.github.muntashirakon.music.interfaces.ICabHolder
+import io.github.muntashirakon.music.model.Album
+import io.github.muntashirakon.music.model.Song
+import io.github.muntashirakon.music.util.MusicUtil
+import io.github.muntashirakon.music.util.PreferenceUtil
+import io.github.muntashirakon.music.util.color.MediaNotificationProcessor
 import com.bumptech.glide.Glide
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.adapter.base.AbsMultiSelectAdapter
@ -29,11 +59,11 @@ open class AlbumAdapter(
    protected val activity: FragmentActivity,
    var dataSet: List<Album>,
    protected var itemLayoutRes: Int,
-    cabHolder: CabHolder?,
-    private val albumClickListener: AlbumClickListener?
+    ICabHolder: ICabHolder?,
+    private val albumClickListener: IAlbumClickListener?
 ) : AbsMultiSelectAdapter<AlbumAdapter.ViewHolder, Album>(
    activity,
-    cabHolder,
+    ICabHolder,
    R.menu.menu_media_selection
 ), PopupTextProvider {

@ -75,7 +105,7 @@ open class AlbumAdapter(
        holder.title?.text = getAlbumTitle(album)
        holder.text?.text = getAlbumText(album)
        holder.playSongs?.setOnClickListener {
-            album.songs?.let { songs ->
+            album.songs.let { songs ->
                MusicPlayerRemote.openQueue(
                    songs,
                    0,
@ -116,7 +146,7 @@ open class AlbumAdapter(
    }

    override fun getItemId(position: Int): Long {
-        return dataSet[position].id.toLong()
+        return dataSet[position].id
    }

    override fun getIdentifier(position: Int): Album? {
@ -128,7 +158,8 @@ open class AlbumAdapter(
    }

    override fun onMultipleItemAction(
-        menuItem: MenuItem, selection: List<Album>
+        menuItem: MenuItem,
+        selection: List<Album>
    ) {
        SongsMenuHelper.handleMenuClick(activity, getSongList(selection), menuItem.itemId)
    }
@ -161,7 +192,7 @@ open class AlbumAdapter(
    inner class ViewHolder(itemView: View) : MediaEntryViewHolder(itemView) {

        init {
-            setImageTransitionName(activity.getString(R.string.transition_album_art))
+            setImageTransitionName("Album")
            menu?.visibility = View.GONE
        }

@ -170,6 +201,7 @@ open class AlbumAdapter(
            if (isInQuickSelectMode) {
                toggleChecked(layoutPosition)
            } else {
+                ViewCompat.setTransitionName(itemView, "album")
                albumClickListener?.onAlbumClick(dataSet[layoutPosition].id, itemView)
            }
        }
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/album/AlbumCoverPagerAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/album/AlbumCoverPagerAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.album

 import android.os.Bundle
@ -5,6 +19,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
+import androidx.core.view.ViewCompat
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.lifecycle.lifecycleScope
@ -88,9 +103,9 @@ class AlbumCoverPagerAdapter(
            savedInstanceState: Bundle?
        ): View? {
            val view = inflater.inflate(getLayoutWithPlayerTheme(), container, false)
+            ViewCompat.setTransitionName(view, "lyrics")
            albumCover = view.findViewById(R.id.player_image)
-            albumCover.setOnClickListener {
-                //LyricsDialog().show(childFragmentManager, "LyricsDialog")
+            view.setOnClickListener {
                showLyricsDialog()
            }
            return view
@ -98,14 +113,14 @@ class AlbumCoverPagerAdapter(

        private fun showLyricsDialog() {
            lifecycleScope.launch(Dispatchers.IO) {
-                val data: String = MusicUtil.getLyrics(song) ?: "No lyrics found"
+                val data: String? = MusicUtil.getLyrics(song)
                withContext(Dispatchers.Main) {
                    MaterialAlertDialogBuilder(
                        requireContext(),
                        R.style.ThemeOverlay_MaterialComponents_Dialog_Alert
                    ).apply {
                        setTitle(song.title)
-                        setMessage(data)
+                        setMessage(if (data.isNullOrEmpty()) "No lyrics found" else data)
                        setNegativeButton(R.string.synced_lyrics) { _, _ ->
                            NavigationUtil.goToLyrics(requireActivity())
                        }
@ -197,4 +212,3 @@ class AlbumCoverPagerAdapter(
        val TAG: String = AlbumCoverPagerAdapter::class.java.simpleName
    }
 }
-
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/album/HorizontalAlbumAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/album/HorizontalAlbumAdapter.kt
@ -1,13 +1,27 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.album

 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentActivity
-import io.github.muntashirakon.music.fragments.albums.AlbumClickListener
 import io.github.muntashirakon.music.glide.AlbumGlideRequest
 import io.github.muntashirakon.music.glide.RetroMusicColoredTarget
 import io.github.muntashirakon.music.helper.HorizontalAdapterHelper
-import io.github.muntashirakon.music.interfaces.CabHolder
+import io.github.muntashirakon.music.interfaces.IAlbumClickListener
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.Album
 import io.github.muntashirakon.music.util.MusicUtil
 import io.github.muntashirakon.music.util.color.MediaNotificationProcessor
@ -16,10 +30,10 @@ import com.bumptech.glide.Glide
 class HorizontalAlbumAdapter(
    activity: FragmentActivity,
    dataSet: List<Album>,
-    cabHolder: CabHolder?,
-    albumClickListener: AlbumClickListener
+    ICabHolder: ICabHolder?,
+    albumClickListener: IAlbumClickListener
 ) : AlbumAdapter(
-    activity, dataSet, HorizontalAdapterHelper.LAYOUT_RES, cabHolder, albumClickListener
+    activity, dataSet, HorizontalAdapterHelper.LAYOUT_RES, ICabHolder, albumClickListener
 ) {

    override fun createViewHolder(view: View, viewType: Int): ViewHolder {
@ -29,8 +43,8 @@ class HorizontalAlbumAdapter(
    }

    override fun setColors(color: MediaNotificationProcessor, holder: ViewHolder) {
-        //holder.title?.setTextColor(ATHUtil.resolveColor(activity, android.R.attr.textColorPrimary))
-        //holder.text?.setTextColor(ATHUtil.resolveColor(activity, android.R.attr.textColorSecondary))
+        // holder.title?.setTextColor(ATHUtil.resolveColor(activity, android.R.attr.textColorPrimary))
+        // holder.text?.setTextColor(ATHUtil.resolveColor(activity, android.R.attr.textColorSecondary))
    }

    override fun loadAlbumCover(album: Album, holder: ViewHolder) {
@ -51,7 +65,7 @@ class HorizontalAlbumAdapter(
    }

    override fun getItemViewType(position: Int): Int {
-        return HorizontalAdapterHelper.getItemViewtype(position, itemCount)
+        return HorizontalAdapterHelper.getItemViewType(position, itemCount)
    }

    override fun getItemCount(): Int {
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/artist/ArtistAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/artist/ArtistAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.artist

 import android.content.res.ColorStateList
@ -8,31 +22,31 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.core.view.ViewCompat
 import androidx.fragment.app.FragmentActivity
-import com.bumptech.glide.Glide
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.adapter.base.AbsMultiSelectAdapter
 import io.github.muntashirakon.music.adapter.base.MediaEntryViewHolder
 import io.github.muntashirakon.music.extensions.hide
-import io.github.muntashirakon.music.fragments.artists.ArtistClickListener
 import io.github.muntashirakon.music.glide.ArtistGlideRequest
 import io.github.muntashirakon.music.glide.RetroMusicColoredTarget
 import io.github.muntashirakon.music.helper.menu.SongsMenuHelper
-import io.github.muntashirakon.music.interfaces.CabHolder
+import io.github.muntashirakon.music.interfaces.IArtistClickListener
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.Artist
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.util.MusicUtil
 import io.github.muntashirakon.music.util.color.MediaNotificationProcessor
-import me.zhanghai.android.fastscroll.PopupTextProvider
+import com.bumptech.glide.Glide
 import java.util.*
+import me.zhanghai.android.fastscroll.PopupTextProvider

 class ArtistAdapter(
    val activity: FragmentActivity,
    var dataSet: List<Artist>,
    var itemLayoutRes: Int,
-    cabHolder: CabHolder?,
-    private val artistClickListener: ArtistClickListener
+    val ICabHolder: ICabHolder?,
+    val IArtistClickListener: IArtistClickListener
 ) : AbsMultiSelectAdapter<ArtistAdapter.ViewHolder, Artist>(
-    activity, cabHolder, R.menu.menu_media_selection
+    activity, ICabHolder, R.menu.menu_media_selection
 ), PopupTextProvider {

    init {
@ -45,7 +59,7 @@ class ArtistAdapter(
    }

    override fun getItemId(position: Int): Long {
-        return dataSet[position].id.toLong()
+        return dataSet[position].id
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
@ -107,7 +121,8 @@ class ArtistAdapter(
    }

    override fun onMultipleItemAction(
-        menuItem: MenuItem, selection: List<Artist>
+        menuItem: MenuItem,
+        selection: List<Artist>
    ) {
        SongsMenuHelper.handleMenuClick(activity, getSongList(selection), menuItem.itemId)
    }
@ -140,11 +155,8 @@ class ArtistAdapter(
                toggleChecked(layoutPosition)
            } else {
                image?.let {
-                    ViewCompat.setTransitionName(
-                        it,
-                        activity.getString(R.string.transition_artist_image)
-                    )
-                    artistClickListener.onArtist(dataSet[layoutPosition].id, it)
+                    ViewCompat.setTransitionName(itemView, "album")
+                    IArtistClickListener.onArtist(dataSet[layoutPosition].id, itemView)
                }
            }
        }
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/base/AbsMultiSelectAdapter.java
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/base/AbsMultiSelectAdapter.java
@ -3,132 +3,127 @@ package io.github.muntashirakon.music.adapter.base;
 import android.content.Context;
 import android.view.Menu;
 import android.view.MenuItem;
-
 import androidx.annotation.MenuRes;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;
-
+import io.github.muntashirakon.music.R;
+import io.github.muntashirakon.music.interfaces.ICabHolder;
 import com.afollestad.materialcab.MaterialCab;
-
 import java.util.ArrayList;
 import java.util.List;

-import io.github.muntashirakon.music.R;
-import io.github.muntashirakon.music.interfaces.CabHolder;
+public abstract class AbsMultiSelectAdapter<V extends RecyclerView.ViewHolder, I>
+    extends RecyclerView.Adapter<V> implements MaterialCab.Callback {

+  @Nullable private final ICabHolder ICabHolder;
+  private final Context context;
+  private MaterialCab cab;
+  private List<I> checked;
+  private int menuRes;

-public abstract class AbsMultiSelectAdapter<V extends RecyclerView.ViewHolder, I> extends RecyclerView.Adapter<V>
-        implements MaterialCab.Callback {
+  public AbsMultiSelectAdapter(
+      @NonNull Context context, @Nullable ICabHolder ICabHolder, @MenuRes int menuRes) {
+    this.ICabHolder = ICabHolder;
+    checked = new ArrayList<>();
+    this.menuRes = menuRes;
+    this.context = context;
+  }

-    @Nullable
-    private final CabHolder cabHolder;
-    private final Context context;
-    private MaterialCab cab;
-    private List<I> checked;
-    private int menuRes;
+  @Override
+  public boolean onCabCreated(MaterialCab materialCab, Menu menu) {
+    return true;
+  }

-    public AbsMultiSelectAdapter(@NonNull Context context, @Nullable CabHolder cabHolder, @MenuRes int menuRes) {
-        this.cabHolder = cabHolder;
-        checked = new ArrayList<>();
-        this.menuRes = menuRes;
-        this.context = context;
+  @Override
+  public boolean onCabFinished(MaterialCab materialCab) {
+    clearChecked();
+    return true;
+  }
+
+  @Override
+  public boolean onCabItemClicked(MenuItem menuItem) {
+    if (menuItem.getItemId() == R.id.action_multi_select_adapter_check_all) {
+      checkAll();
+    } else {
+      onMultipleItemAction(menuItem, new ArrayList<>(checked));
+      cab.finish();
+      clearChecked();
    }
+    return true;
+  }

-    @Override
-    public boolean onCabCreated(MaterialCab materialCab, Menu menu) {
-        return true;
-    }
-
-    @Override
-    public boolean onCabFinished(MaterialCab materialCab) {
-        clearChecked();
-        return true;
-    }
-
-    @Override
-    public boolean onCabItemClicked(MenuItem menuItem) {
-        if (menuItem.getItemId() == R.id.action_multi_select_adapter_check_all) {
-            checkAll();
-        } else {
-            onMultipleItemAction(menuItem, new ArrayList<>(checked));
-            cab.finish();
-            clearChecked();
+  protected void checkAll() {
+    if (ICabHolder != null) {
+      checked.clear();
+      for (int i = 0; i < getItemCount(); i++) {
+        I identifier = getIdentifier(i);
+        if (identifier != null) {
+          checked.add(identifier);
        }
-        return true;
+      }
+      notifyDataSetChanged();
+      updateCab();
    }
+  }

-    protected void checkAll() {
-        if (cabHolder != null) {
-            checked.clear();
-            for (int i = 0; i < getItemCount(); i++) {
-                I identifier = getIdentifier(i);
-                if (identifier != null) {
-                    checked.add(identifier);
-                }
-            }
-            notifyDataSetChanged();
-            updateCab();
-        }
-    }
+  @Nullable
+  protected abstract I getIdentifier(int position);

-    @Nullable
-    protected abstract I getIdentifier(int position);
+  protected String getName(I object) {
+    return object.toString();
+  }

-    protected String getName(I object) {
-        return object.toString();
-    }
+  protected boolean isChecked(I identifier) {
+    return checked.contains(identifier);
+  }

-    protected boolean isChecked(I identifier) {
-        return checked.contains(identifier);
-    }
+  protected boolean isInQuickSelectMode() {
+    return cab != null && cab.isActive();
+  }

-    protected boolean isInQuickSelectMode() {
-        return cab != null && cab.isActive();
-    }
+  protected abstract void onMultipleItemAction(MenuItem menuItem, List<I> selection);

-    protected abstract void onMultipleItemAction(MenuItem menuItem, List<I> selection);
+  protected void setMultiSelectMenuRes(@MenuRes int menuRes) {
+    this.menuRes = menuRes;
+  }

-    protected void setMultiSelectMenuRes(@MenuRes int menuRes) {
-        this.menuRes = menuRes;
-    }
-
-    protected boolean toggleChecked(final int position) {
-        if (cabHolder != null) {
-            I identifier = getIdentifier(position);
-            if (identifier == null) {
-                return false;
-            }
-
-            if (!checked.remove(identifier)) {
-                checked.add(identifier);
-            }
-
-            notifyItemChanged(position);
-            updateCab();
-            return true;
-        }
+  protected boolean toggleChecked(final int position) {
+    if (ICabHolder != null) {
+      I identifier = getIdentifier(position);
+      if (identifier == null) {
        return false;
-    }
+      }

-    private void clearChecked() {
-        checked.clear();
-        notifyDataSetChanged();
-    }
+      if (!checked.remove(identifier)) {
+        checked.add(identifier);
+      }

-    private void updateCab() {
-        if (cabHolder != null) {
-            if (cab == null || !cab.isActive()) {
-                cab = cabHolder.openCab(menuRes, this);
-            }
-            final int size = checked.size();
-            if (size <= 0) {
-                cab.finish();
-            } else if (size == 1) {
-                cab.setTitle(getName(checked.get(0)));
-            } else {
-                cab.setTitle(context.getString(R.string.x_selected, size));
-            }
-        }
+      notifyItemChanged(position);
+      updateCab();
+      return true;
    }
+    return false;
+  }
+
+  private void clearChecked() {
+    checked.clear();
+    notifyDataSetChanged();
+  }
+
+  private void updateCab() {
+    if (ICabHolder != null) {
+      if (cab == null || !cab.isActive()) {
+        cab = ICabHolder.openCab(menuRes, this);
+      }
+      final int size = checked.size();
+      if (size <= 0) {
+        cab.finish();
+      } else if (size == 1) {
+        cab.setTitle(getName(checked.get(0)));
+      } else {
+        cab.setTitle(context.getString(R.string.x_selected, size));
+      }
+    }
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/base/MediaEntryViewHolder.java
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/base/MediaEntryViewHolder.java
@ -16,126 +16,104 @@ package io.github.muntashirakon.music.adapter.base;

 import android.graphics.Color;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.TextView;
-
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;
-
+import io.github.muntashirakon.music.R;
 import com.google.android.material.card.MaterialCardView;
 import com.h6ah4i.android.widget.advrecyclerview.utils.AbstractDraggableSwipeableItemViewHolder;

-import io.github.muntashirakon.music.R;
-
 public class MediaEntryViewHolder extends AbstractDraggableSwipeableItemViewHolder
-        implements View.OnLongClickListener, View.OnClickListener {
+    implements View.OnLongClickListener, View.OnClickListener {

-    @Nullable
-    public View dragView;
+  @Nullable public View dragView;

-    @Nullable
-    public View dummyContainer;
+  @Nullable public View dummyContainer;

-    @Nullable
-    public ImageView image;
-    @Nullable
-    public ImageView artistImage;
+  @Nullable public ImageView image;

-    @Nullable
-    public ImageView playerImage;
+  @Nullable public ImageView artistImage;

-    @Nullable
-    public ViewGroup imageContainer;
+  @Nullable public ImageView playerImage;

-    @Nullable
-    public MaterialCardView imageContainerCard;
+  @Nullable public MaterialCardView imageContainerCard;

-    @Nullable
-    public TextView imageText;
+  @Nullable public TextView imageText;

-    @Nullable
-    public MaterialCardView imageTextContainer;
+  @Nullable public MaterialCardView imageTextContainer;

-    @Nullable
-    public View mask;
+  @Nullable public View mask;

-    @Nullable
-    public View menu;
+  @Nullable public View menu;

-    @Nullable
-    public View paletteColorContainer;
+  @Nullable public View paletteColorContainer;

-    @Nullable
-    public ImageButton playSongs;
+  @Nullable public ImageButton playSongs;

-    @Nullable
-    public RecyclerView recyclerView;
+  @Nullable public RecyclerView recyclerView;

-    @Nullable
-    public TextView text;
+  @Nullable public TextView text;

-    @Nullable
-    public TextView time;
+  @Nullable public TextView text2;

-    @Nullable
-    public TextView title;
+  @Nullable public TextView time;

-    public MediaEntryViewHolder(@NonNull View itemView) {
-        super(itemView);
-        title = itemView.findViewById(R.id.title);
-        text = itemView.findViewById(R.id.text);
+  @Nullable public TextView title;

-        image = itemView.findViewById(R.id.image);
-        artistImage = itemView.findViewById(R.id.artistImage);
-        playerImage = itemView.findViewById(R.id.player_image);
-        time = itemView.findViewById(R.id.time);
+  public MediaEntryViewHolder(@NonNull View itemView) {
+    super(itemView);
+    title = itemView.findViewById(R.id.title);
+    text = itemView.findViewById(R.id.text);
+    text2 = itemView.findViewById(R.id.text2);

-        imageText = itemView.findViewById(R.id.imageText);
-        imageContainer = itemView.findViewById(R.id.imageContainer);
-        imageTextContainer = itemView.findViewById(R.id.imageTextContainer);
-        imageContainerCard = itemView.findViewById(R.id.imageContainerCard);
+    image = itemView.findViewById(R.id.image);
+    artistImage = itemView.findViewById(R.id.artistImage);
+    playerImage = itemView.findViewById(R.id.player_image);
+    time = itemView.findViewById(R.id.time);

-        menu = itemView.findViewById(R.id.menu);
-        dragView = itemView.findViewById(R.id.drag_view);
-        paletteColorContainer = itemView.findViewById(R.id.paletteColorContainer);
-        recyclerView = itemView.findViewById(R.id.recycler_view);
-        mask = itemView.findViewById(R.id.mask);
-        playSongs = itemView.findViewById(R.id.playSongs);
-        dummyContainer = itemView.findViewById(R.id.dummy_view);
+    imageText = itemView.findViewById(R.id.imageText);
+    imageTextContainer = itemView.findViewById(R.id.imageTextContainer);
+    imageContainerCard = itemView.findViewById(R.id.imageContainerCard);

-        if (imageContainerCard != null) {
-            imageContainerCard.setCardBackgroundColor(Color.TRANSPARENT);
-        }
-        itemView.setOnClickListener(this);
-        itemView.setOnLongClickListener(this);
+    menu = itemView.findViewById(R.id.menu);
+    dragView = itemView.findViewById(R.id.drag_view);
+    paletteColorContainer = itemView.findViewById(R.id.paletteColorContainer);
+    recyclerView = itemView.findViewById(R.id.recycler_view);
+    mask = itemView.findViewById(R.id.mask);
+    playSongs = itemView.findViewById(R.id.playSongs);
+    dummyContainer = itemView.findViewById(R.id.dummy_view);
+
+    if (imageContainerCard != null) {
+      imageContainerCard.setCardBackgroundColor(Color.TRANSPARENT);
    }
+    itemView.setOnClickListener(this);
+    itemView.setOnLongClickListener(this);
+  }

-    @Nullable
-    @Override
-    public View getSwipeableContainerView() {
-        return null;
-    }
-
-    @Override
-    public void onClick(View v) {
-
-    }
-
-    @Override
-    public boolean onLongClick(View v) {
-        return false;
-    }
-
-    public void setImageTransitionName(@NonNull String transitionName) {
-        itemView.setTransitionName(transitionName);
-        /* if (imageContainerCard != null) {
-            imageContainerCard.setTransitionName(transitionName);
-        }
-        if (image != null) {
-            image.setTransitionName(transitionName);
-        }*/
+  @Nullable
+  @Override
+  public View getSwipeableContainerView() {
+    return null;
+  }
+
+  @Override
+  public void onClick(View v) {}
+
+  @Override
+  public boolean onLongClick(View v) {
+    return false;
+  }
+
+  public void setImageTransitionName(@NonNull String transitionName) {
+    itemView.setTransitionName(transitionName);
+    /* if (imageContainerCard != null) {
+        imageContainerCard.setTransitionName(transitionName);
    }
+    if (image != null) {
+        image.setTransitionName(transitionName);
+    }*/
+  }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/playlist/LegacyPlaylistAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/playlist/LegacyPlaylistAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.playlist

 import android.view.LayoutInflater
@ -49,4 +63,4 @@ class LegacyPlaylistAdapter(
    interface PlaylistClickListener {
        fun onPlaylistClick(playlist: Playlist)
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/playlist/PlaylistAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/playlist/PlaylistAdapter.kt
@ -1,21 +1,32 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.playlist

-import android.graphics.Bitmap
 import android.graphics.Color
 import android.graphics.drawable.Drawable
-import android.os.AsyncTask
 import android.text.TextUtils
 import android.view.LayoutInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.widget.PopupMenu
-import androidx.core.os.bundleOf
+import androidx.core.view.ViewCompat
 import androidx.fragment.app.FragmentActivity
-import androidx.navigation.findNavController
+import androidx.lifecycle.lifecycleScope
 import code.name.monkey.appthemehelper.util.ATHUtil
 import code.name.monkey.appthemehelper.util.TintHelper
-import io.github.muntashirakon.music.EXTRA_PLAYLIST
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.adapter.base.AbsMultiSelectAdapter
 import io.github.muntashirakon.music.adapter.base.MediaEntryViewHolder
@ -27,22 +38,25 @@ import io.github.muntashirakon.music.extensions.hide
 import io.github.muntashirakon.music.extensions.show
 import io.github.muntashirakon.music.helper.menu.PlaylistMenuHelper
 import io.github.muntashirakon.music.helper.menu.SongsMenuHelper
-import io.github.muntashirakon.music.interfaces.CabHolder
-import io.github.muntashirakon.music.model.Playlist
+import io.github.muntashirakon.music.interfaces.ICabHolder
+import io.github.muntashirakon.music.interfaces.IPlaylistClickListener
 import io.github.muntashirakon.music.model.Song
-import io.github.muntashirakon.music.repository.PlaylistSongsLoader
 import io.github.muntashirakon.music.util.AutoGeneratedPlaylistBitmap
 import io.github.muntashirakon.music.util.MusicUtil
-import io.github.muntashirakon.music.util.RetroColorUtil
+import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext

 class PlaylistAdapter(
    private val activity: FragmentActivity,
-    var dataSet: List<PlaylistWithSongs>,
+    private var dataSet: List<PlaylistWithSongs>,
    private var itemLayoutRes: Int,
-    cabHolder: CabHolder?
+    ICabHolder: ICabHolder?,
+    private val listener: IPlaylistClickListener
 ) : AbsMultiSelectAdapter<PlaylistAdapter.ViewHolder, PlaylistWithSongs>(
    activity,
-    cabHolder,
+    ICabHolder,
    R.menu.menu_playlists_selection
 ) {

@ -56,7 +70,7 @@ class PlaylistAdapter(
    }

    override fun getItemId(position: Int): Long {
-        return dataSet[position].playlistEntity.playListId.toLong()
+        return dataSet[position].playlistEntity.playListId
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
@ -88,7 +102,7 @@ class PlaylistAdapter(
        } else {
            holder.menu?.show()
        }
-        //PlaylistBitmapLoader(this, holder, playlist).execute()
+        //playlistBitmapLoader(activity, holder, playlist)
    }

    private fun getIconRes(): Drawable = TintHelper.createTintedDrawable(
@ -158,10 +172,8 @@ class PlaylistAdapter(
            if (isInQuickSelectMode) {
                toggleChecked(layoutPosition)
            } else {
-                activity.findNavController(R.id.fragment_container).navigate(
-                    R.id.playlistDetailsFragment,
-                    bundleOf(EXTRA_PLAYLIST to dataSet[layoutPosition])
-                )
+                ViewCompat.setTransitionName(itemView, "playlist")
+                listener.onPlaylistClick(dataSet[layoutPosition], itemView)
            }
        }

@ -171,28 +183,35 @@ class PlaylistAdapter(
        }
    }

-    class PlaylistBitmapLoader(
-        private var adapter: PlaylistAdapter,
-        private var viewHolder: ViewHolder,
-        private var playlist: Playlist
-    ) : AsyncTask<Void, Void, Bitmap>() {
+    private fun playlistBitmapLoader(
+        activity: FragmentActivity,
+        viewHolder: ViewHolder,
+        playlist: PlaylistWithSongs
+    ) {

-        override fun doInBackground(vararg params: Void?): Bitmap {
-            val songs = PlaylistSongsLoader.getPlaylistSongList(adapter.activity, playlist)
-            return AutoGeneratedPlaylistBitmap.getBitmap(adapter.activity, songs, false, false)
+        activity.lifecycleScope.launch(IO) {
+            val songs = playlist.songs.toSongs()
+            val bitmap = AutoGeneratedPlaylistBitmap.getBitmap(activity, songs, false, false)
+            withContext(Main) { viewHolder.image?.setImageBitmap(bitmap) }
        }

-        override fun onPostExecute(result: Bitmap?) {
-            super.onPostExecute(result)
-            viewHolder.image?.setImageBitmap(result)
-            val color = RetroColorUtil.getColor(
-                RetroColorUtil.generatePalette(
-                    result
-                ),
-                ATHUtil.resolveColor(adapter.activity, R.attr.colorSurface)
-            )
-            viewHolder.paletteColorContainer?.setBackgroundColor(color)
-        }
+        /*
+          override fun doInBackground(vararg params: Void?): Bitmap {
+              val songs = playlist.songs.toSongs()
+              return AutoGeneratedPlaylistBitmap.getBitmap(activity, songs, false, false)
+          }
+
+          override fun onPostExecute(result: Bitmap?) {
+              super.onPostExecute(result)
+              viewHolder.image?.setImageBitmap(result)
+              val color = RetroColorUtil.getColor(
+                  RetroColorUtil.generatePalette(
+                      result
+                  ),
+                  ATHUtil.resolveColor(activity, R.attr.colorSurface)
+              )
+              viewHolder.paletteColorContainer?.setBackgroundColor(color)
+          }*/
    }

    companion object {
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/song/AbsOffsetSongAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/song/AbsOffsetSongAdapter.kt
@ -1,21 +1,35 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.song

 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.LayoutRes
-import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.FragmentActivity
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
-import io.github.muntashirakon.music.interfaces.CabHolder
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.Song

 abstract class AbsOffsetSongAdapter(
-    activity: AppCompatActivity,
+    activity: FragmentActivity,
    dataSet: MutableList<Song>,
    @LayoutRes itemLayoutRes: Int,
-    cabHolder: CabHolder?
-) : SongAdapter(activity, dataSet, itemLayoutRes, cabHolder) {
+    ICabHolder: ICabHolder?
+) : SongAdapter(activity, dataSet, itemLayoutRes, ICabHolder) {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SongAdapter.ViewHolder {
        if (viewType == OFFSET_ITEM) {
@ -76,4 +90,4 @@ abstract class AbsOffsetSongAdapter(
        const val OFFSET_ITEM = 0
        const val SONG = 1
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/song/OrderablePlaylistSongAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/song/OrderablePlaylistSongAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.song

 import android.view.MenuItem
@ -9,7 +23,7 @@ import io.github.muntashirakon.music.db.PlaylistEntity
 import io.github.muntashirakon.music.db.toSongEntity
 import io.github.muntashirakon.music.db.toSongs
 import io.github.muntashirakon.music.dialogs.RemoveSongFromPlaylistDialog
-import io.github.muntashirakon.music.interfaces.CabHolder
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.PlaylistSong
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.util.ViewUtil
@ -23,13 +37,13 @@ class OrderablePlaylistSongAdapter(
    activity: FragmentActivity,
    dataSet: ArrayList<Song>,
    itemLayoutRes: Int,
-    cabHolder: CabHolder?,
+    ICabHolder: ICabHolder?,
    private val onMoveItemListener: OnMoveItemListener?
 ) : SongAdapter(
    activity,
    dataSet,
    itemLayoutRes,
-    cabHolder
+    ICabHolder
 ), DraggableItemAdapter<OrderablePlaylistSongAdapter.ViewHolder> {

    init {
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/song/PlayingQueueAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/song/PlayingQueueAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.song

 import android.view.MenuItem
@ -5,6 +19,8 @@ import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.FragmentActivity
 import io.github.muntashirakon.music.R
+import io.github.muntashirakon.music.glide.RetroMusicColoredTarget
+import io.github.muntashirakon.music.glide.SongGlideRequest
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
 import io.github.muntashirakon.music.helper.MusicPlayerRemote.isPlaying
 import io.github.muntashirakon.music.helper.MusicPlayerRemote.playNextSong
@ -12,6 +28,8 @@ import io.github.muntashirakon.music.helper.MusicPlayerRemote.removeFromQueue
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.util.MusicUtil
 import io.github.muntashirakon.music.util.ViewUtil
+import io.github.muntashirakon.music.util.color.MediaNotificationProcessor
+import com.bumptech.glide.Glide
 import com.h6ah4i.android.widget.advrecyclerview.draggable.DraggableItemAdapter
 import com.h6ah4i.android.widget.advrecyclerview.draggable.ItemDraggableRange
 import com.h6ah4i.android.widget.advrecyclerview.draggable.annotation.DraggableItemStateFlags
@ -41,8 +59,8 @@ class PlayingQueueAdapter(

    override fun onBindViewHolder(holder: SongAdapter.ViewHolder, position: Int) {
        super.onBindViewHolder(holder, position)
-        holder.imageText?.text = (position - current).toString()
-        holder.time?.text = MusicUtil.getReadableDurationString(dataSet[position].duration)
+        val song = dataSet[position]
+        holder.time?.text = MusicUtil.getReadableDurationString(song.duration)
        if (holder.itemViewType == HISTORY || holder.itemViewType == CURRENT) {
            setAlpha(holder, 0.5f)
        }
@ -58,7 +76,17 @@ class PlayingQueueAdapter(
    }

    override fun loadAlbumCover(song: Song, holder: SongAdapter.ViewHolder) {
-        // We don't want to load it in this adapter
+        if (holder.image == null) {
+            return
+        }
+        SongGlideRequest.Builder.from(Glide.with(activity), song)
+            .checkIgnoreMediaStore(activity)
+            .generatePalette(activity).build()
+            .into(object : RetroMusicColoredTarget(holder.image!!) {
+                override fun onColorReady(colors: MediaNotificationProcessor) {
+                    //setColors(colors, holder)
+                }
+            })
    }

    fun swapDataSet(dataSet: List<Song>, position: Int) {
@ -76,7 +104,6 @@ class PlayingQueueAdapter(
        holder.image?.alpha = alpha
        holder.title?.alpha = alpha
        holder.text?.alpha = alpha
-        holder.imageText?.alpha = alpha
        holder.paletteColorContainer?.alpha = alpha
        holder.dragView?.alpha = alpha
        holder.menu?.alpha = alpha
@ -129,7 +156,6 @@ class PlayingQueueAdapter(
            }

        init {
-            imageText?.visibility = View.VISIBLE
            dragView?.visibility = View.VISIBLE
        }

@ -173,7 +199,7 @@ class PlayingQueueAdapter(
    }

    override fun onGetSwipeReactionType(holder: ViewHolder, position: Int, x: Int, y: Int): Int {
-        return if (onCheckCanStartDrag(holder!!, position, x, y)) {
+        return if (onCheckCanStartDrag(holder, position, x, y)) {
            SwipeableItemConstants.REACTION_CAN_NOT_SWIPE_BOTH_H
        } else {
            SwipeableItemConstants.REACTION_CAN_SWIPE_BOTH_H
@ -196,17 +222,17 @@ class PlayingQueueAdapter(
        private val isPlaying: Boolean = MusicPlayerRemote.isPlaying
        private val songProgressMillis = 0
        override fun onPerformAction() {
-            //currentlyShownSnackbar = null
+            // currentlyShownSnackbar = null
        }

        override fun onSlideAnimationEnd() {
-            //initializeSnackBar(adapter, position, activity, isPlaying)
+            // initializeSnackBar(adapter, position, activity, isPlaying)
            songToRemove = adapter.dataSet[position]
-            //If song removed was the playing song, then play the next song
+            // If song removed was the playing song, then play the next song
            if (isPlaying(songToRemove!!)) {
                playNextSong()
            }
-            //Swipe animation is much smoother when we do the heavy lifting after it's completed
+            // Swipe animation is much smoother when we do the heavy lifting after it's completed
            adapter.setSongToRemove(songToRemove!!)
            removeFromQueue(songToRemove!!)
        }
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/song/PlaylistSongAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/song/PlaylistSongAdapter.kt
@ -1,23 +1,37 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.song

 import android.view.MenuItem
 import android.view.View
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.os.bundleOf
-import androidx.navigation.findNavController
-import com.google.android.material.button.MaterialButton
-import io.github.muntashirakon.music.EXTRA_ALBUM_ID
+import androidx.fragment.app.FragmentActivity
 import io.github.muntashirakon.music.R
-import io.github.muntashirakon.music.helper.MusicPlayerRemote
-import io.github.muntashirakon.music.interfaces.CabHolder
+import com.google.android.material.button.MaterialButton
+import io.github.muntashirakon.music.db.PlaylistEntity
+import io.github.muntashirakon.music.db.toSongEntity
+import io.github.muntashirakon.music.dialogs.RemoveSongFromPlaylistDialog
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.Song

 open class PlaylistSongAdapter(
-    activity: AppCompatActivity,
+    private val playlist: PlaylistEntity,
+    activity: FragmentActivity,
    dataSet: MutableList<Song>,
    itemLayoutRes: Int,
-    cabHolder: CabHolder?
-) : AbsOffsetSongAdapter(activity, dataSet, itemLayoutRes, cabHolder) {
+    ICabHolder: ICabHolder?
+) : SongAdapter(activity, dataSet, itemLayoutRes, ICabHolder) {

    init {
        this.setMultiSelectMenuRes(R.menu.menu_cannot_delete_single_songs_playlist_songs_selection)
@ -27,45 +41,23 @@ open class PlaylistSongAdapter(
        return ViewHolder(view)
    }

-    override fun onBindViewHolder(holder: SongAdapter.ViewHolder, position: Int) {
-        if (holder.itemViewType == OFFSET_ITEM) {
-            val viewHolder = holder as ViewHolder
-            viewHolder.playAction?.let {
-                it.setOnClickListener {
-                    MusicPlayerRemote.openQueue(dataSet, 0, true)
-                }
-            }
-            viewHolder.shuffleAction?.let {
-                it.setOnClickListener {
-                    MusicPlayerRemote.openAndShuffleQueue(dataSet, true)
-                }
-            }
-        } else {
-            super.onBindViewHolder(holder, position - 1)
-        }
-    }
-
-    open inner class ViewHolder(itemView: View) : AbsOffsetSongAdapter.ViewHolder(itemView) {
-
-        val playAction: MaterialButton? = itemView.findViewById(R.id.playAction)
-        val shuffleAction: MaterialButton? = itemView.findViewById(R.id.shuffleAction)
+    open inner class ViewHolder(itemView: View) : SongAdapter.ViewHolder(itemView) {

        override var songMenuRes: Int
-            get() = R.menu.menu_item_cannot_delete_single_songs_playlist_song
+            get() = R.menu.menu_item_playlist_song
            set(value) {
                super.songMenuRes = value
            }

        override fun onSongMenuItemClick(item: MenuItem): Boolean {
-            if (item.itemId == R.id.action_go_to_album) {
-                activity.findNavController(R.id.fragment_container)
-                    .navigate(
-                        R.id.albumDetailsFragment,
-                        bundleOf(EXTRA_ALBUM_ID to song.albumId)
-                    )
-                return true
+            when (item.itemId) {
+                R.id.action_remove_from_playlist -> {
+                    RemoveSongFromPlaylistDialog.create(song.toSongEntity(playlist.playListId))
+                        .show(activity.supportFragmentManager, "REMOVE_FROM_PLAYLIST")
+                    return true
+                }
            }
            return super.onSongMenuItemClick(item)
        }
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/song/ShuffleButtonSongAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/song/ShuffleButtonSongAdapter.kt
@ -1,10 +1,24 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.song

 import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.helper.MusicPlayerRemote
-import io.github.muntashirakon.music.interfaces.CabHolder
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.Song
 import com.google.android.material.button.MaterialButton

@ -12,8 +26,8 @@ class ShuffleButtonSongAdapter(
    activity: AppCompatActivity,
    dataSet: MutableList<Song>,
    itemLayoutRes: Int,
-    cabHolder: CabHolder?
-) : AbsOffsetSongAdapter(activity, dataSet, itemLayoutRes, cabHolder) {
+    ICabHolder: ICabHolder?
+) : AbsOffsetSongAdapter(activity, dataSet, itemLayoutRes, ICabHolder) {

    override fun createViewHolder(view: View): SongAdapter.ViewHolder {
        return ViewHolder(view)
@ -49,4 +63,4 @@ class ShuffleButtonSongAdapter(
            super.onClick(v)
        }
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/song/SimpleSongAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/song/SimpleSongAdapter.kt
@ -1,9 +1,23 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.song

 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentActivity
-import io.github.muntashirakon.music.interfaces.CabHolder
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.util.MusicUtil
 import java.util.*
@ -12,8 +26,8 @@ class SimpleSongAdapter(
    context: FragmentActivity,
    songs: ArrayList<Song>,
    layoutRes: Int,
-    cabHolder: CabHolder?
-) : SongAdapter(context, songs, layoutRes, cabHolder) {
+    ICabHolder: ICabHolder?
+) : SongAdapter(context, songs, layoutRes, ICabHolder) {

    override fun swapDataSet(dataSet: List<Song>) {
        this.dataSet = dataSet.toMutableList()
--- a/app/src/main/java/io/github/muntashirakon/music/adapter/song/SongAdapter.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/adapter/song/SongAdapter.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.adapter.song

 import android.content.res.ColorStateList
@ -7,10 +21,9 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.core.os.bundleOf
+import androidx.core.view.isVisible
 import androidx.fragment.app.FragmentActivity
 import androidx.navigation.findNavController
-import com.afollestad.materialcab.MaterialCab
-import com.bumptech.glide.Glide
 import io.github.muntashirakon.music.EXTRA_ALBUM_ID
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.adapter.base.AbsMultiSelectAdapter
@ -23,11 +36,13 @@ import io.github.muntashirakon.music.helper.MusicPlayerRemote
 import io.github.muntashirakon.music.helper.SortOrder
 import io.github.muntashirakon.music.helper.menu.SongMenuHelper
 import io.github.muntashirakon.music.helper.menu.SongsMenuHelper
-import io.github.muntashirakon.music.interfaces.CabHolder
+import io.github.muntashirakon.music.interfaces.ICabHolder
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.util.MusicUtil
 import io.github.muntashirakon.music.util.PreferenceUtil
 import io.github.muntashirakon.music.util.color.MediaNotificationProcessor
+import com.afollestad.materialcab.MaterialCab
+import com.bumptech.glide.Glide
 import me.zhanghai.android.fastscroll.PopupTextProvider

 /**
@ -38,11 +53,11 @@ open class SongAdapter(
    protected val activity: FragmentActivity,
    var dataSet: MutableList<Song>,
    protected var itemLayoutRes: Int,
-    cabHolder: CabHolder?,
+    ICabHolder: ICabHolder?,
    showSectionName: Boolean = true
 ) : AbsMultiSelectAdapter<SongAdapter.ViewHolder, Song>(
    activity,
-    cabHolder,
+    ICabHolder,
    R.menu.menu_media_selection
 ), MaterialCab.Callback, PopupTextProvider {

@ -59,7 +74,7 @@ open class SongAdapter(
    }

    override fun getItemId(position: Int): Long {
-        return dataSet[position].id.toLong()
+        return dataSet[position].id
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
@ -87,6 +102,7 @@ open class SongAdapter(
        }
        holder.title?.text = getSongTitle(song)
        holder.text?.text = getSongText(song)
+        holder.text2?.text = getSongText(song)
        loadAlbumCover(song, holder)
    }

@ -121,6 +137,10 @@ open class SongAdapter(
        return song.artistName
    }

+    private fun getSongText2(song: Song): String? {
+        return song.albumName
+    }
+
    override fun getItemCount(): Int {
        return dataSet.size
    }
@ -157,7 +177,6 @@ open class SongAdapter(
            get() = dataSet[layoutPosition]

        init {
-            setImageTransitionName(activity.getString(R.string.transition_album_art))
            menu?.setOnClickListener(object : SongMenuHelper.OnClickSongMenu(activity) {
                override val song: Song
                    get() = this@ViewHolder.song
@ -172,7 +191,7 @@ open class SongAdapter(
        }

        protected open fun onSongMenuItemClick(item: MenuItem): Boolean {
-            if (image != null && image!!.visibility == View.VISIBLE) {
+            if (image != null && image!!.isVisible) {
                when (item.itemId) {
                    R.id.action_go_to_album -> {
                        activity.findNavController(R.id.fragment_container)
--- a/app/src/main/java/io/github/muntashirakon/music/appshortcuts/AppShortcutIconGenerator.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appshortcuts/AppShortcutIconGenerator.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appshortcuts

 import android.content.Context
@ -60,7 +60,10 @@ object AppShortcutIconGenerator {
    }

    private fun generateThemedIcon(
-        context: Context, iconId: Int, foregroundColor: Int, backgroundColor: Int
+        context: Context,
+        iconId: Int,
+        foregroundColor: Int,
+        backgroundColor: Int
    ): Icon {
        // Get and tint foreground and background drawables
        val vectorDrawable = RetroUtil.getTintedVectorDrawable(context, iconId, foregroundColor)
--- a/app/src/main/java/io/github/muntashirakon/music/appshortcuts/AppShortcutLauncherActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appshortcuts/AppShortcutLauncherActivity.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appshortcuts

 import android.app.Activity
@ -20,6 +20,7 @@ import android.os.Bundle
 import io.github.muntashirakon.music.appshortcuts.shortcuttype.LastAddedShortcutType
 import io.github.muntashirakon.music.appshortcuts.shortcuttype.ShuffleAllShortcutType
 import io.github.muntashirakon.music.appshortcuts.shortcuttype.TopTracksShortcutType
+import io.github.muntashirakon.music.extensions.extraNotNull
 import io.github.muntashirakon.music.model.Playlist
 import io.github.muntashirakon.music.model.smartplaylist.LastAddedPlaylist
 import io.github.muntashirakon.music.model.smartplaylist.ShuffleAllPlaylist
@ -31,16 +32,7 @@ class AppShortcutLauncherActivity : Activity() {

    public override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-
-        var shortcutType = SHORTCUT_TYPE_NONE
-
-        // Set shortcutType from the intent extras
-        val extras = intent.extras
-        if (extras != null) {
-            shortcutType = extras.getInt(KEY_SHORTCUT_TYPE, SHORTCUT_TYPE_NONE)
-        }
-
-        when (shortcutType) {
+        when (extraNotNull(KEY_SHORTCUT_TYPE, SHORTCUT_TYPE_NONE).value) {
            SHORTCUT_TYPE_SHUFFLE_ALL -> {
                startServiceWithPlaylist(
                    SHUFFLE_MODE_SHUFFLE, ShuffleAllPlaylist()
@ -78,9 +70,9 @@ class AppShortcutLauncherActivity : Activity() {

    companion object {
        const val KEY_SHORTCUT_TYPE = "io.github.muntashirakon.Music.appshortcuts.ShortcutType"
-        const val SHORTCUT_TYPE_SHUFFLE_ALL = 0
-        const val SHORTCUT_TYPE_TOP_TRACKS = 1
-        const val SHORTCUT_TYPE_LAST_ADDED = 2
-        const val SHORTCUT_TYPE_NONE = 4
+        const val SHORTCUT_TYPE_SHUFFLE_ALL = 0L
+        const val SHORTCUT_TYPE_TOP_TRACKS = 1L
+        const val SHORTCUT_TYPE_LAST_ADDED = 2L
+        const val SHORTCUT_TYPE_NONE = 4L
    }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/appshortcuts/DynamicShortcutManager.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appshortcuts/DynamicShortcutManager.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appshortcuts

 import android.annotation.TargetApi
@ -32,16 +32,16 @@ class DynamicShortcutManager(private val context: Context) {
        this.context.getSystemService(ShortcutManager::class.java)

    private val defaultShortcuts: List<ShortcutInfo>
-        get() = Arrays.asList(
+        get() = listOf(
            ShuffleAllShortcutType(context).shortcutInfo,
            TopTracksShortcutType(context).shortcutInfo,
            LastAddedShortcutType(context).shortcutInfo
        )

    fun initDynamicShortcuts() {
-        //if (shortcutManager.dynamicShortcuts.size == 0) {
+        // if (shortcutManager.dynamicShortcuts.size == 0) {
        shortcutManager.dynamicShortcuts = defaultShortcuts
-        //}
+        // }
    }

    fun updateDynamicShortcuts() {
@ -58,8 +58,12 @@ class DynamicShortcutManager(private val context: Context) {
            icon: Icon,
            intent: Intent
        ): ShortcutInfo {
-            return ShortcutInfo.Builder(context, id).setShortLabel(shortLabel)
-                .setLongLabel(longLabel).setIcon(icon).setIntent(intent).build()
+            return ShortcutInfo.Builder(context, id)
+                .setShortLabel(shortLabel)
+                .setLongLabel(longLabel)
+                .setIcon(icon)
+                .setIntent(intent)
+                .build()
        }

        fun reportShortcutUsed(context: Context, shortcutId: String) {
--- a/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/BaseShortcutType.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/BaseShortcutType.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appshortcuts.shortcuttype

 import android.annotation.TargetApi
@ -33,11 +33,11 @@ abstract class BaseShortcutType(internal var context: Context) {
     * @param shortcutType Describes the type of shortcut to create (ShuffleAll, TopTracks, custom playlist, etc.)
     * @return
     */
-    internal fun getPlaySongsIntent(shortcutType: Int): Intent {
+    internal fun getPlaySongsIntent(shortcutType: Long): Intent {
        val intent = Intent(context, AppShortcutLauncherActivity::class.java)
        intent.action = Intent.ACTION_VIEW
        val b = Bundle()
-        b.putInt(AppShortcutLauncherActivity.KEY_SHORTCUT_TYPE, shortcutType)
+        b.putLong(AppShortcutLauncherActivity.KEY_SHORTCUT_TYPE, shortcutType)
        intent.putExtras(b)
        return intent
    }
--- a/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/LastAddedShortcutType.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/LastAddedShortcutType.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appshortcuts.shortcuttype

 import android.annotation.TargetApi
--- a/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/ShuffleAllShortcutType.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/ShuffleAllShortcutType.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appshortcuts.shortcuttype

 import android.annotation.TargetApi
@ -26,20 +26,16 @@ import io.github.muntashirakon.music.appshortcuts.AppShortcutLauncherActivity
 class ShuffleAllShortcutType(context: Context) : BaseShortcutType(context) {

    override val shortcutInfo: ShortcutInfo
-        get() = ShortcutInfo.Builder(
-            context, id
-        ).setShortLabel(context.getString(R.string.app_shortcut_shuffle_all_short)).setLongLabel(
-            context.getString(R.string.app_shortcut_shuffle_all_long)
-        ).setIcon(
-            AppShortcutIconGenerator.generateThemedIcon(
-                context, R.drawable.ic_app_shortcut_shuffle_all
-            )
-        ).setIntent(getPlaySongsIntent(AppShortcutLauncherActivity.SHORTCUT_TYPE_SHUFFLE_ALL))
+        get() = ShortcutInfo.Builder(context, id)
+            .setShortLabel(context.getString(R.string.app_shortcut_shuffle_all_short))
+            .setLongLabel(context.getString(R.string.app_shortcut_shuffle_all_long))
+            .setIcon(AppShortcutIconGenerator.generateThemedIcon(context, R.drawable.ic_app_shortcut_shuffle_all))
+            .setIntent(getPlaySongsIntent(AppShortcutLauncherActivity.SHORTCUT_TYPE_SHUFFLE_ALL))
            .build()

    companion object {

        val id: String
-            get() = BaseShortcutType.ID_PREFIX + "shuffle_all"
+            get() = ID_PREFIX + "shuffle_all"
    }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/TopTracksShortcutType.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appshortcuts/shortcuttype/TopTracksShortcutType.kt
@ -1,17 +1,16 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 */
-
 package io.github.muntashirakon.music.appshortcuts.shortcuttype

 import android.annotation.TargetApi
--- a/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetBig.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetBig.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appwidgets

 import android.app.PendingIntent
@ -30,6 +30,7 @@ import io.github.muntashirakon.music.appwidgets.base.BaseAppWidget
 import io.github.muntashirakon.music.glide.SongGlideRequest
 import io.github.muntashirakon.music.service.MusicService
 import io.github.muntashirakon.music.service.MusicService.*
+import io.github.muntashirakon.music.util.PreferenceUtil
 import io.github.muntashirakon.music.util.RetroUtil
 import com.bumptech.glide.Glide
 import com.bumptech.glide.request.animation.GlideAnimation
@ -193,8 +194,11 @@ class AppWidgetBig : BaseAppWidget() {
     * Link up various button actions using [PendingIntent].
     */
    private fun linkButtons(context: Context, views: RemoteViews) {
-        val action =
-            Intent(context, MainActivity::class.java).putExtra(MainActivity.EXPAND_PANEL, true)
+        val action = Intent(context, MainActivity::class.java)
+            .putExtra(
+                MainActivity.EXPAND_PANEL,
+                PreferenceUtil.isExpandPanel
+            )
        var pendingIntent: PendingIntent

        val serviceName = ComponentName(context, MusicService::class.java)
@ -229,6 +233,5 @@ class AppWidgetBig : BaseAppWidget() {
                }
                return mInstance!!
            }
-
    }
 }
--- a/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetCard.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetCard.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appwidgets

 import android.app.PendingIntent
@ -32,6 +32,7 @@ import io.github.muntashirakon.music.glide.palette.BitmapPaletteWrapper
 import io.github.muntashirakon.music.service.MusicService
 import io.github.muntashirakon.music.service.MusicService.*
 import io.github.muntashirakon.music.util.ImageUtil
+import io.github.muntashirakon.music.util.PreferenceUtil
 import io.github.muntashirakon.music.util.RetroUtil
 import com.bumptech.glide.Glide
 import com.bumptech.glide.request.animation.GlideAnimation
@ -217,7 +218,11 @@ class AppWidgetCard : BaseAppWidget() {
     * Link up various button actions using [PendingIntent].
     */
    private fun linkButtons(context: Context, views: RemoteViews) {
-        val action: Intent = Intent(context, MainActivity::class.java).putExtra("expand", true)
+        val action = Intent(context, MainActivity::class.java)
+            .putExtra(
+                MainActivity.EXPAND_PANEL,
+                PreferenceUtil.isExpandPanel
+            )
        var pendingIntent: PendingIntent

        val serviceName = ComponentName(context, MusicService::class.java)
--- a/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetClassic.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetClassic.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appwidgets

 import android.app.PendingIntent
@ -33,6 +33,7 @@ import io.github.muntashirakon.music.glide.palette.BitmapPaletteWrapper
 import io.github.muntashirakon.music.service.MusicService
 import io.github.muntashirakon.music.service.MusicService.*
 import io.github.muntashirakon.music.util.ImageUtil
+import io.github.muntashirakon.music.util.PreferenceUtil
 import io.github.muntashirakon.music.util.RetroUtil
 import com.bumptech.glide.Glide
 import com.bumptech.glide.request.animation.GlideAnimation
@ -49,7 +50,6 @@ class AppWidgetClassic : BaseAppWidget() {
    override fun defaultAppWidget(context: Context, appWidgetIds: IntArray) {
        val appWidgetView = RemoteViews(context.packageName, R.layout.app_widget_classic)

-
        appWidgetView.setViewVisibility(R.id.media_titles, View.INVISIBLE)
        appWidgetView.setImageViewResource(R.id.image, R.drawable.default_audio_art)
        appWidgetView.setImageViewBitmap(
@ -208,7 +208,11 @@ class AppWidgetClassic : BaseAppWidget() {
     * Link up various button actions using [PendingIntent].
     */
    private fun linkButtons(context: Context, views: RemoteViews) {
-        val action = Intent(context, MainActivity::class.java).putExtra("expand", true)
+        val action = Intent(context, MainActivity::class.java)
+            .putExtra(
+                MainActivity.EXPAND_PANEL,
+                PreferenceUtil.isExpandPanel
+            )
        var pendingIntent: PendingIntent

        val serviceName = ComponentName(context, MusicService::class.java)
--- a/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetSmall.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetSmall.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appwidgets

 import android.app.PendingIntent
@ -31,6 +31,7 @@ import io.github.muntashirakon.music.glide.SongGlideRequest
 import io.github.muntashirakon.music.glide.palette.BitmapPaletteWrapper
 import io.github.muntashirakon.music.service.MusicService
 import io.github.muntashirakon.music.service.MusicService.*
+import io.github.muntashirakon.music.util.PreferenceUtil
 import io.github.muntashirakon.music.util.RetroUtil
 import com.bumptech.glide.Glide
 import com.bumptech.glide.request.animation.GlideAnimation
@ -192,7 +193,11 @@ class AppWidgetSmall : BaseAppWidget() {
     * Link up various button actions using [PendingIntent].
     */
    private fun linkButtons(context: Context, views: RemoteViews) {
-        val action = Intent(context, MainActivity::class.java).putExtra("expand", true)
+        val action = Intent(context, MainActivity::class.java)
+            .putExtra(
+                MainActivity.EXPAND_PANEL,
+                PreferenceUtil.isExpandPanel
+            )
        var pendingIntent: PendingIntent

        val serviceName = ComponentName(context, MusicService::class.java)
--- a/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetText.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appwidgets/AppWidgetText.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appwidgets

 import android.app.PendingIntent
@ -28,6 +28,7 @@ import io.github.muntashirakon.music.activities.MainActivity
 import io.github.muntashirakon.music.appwidgets.base.BaseAppWidget
 import io.github.muntashirakon.music.service.MusicService
 import io.github.muntashirakon.music.service.MusicService.*
+import io.github.muntashirakon.music.util.PreferenceUtil
 import io.github.muntashirakon.music.util.RetroUtil

 class AppWidgetText : BaseAppWidget() {
@ -77,7 +78,11 @@ class AppWidgetText : BaseAppWidget() {
     * Link up various button actions using [PendingIntent].
     */
    private fun linkButtons(context: Context, views: RemoteViews) {
-        val action = Intent(context, MainActivity::class.java).putExtra("expand", true)
+        val action = Intent(context, MainActivity::class.java)
+            .putExtra(
+                MainActivity.EXPAND_PANEL,
+                PreferenceUtil.isExpandPanel
+            )
        var pendingIntent: PendingIntent

        val serviceName = ComponentName(context, MusicService::class.java)
@ -153,10 +158,7 @@ class AppWidgetText : BaseAppWidget() {
            )
        )

-
-
        pushUpdate(service.applicationContext, appWidgetIds, appWidgetView)
-
    }

    companion object {
--- a/app/src/main/java/io/github/muntashirakon/music/appwidgets/BootReceiver.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appwidgets/BootReceiver.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appwidgets

 import android.appwidget.AppWidgetManager
--- a/app/src/main/java/io/github/muntashirakon/music/appwidgets/base/BaseAppWidget.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/appwidgets/base/BaseAppWidget.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.appwidgets.base

 import android.app.PendingIntent
@ -40,7 +40,9 @@ abstract class BaseAppWidget : AppWidgetProvider() {
     * {@inheritDoc}
     */
    override fun onUpdate(
-        context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray
+        context: Context,
+        appWidgetManager: AppWidgetManager,
+        appWidgetIds: IntArray
    ) {
        defaultAppWidget(context, appWidgetIds)
        val updateIntent = Intent(APP_WIDGET_UPDATE)
@ -62,7 +64,9 @@ abstract class BaseAppWidget : AppWidgetProvider() {
    }

    protected fun pushUpdate(
-        context: Context, appWidgetIds: IntArray?, views: RemoteViews
+        context: Context,
+        appWidgetIds: IntArray?,
+        views: RemoteViews
    ) {
        val appWidgetManager = AppWidgetManager.getInstance(context)
        if (appWidgetIds != null) {
@ -86,7 +90,9 @@ abstract class BaseAppWidget : AppWidgetProvider() {
    }

    protected fun buildPendingIntent(
-        context: Context, action: String, serviceName: ComponentName
+        context: Context,
+        action: String,
+        serviceName: ComponentName
    ): PendingIntent {
        val intent = Intent(action)
        intent.component = serviceName
@ -169,7 +175,11 @@ abstract class BaseAppWidget : AppWidgetProvider() {
        }

        protected fun composeRoundedRectPath(
-            rect: RectF, tl: Float, tr: Float, bl: Float, br: Float
+            rect: RectF,
+            tl: Float,
+            tr: Float,
+            bl: Float,
+            br: Float
        ): Path {
            val path = Path()
            path.moveTo(rect.left + tl, rect.top)
--- a/app/src/main/java/io/github/muntashirakon/music/db/BlackListStoreDao.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/BlackListStoreDao.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.*
@ -18,4 +32,4 @@ interface BlackListStoreDao {

    @Query("SELECT * FROM BlackListStoreEntity")
    fun blackListPaths(): List<BlackListStoreEntity>
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/db/BlackListStoreEntity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/BlackListStoreEntity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.Entity
@ -7,4 +21,4 @@ import androidx.room.PrimaryKey
 class BlackListStoreEntity(
    @PrimaryKey
    val path: String
-)
+)
--- a/app/src/main/java/io/github/muntashirakon/music/db/HistoryDao.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/HistoryDao.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.lifecycle.LiveData
@ -23,4 +37,4 @@ interface HistoryDao {

    @Query("SELECT * FROM HistoryEntity ORDER BY time_played DESC LIMIT $HISTORY_LIMIT")
    fun observableHistorySongs(): LiveData<List<HistoryEntity>>
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/db/HistoryEntity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/HistoryEntity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.ColumnInfo
@ -29,4 +43,4 @@ class HistoryEntity(
    val albumArtist: String?,
    @ColumnInfo(name = "time_played")
    val timePlayed: Long
-)
+)
--- a/app/src/main/java/io/github/muntashirakon/music/db/LyricsDao.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/LyricsDao.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.*
@ -15,4 +29,4 @@ interface LyricsDao {

    @Update
    fun updateLyrics(lyricsEntity: LyricsEntity)
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/db/LyricsEntity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/LyricsEntity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.Entity
@ -7,4 +21,4 @@ import androidx.room.PrimaryKey
 class LyricsEntity(
    @PrimaryKey val songId: Int,
    val lyrics: String
-)
+)
--- a/app/src/main/java/io/github/muntashirakon/music/db/PlayCountDao.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/PlayCountDao.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.*
@ -24,4 +38,4 @@ interface PlayCountDao {

    @Query("UPDATE PlayCountEntity SET play_count = play_count + 1 WHERE id = :id")
    fun updateQuantity(id: Long)
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/db/PlayCountEntity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/PlayCountEntity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.ColumnInfo
@ -31,4 +45,4 @@ class PlayCountEntity(
    val timePlayed: Long,
    @ColumnInfo(name = "play_count")
    var playCount: Int
-)
+)
--- a/app/src/main/java/io/github/muntashirakon/music/db/PlaylistDao.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/PlaylistDao.kt
@ -1,10 +1,21 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.lifecycle.LiveData
 import androidx.room.*
-import io.github.muntashirakon.music.db.PlaylistEntity
-import io.github.muntashirakon.music.db.PlaylistWithSongs
-import io.github.muntashirakon.music.db.SongEntity

@Dao
 interface PlaylistDao {
@ -48,12 +59,9 @@ interface PlaylistDao {
    @Delete
    suspend fun deletePlaylistSongs(songs: List<SongEntity>)

-
    @Query("SELECT * FROM SongEntity WHERE playlist_creator_id= :playlistId")
    fun favoritesSongsLiveData(playlistId: Long): LiveData<List<SongEntity>>

    @Query("SELECT * FROM SongEntity WHERE playlist_creator_id= :playlistId")
    fun favoritesSongs(playlistId: Long): List<SongEntity>
-
-
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/db/PlaylistEntity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/PlaylistEntity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import android.os.Parcelable
@ -14,4 +28,4 @@ class PlaylistEntity(
    val playListId: Long = 0,
    @ColumnInfo(name = "playlist_name")
    val playlistName: String
-) : Parcelable
+) : Parcelable
--- a/app/src/main/java/io/github/muntashirakon/music/db/PlaylistWithSongs.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/PlaylistWithSongs.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import android.os.Parcelable
@ -14,4 +28,3 @@ data class PlaylistWithSongs(
    )
    val songs: List<SongEntity>
 ) : Parcelable
-
--- a/app/src/main/java/io/github/muntashirakon/music/db/RetroDatabase.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/RetroDatabase.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import androidx.room.Database
@ -14,4 +28,4 @@ abstract class RetroDatabase : RoomDatabase() {
    abstract fun playCountDao(): PlayCountDao
    abstract fun historyDao(): HistoryDao
    abstract fun lyricsDao(): LyricsDao
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/db/SongEntity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/SongEntity.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import android.os.Parcelable
@ -36,4 +50,3 @@ class SongEntity(
    @ColumnInfo(name = "album_artist")
    val albumArtist: String?
 ) : Parcelable
-
--- a/app/src/main/java/io/github/muntashirakon/music/db/SongExtension.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/db/SongExtension.kt
@ -1,7 +1,27 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.db

 import io.github.muntashirakon.music.model.Song

+fun List<HistoryEntity>.fromHistoryToSongs(): List<Song> {
+    return map {
+        it.toSong()
+    }
+}
+
 fun List<SongEntity>.toSongs(): List<Song> {
    return map {
        it.toSong()
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/AddToPlaylistDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/AddToPlaylistDialog.kt
@ -1,7 +1,22 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
 import android.os.Bundle
+import android.widget.ArrayAdapter
 import androidx.core.os.bundleOf
 import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.lifecycleScope
@ -9,7 +24,6 @@ import io.github.muntashirakon.music.EXTRA_PLAYLISTS
 import io.github.muntashirakon.music.EXTRA_SONG
 import io.github.muntashirakon.music.R
 import io.github.muntashirakon.music.db.PlaylistEntity
-import io.github.muntashirakon.music.db.SongEntity
 import io.github.muntashirakon.music.db.toSongsEntity
 import io.github.muntashirakon.music.extensions.colorButtons
 import io.github.muntashirakon.music.extensions.extraNotNull
@ -41,30 +55,39 @@ class AddToPlaylistDialog : DialogFragment() {
        }
    }

+    private fun playlistAdapter(playlists: List<String>): ArrayAdapter<String> {
+        val adapter = ArrayAdapter<String>(requireContext(), R.layout.item_simple_text, R.id.title)
+        adapter.addAll(playlists)
+        return adapter
+    }
+
    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-        val playlistEntities: List<PlaylistEntity> =
-            extraNotNull<List<PlaylistEntity>>(EXTRA_PLAYLISTS).value
-        val songs: List<Song> = extraNotNull<List<Song>>(EXTRA_SONG).value
-        val playlistNames: MutableList<String> = mutableListOf()
+        val playlistEntities = extraNotNull<List<PlaylistEntity>>(EXTRA_PLAYLISTS).value
+        val songs = extraNotNull<List<Song>>(EXTRA_SONG).value
+        val playlistNames = mutableListOf<String>()
        playlistNames.add(requireContext().resources.getString(R.string.action_new_playlist))
        for (entity: PlaylistEntity in playlistEntities) {
            playlistNames.add(entity.playlistName)
        }
        return materialDialog(R.string.add_playlist_title)
-            .setItems(playlistNames.toTypedArray()) { _, which ->
+            .setAdapter(
+                playlistAdapter(playlistNames)
+            ) { dialog, which ->
                if (which == 0) {
-                    CreatePlaylistDialog.create(songs)
-                        .show(requireActivity().supportFragmentManager, "Dialog")
+                    showCreateDialog(songs)
                } else {
                    lifecycleScope.launch(Dispatchers.IO) {
-                        val songEntities: List<SongEntity> =
-                            songs.toSongsEntity(playlistEntities[which - 1])
+                        val songEntities = songs.toSongsEntity(playlistEntities[which - 1])
                        libraryViewModel.insertSongs(songEntities)
                        libraryViewModel.forceReload(Playlists)
                    }
                }
-                dismiss()
+                dialog.dismiss()
            }
            .create().colorButtons()
    }
-}
+
+    private fun showCreateDialog(songs: List<Song>) {
+        CreatePlaylistDialog.create(songs).show(requireActivity().supportFragmentManager, "Dialog")
+    }
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/BlacklistFolderChooserDialog.java
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/BlacklistFolderChooserDialog.java
@ -7,150 +7,149 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
 import android.view.View;
-
 import androidx.annotation.NonNull;
 import androidx.core.app.ActivityCompat;
 import androidx.fragment.app.DialogFragment;
-
+import code.name.monkey.retromusic.R;
 import com.afollestad.materialdialogs.MaterialDialog;
-
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;

-import io.github.muntashirakon.music.R;
+public class BlacklistFolderChooserDialog extends DialogFragment
+    implements MaterialDialog.ListCallback {

-public class BlacklistFolderChooserDialog extends DialogFragment implements MaterialDialog.ListCallback {
+  String initialPath = Environment.getExternalStorageDirectory().getAbsolutePath();
+  private File parentFolder;
+  private File[] parentContents;
+  private boolean canGoUp = false;
+  private FolderCallback callback;

-    String initialPath = Environment.getExternalStorageDirectory().getAbsolutePath();
-    private File parentFolder;
-    private File[] parentContents;
-    private boolean canGoUp = false;
-    private FolderCallback callback;
+  public static BlacklistFolderChooserDialog create() {
+    return new BlacklistFolderChooserDialog();
+  }

-    public static BlacklistFolderChooserDialog create() {
-        return new BlacklistFolderChooserDialog();
+  private String[] getContentsArray() {
+    if (parentContents == null) {
+      if (canGoUp) {
+        return new String[] {".."};
+      }
+      return new String[] {};
    }
-
-    private String[] getContentsArray() {
-        if (parentContents == null) {
-            if (canGoUp) {
-                return new String[]{".."};
-            }
-            return new String[]{};
-        }
-        String[] results = new String[parentContents.length + (canGoUp ? 1 : 0)];
-        if (canGoUp) {
-            results[0] = "..";
-        }
-        for (int i = 0; i < parentContents.length; i++) {
-            results[canGoUp ? i + 1 : i] = parentContents[i].getName();
-        }
-        return results;
+    String[] results = new String[parentContents.length + (canGoUp ? 1 : 0)];
+    if (canGoUp) {
+      results[0] = "..";
    }
-
-    private File[] listFiles() {
-        File[] contents = parentFolder.listFiles();
-        List<File> results = new ArrayList<>();
-        if (contents != null) {
-            for (File fi : contents) {
-                if (fi.isDirectory()) {
-                    results.add(fi);
-                }
-            }
-            Collections.sort(results, new FolderSorter());
-            return results.toArray(new File[results.size()]);
-        }
-        return null;
+    for (int i = 0; i < parentContents.length; i++) {
+      results[canGoUp ? i + 1 : i] = parentContents[i].getName();
    }
+    return results;
+  }

-    @NonNull
-    @Override
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-                && ActivityCompat.checkSelfPermission(
+  private File[] listFiles() {
+    File[] contents = parentFolder.listFiles();
+    List<File> results = new ArrayList<>();
+    if (contents != null) {
+      for (File fi : contents) {
+        if (fi.isDirectory()) {
+          results.add(fi);
+        }
+      }
+      Collections.sort(results, new FolderSorter());
+      return results.toArray(new File[results.size()]);
+    }
+    return null;
+  }
+
+  @NonNull
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
+        && ActivityCompat.checkSelfPermission(
                requireActivity(), Manifest.permission.READ_EXTERNAL_STORAGE)
-                != PackageManager.PERMISSION_GRANTED) {
-            return new MaterialDialog.Builder(requireActivity())
-                    .title(R.string.md_error_label)
-                    .content(R.string.md_storage_perm_error)
-                    .positiveText(android.R.string.ok)
-                    .build();
-        }
-        if (savedInstanceState == null) {
-            savedInstanceState = new Bundle();
-        }
-        if (!savedInstanceState.containsKey("current_path")) {
-            savedInstanceState.putString("current_path", initialPath);
-        }
-        parentFolder = new File(savedInstanceState.getString("current_path", File.pathSeparator));
-        checkIfCanGoUp();
-        parentContents = listFiles();
-        MaterialDialog.Builder builder = new MaterialDialog.Builder(requireContext())
-                .title(parentFolder.getAbsolutePath())
-                .items((CharSequence[]) getContentsArray())
-                .itemsCallback(this)
-                .autoDismiss(false)
-                .onPositive((dialog, which) -> {
-                    callback.onFolderSelection(BlacklistFolderChooserDialog.this, parentFolder);
-                    dismiss();
+            != PackageManager.PERMISSION_GRANTED) {
+      return new MaterialDialog.Builder(requireActivity())
+          .title(R.string.md_error_label)
+          .content(R.string.md_storage_perm_error)
+          .positiveText(android.R.string.ok)
+          .build();
+    }
+    if (savedInstanceState == null) {
+      savedInstanceState = new Bundle();
+    }
+    if (!savedInstanceState.containsKey("current_path")) {
+      savedInstanceState.putString("current_path", initialPath);
+    }
+    parentFolder = new File(savedInstanceState.getString("current_path", File.pathSeparator));
+    checkIfCanGoUp();
+    parentContents = listFiles();
+    MaterialDialog.Builder builder =
+        new MaterialDialog.Builder(requireContext())
+            .title(parentFolder.getAbsolutePath())
+            .items((CharSequence[]) getContentsArray())
+            .itemsCallback(this)
+            .autoDismiss(false)
+            .onPositive(
+                (dialog, which) -> {
+                  callback.onFolderSelection(BlacklistFolderChooserDialog.this, parentFolder);
+                  dismiss();
                })
-                .onNegative((materialDialog, dialogAction) -> dismiss())
-                .positiveText(R.string.add_action)
-                .negativeText(android.R.string.cancel);
-        return builder.build();
+            .onNegative((materialDialog, dialogAction) -> dismiss())
+            .positiveText(R.string.add_action)
+            .negativeText(android.R.string.cancel);
+    return builder.build();
+  }
+
+  @Override
+  public void onSelection(MaterialDialog materialDialog, View view, int i, CharSequence s) {
+    if (canGoUp && i == 0) {
+      parentFolder = parentFolder.getParentFile();
+      if (parentFolder.getAbsolutePath().equals("/storage/emulated")) {
+        parentFolder = parentFolder.getParentFile();
+      }
+      checkIfCanGoUp();
+    } else {
+      parentFolder = parentContents[canGoUp ? i - 1 : i];
+      canGoUp = true;
+      if (parentFolder.getAbsolutePath().equals("/storage/emulated")) {
+        parentFolder = Environment.getExternalStorageDirectory();
+      }
    }
+    reload();
+  }
+
+  private void checkIfCanGoUp() {
+    canGoUp = parentFolder.getParent() != null;
+  }
+
+  private void reload() {
+    parentContents = listFiles();
+    MaterialDialog dialog = (MaterialDialog) getDialog();
+    dialog.setTitle(parentFolder.getAbsolutePath());
+    dialog.setItems((CharSequence[]) getContentsArray());
+  }
+
+  @Override
+  public void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    outState.putString("current_path", parentFolder.getAbsolutePath());
+  }
+
+  public void setCallback(FolderCallback callback) {
+    this.callback = callback;
+  }
+
+  public interface FolderCallback {
+    void onFolderSelection(@NonNull BlacklistFolderChooserDialog dialog, @NonNull File folder);
+  }
+
+  private static class FolderSorter implements Comparator<File> {

    @Override
-    public void onSelection(MaterialDialog materialDialog, View view, int i, CharSequence s) {
-        if (canGoUp && i == 0) {
-            parentFolder = parentFolder.getParentFile();
-            if (parentFolder.getAbsolutePath().equals("/storage/emulated")) {
-                parentFolder = parentFolder.getParentFile();
-            }
-            checkIfCanGoUp();
-        } else {
-            parentFolder = parentContents[canGoUp ? i - 1 : i];
-            canGoUp = true;
-            if (parentFolder.getAbsolutePath().equals("/storage/emulated")) {
-                parentFolder = Environment.getExternalStorageDirectory();
-            }
-        }
-        reload();
+    public int compare(File lhs, File rhs) {
+      return lhs.getName().compareTo(rhs.getName());
    }
-
-    private void checkIfCanGoUp() {
-        canGoUp = parentFolder.getParent() != null;
-    }
-
-    private void reload() {
-        parentContents = listFiles();
-        MaterialDialog dialog = (MaterialDialog) getDialog();
-        dialog.setTitle(parentFolder.getAbsolutePath());
-        dialog.setItems((CharSequence[]) getContentsArray());
-    }
-
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        outState.putString("current_path", parentFolder.getAbsolutePath());
-    }
-
-    public void setCallback(FolderCallback callback) {
-        this.callback = callback;
-    }
-
-    public interface FolderCallback {
-        void onFolderSelection(@NonNull BlacklistFolderChooserDialog dialog, @NonNull File folder);
-    }
-
-    private static class FolderSorter implements Comparator<File> {
-
-        @Override
-        public int compare(File lhs, File rhs) {
-            return lhs.getName().compareTo(rhs.getName());
-        }
-    }
-}
+  }
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/CreatePlaylistDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/CreatePlaylistDialog.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
@ -26,7 +40,7 @@ import kotlinx.coroutines.launch
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel

 class CreatePlaylistDialog : DialogFragment() {
-    private val libraryViewModel by sharedViewModel<LibraryViewModel>()
+    private val io.github.muntashirakon.music by sharedViewModel<LibraryViewModel>()

    companion object {
        fun create(song: Song): CreatePlaylistDialog {
@ -54,17 +68,8 @@ class CreatePlaylistDialog : DialogFragment() {
            ) { _, _ ->
                val playlistName = playlistView.text.toString()
                if (!TextUtils.isEmpty(playlistName)) {
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        if (libraryViewModel.checkPlaylistExists(playlistName).isEmpty()) {
-                            val playlistId: Long =
-                                libraryViewModel.createPlaylist(PlaylistEntity(playlistName = playlistName))
-                            libraryViewModel.insertSongs(songs.map { it.toSongEntity(playlistId) })
-                            libraryViewModel.forceReload(Playlists)
-                        } else {
-                            Toast.makeText(requireContext(), "Playlist exists", Toast.LENGTH_SHORT)
-                                .show()
-                        }
-                    }
+                    io.github.muntashirakon.music.addToPlaylist(playlistName, songs)
+
                } else {
                    playlistContainer.error = "Playlist is can't be empty"
                }
@ -72,4 +77,4 @@ class CreatePlaylistDialog : DialogFragment() {
            .create()
            .colorButtons()
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/DeletePlaylistDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/DeletePlaylistDialog.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
@ -65,5 +79,4 @@ class DeletePlaylistDialog : DialogFragment() {
            .create()
            .colorButtons()
    }
-
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/DeleteSongsDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/DeleteSongsDialog.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
@ -67,4 +81,4 @@ class DeleteSongsDialog : DialogFragment() {
            .create()
            .colorButtons()
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/ImportPlaylistDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/ImportPlaylistDialog.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
@ -21,4 +35,4 @@ class ImportPlaylistDialog : DialogFragment() {
            .create()
            .colorButtons()
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/LyricsDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/LyricsDialog.kt
@ -1,60 +0,0 @@
-package io.github.muntashirakon.music.dialogs
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.fragment.app.DialogFragment
-import androidx.lifecycle.lifecycleScope
-import io.github.muntashirakon.music.R
-import io.github.muntashirakon.music.extensions.accentTextColor
-import io.github.muntashirakon.music.extensions.hide
-import io.github.muntashirakon.music.helper.MusicPlayerRemote
-import io.github.muntashirakon.music.network.Result
-import io.github.muntashirakon.music.repository.Repository
-import kotlinx.android.synthetic.main.lyrics_dialog.*
-import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.Dispatchers.Main
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import org.koin.android.ext.android.inject
-
-class LyricsDialog : DialogFragment() {
-    override fun getTheme(): Int {
-        return R.style.MaterialAlertDialogTheme
-    }
-
-    private val repository by inject<Repository>()
-
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.lyrics_dialog, container, false)
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-        val song = MusicPlayerRemote.currentSong
-        dialogTitle.text = song.title
-        syncedLyrics.accentTextColor()
-        lifecycleScope.launch(IO) {
-            val result: Result<String> = repository.lyrics(
-                song.artistName,
-                song.title
-            )
-            withContext(Main) {
-
-                when (result) {
-                    is Result.Error -> progressBar.hide()
-                    is Result.Loading -> println("Loading")
-                    is Result.Success -> {
-                        progressBar.hide()
-                        lyricsText.text = result.data
-                    }
-                }
-            }
-        }
-    }
-}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/RemoveSongFromPlaylistDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/RemoveSongFromPlaylistDialog.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
@ -12,7 +26,6 @@ import io.github.muntashirakon.music.extensions.colorButtons
 import io.github.muntashirakon.music.extensions.extraNotNull
 import io.github.muntashirakon.music.extensions.materialDialog
 import io.github.muntashirakon.music.fragments.LibraryViewModel
-import io.github.muntashirakon.music.fragments.ReloadType.Playlists
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel

 class RemoveSongFromPlaylistDialog : DialogFragment() {
@ -60,10 +73,9 @@ class RemoveSongFromPlaylistDialog : DialogFragment() {
            .setMessage(pair.second)
            .setPositiveButton(R.string.remove_action) { _, _ ->
                libraryViewModel.deleteSongsInPlaylist(songs)
-                libraryViewModel.forceReload(Playlists)
            }
            .setNegativeButton(android.R.string.cancel, null)
            .create()
            .colorButtons()
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/RenamePlaylistDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/RenamePlaylistDialog.kt
@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
@ -54,4 +68,4 @@ class RenamePlaylistDialog : DialogFragment() {
            .create()
            .colorButtons()
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/SavePlaylistDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/SavePlaylistDialog.kt
@ -1,6 +1,21 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
 package io.github.muntashirakon.music.dialogs

 import android.app.Dialog
+import android.media.MediaScannerConnection
 import android.os.Bundle
 import android.widget.Toast
 import androidx.core.os.bundleOf
@ -18,7 +33,6 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext

-
 class SavePlaylistDialog : DialogFragment() {
    companion object {
        fun create(playlistWithSongs: PlaylistWithSongs): SavePlaylistDialog {
@ -33,9 +47,14 @@ class SavePlaylistDialog : DialogFragment() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        lifecycleScope.launch(Dispatchers.IO) {
-            val playlistWithSongs: PlaylistWithSongs =
-                extraNotNull<PlaylistWithSongs>(EXTRA_PLAYLIST).value
-            val file = PlaylistsUtil.savePlaylistWithSongs(requireContext(), playlistWithSongs)
+            val playlistWithSongs = extraNotNull<PlaylistWithSongs>(EXTRA_PLAYLIST).value
+            val file = PlaylistsUtil.savePlaylistWithSongs(playlistWithSongs)
+            MediaScannerConnection.scanFile(
+                requireActivity(),
+                arrayOf<String>(file.path),
+                null
+            ) { _, _ ->
+            }
            withContext(Dispatchers.Main) {
                Toast.makeText(
                    requireContext(),
@ -52,4 +71,4 @@ class SavePlaylistDialog : DialogFragment() {
            .setView(R.layout.loading)
            .create().colorButtons()
    }
-}
+}
--- a/app/src/main/java/io/github/muntashirakon/music/dialogs/SleepTimerDialog.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/dialogs/SleepTimerDialog.kt
@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2019 Hemanth Savarala.
+ * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
+ *
 */
-
 package io.github.muntashirakon.music.dialogs

 import android.annotation.SuppressLint
@ -130,7 +130,6 @@ class SleepTimerDialog : DialogFragment() {
            }
            .create()
            .colorButtons()
-
    }

    private fun updateTimeDisplayTime() {
@ -173,4 +172,4 @@ class SleepTimerDialog : DialogFragment() {
            updateCancelButton()
        }
    }
-}
+}
--- a/Show more
+++ b/Show more