Converted RetroUtil to Kotlin

app/src/main/java/code/name/monkey/retromusic/activities/MainActivity.kt

@@ -96,7 +96,6 @@ class MainActivity : AbsCastActivity(), OnSharedPreferenceChangeListener {
             }
         }
         navController.addOnDestinationChangedListener { _, destination, _ ->
-            val start = System.currentTimeMillis()
             if (destination.id == navGraph.startDestinationId) {
                 currentFragment(R.id.fragment_container)?.enterTransition = null
             }
@@ -117,7 +116,6 @@ class MainActivity : AbsCastActivity(), OnSharedPreferenceChangeListener {
                     animate = true
                 ) // Hide Bottom Navigation Bar
             }
-            showToast("Time : ${System.currentTimeMillis() - start}")
         }
     }
 

app/src/main/java/code/name/monkey/retromusic/adapter/SongFileAdapter.kt

@@ -132,8 +132,8 @@ class SongFileAdapter(
         return dataSet[position]
     }
 
-    override fun getName(`object`: File): String {
+    override fun getName(model: File): String {
-        return getFileTitle(`object`)
+        return getFileTitle(model)
     }
 
     override fun onMultipleItemAction(menuItem: MenuItem, selection: List<File>) {

app/src/main/java/code/name/monkey/retromusic/adapter/album/AlbumAdapter.kt

@@ -135,8 +135,8 @@ open class AlbumAdapter(
         return dataSet[position]
     }
 
-    override fun getName(album: Album): String {
+    override fun getName(model: Album): String {
-        return album.title
+        return model.title
     }
 
     override fun onMultipleItemAction(

app/src/main/java/code/name/monkey/retromusic/adapter/artist/ArtistAdapter.kt

@@ -132,8 +132,8 @@ class ArtistAdapter(
         return dataSet[position]
     }
 
-    override fun getName(artist: Artist): String {
+    override fun getName(model: Artist): String {
-        return artist.name
+        return model.name
     }
 
     override fun onMultipleItemAction(

app/src/main/java/code/name/monkey/retromusic/adapter/base/AbsMultiSelectAdapter.kt

@@ -64,9 +64,8 @@ abstract class AbsMultiSelectAdapter<V : RecyclerView.ViewHolder?, I>(
     }
 
     protected abstract fun getIdentifier(position: Int): I?
-    protected open fun getName(i: I): String? {
+
-        return i.toString()
+    protected abstract fun getName(model: I): String?
-    }
 
     protected fun isChecked(identifier: I): Boolean {
         return checked.contains(identifier)

app/src/main/java/code/name/monkey/retromusic/adapter/playlist/PlaylistAdapter.kt

@@ -120,8 +120,8 @@ class PlaylistAdapter(
         return dataSet[position]
     }
 
-    override fun getName(playlist: PlaylistWithSongs): String {
+    override fun getName(model: PlaylistWithSongs): String {
-        return playlist.playlistEntity.playlistName
+        return model.playlistEntity.playlistName
     }
 
     override fun onMultipleItemAction(menuItem: MenuItem, selection: List<PlaylistWithSongs>) {

app/src/main/java/code/name/monkey/retromusic/adapter/song/ShuffleButtonSongAdapter.kt

@@ -60,7 +60,7 @@ class ShuffleButtonSongAdapter(
             }
         } else {
             super.onBindViewHolder(holder, position - 1)
-            val landscape = RetroUtil.isLandscape()
+            val landscape = RetroUtil.isLandscape
             if ((PreferenceUtil.songGridSize > 2 && !landscape) || (PreferenceUtil.songGridSizeLand > 5 && landscape)) {
                 holder.menu?.isVisible = false
             }

app/src/main/java/code/name/monkey/retromusic/adapter/song/SongAdapter.kt

@@ -100,7 +100,7 @@ open class SongAdapter(
         holder.text?.text = getSongText(song)
         holder.text2?.text = getSongText(song)
         loadAlbumCover(song, holder)
-        val landscape = RetroUtil.isLandscape()
+        val landscape = RetroUtil.isLandscape
         if ((PreferenceUtil.songGridSize > 2 && !landscape) || (PreferenceUtil.songGridSizeLand > 5 && landscape)) {
             holder.menu?.isVisible = false
         }
@@ -149,8 +149,8 @@ open class SongAdapter(
         return dataSet[position]
     }
 
-    override fun getName(song: Song): String {
+    override fun getName(model: Song): String {
-        return song.title
+        return model.title
     }
 
     override fun onMultipleItemAction(menuItem: MenuItem, selection: List<Song>) {

app/src/main/java/code/name/monkey/retromusic/extensions/ContextExtensions.kt

@@ -1,6 +1,7 @@
 package code.name.monkey.retromusic.extensions
 
 import android.content.Context
+import android.content.res.Configuration
 import android.widget.Toast
 import androidx.annotation.StringRes
 
@@ -11,3 +12,7 @@ fun Context.showToast(@StringRes stringRes: Int, duration: Int = Toast.LENGTH_SH
 fun Context.showToast(message: String, duration: Int = Toast.LENGTH_SHORT) {
     Toast.makeText(this, message, duration).show()
 }
+
+val Context.isLandscape: Boolean get() = resources.configuration.orientation == Configuration.ORIENTATION_LANDSCAPE
+
+val Context.isTablet: Boolean get() = resources.configuration.smallestScreenWidthDp >= 600

app/src/main/java/code/name/monkey/retromusic/extensions/InsetsExtensions.kt

@@ -8,6 +8,6 @@ fun WindowInsetsCompat?.safeGetBottomInsets(): Int {
     return if (PreferenceUtil.isFullScreenMode) {
         return 0
     } else {
-        this?.getInsets(WindowInsetsCompat.Type.systemBars())?.bottom ?: RetroUtil.getNavigationBarHeight()
+        this?.getInsets(WindowInsetsCompat.Type.systemBars())?.bottom ?: RetroUtil.navigationBarHeight
     }
 }

app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumsFragment.kt

@@ -161,7 +161,7 @@ class AlbumsFragment : AbsRecyclerViewCustomGridSizeFragment<AlbumAdapter, GridL
     override fun onCreateMenu(menu: Menu, inflater: MenuInflater) {
         super.onCreateMenu(menu, inflater)
         val gridSizeItem: MenuItem = menu.findItem(R.id.action_grid_size)
-        if (RetroUtil.isLandscape()) {
+        if (RetroUtil.isLandscape) {
             gridSizeItem.setTitle(R.string.action_grid_size_land)
         }
         setUpGridSizeMenu(gridSizeItem.subMenu)

app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistsFragment.kt

@@ -171,7 +171,7 @@ class ArtistsFragment : AbsRecyclerViewCustomGridSizeFragment<ArtistAdapter, Gri
     override fun onCreateMenu(menu: Menu, inflater: MenuInflater) {
         super.onCreateMenu(menu, inflater)
         val gridSizeItem: MenuItem = menu.findItem(R.id.action_grid_size)
-        if (RetroUtil.isLandscape()) {
+        if (RetroUtil.isLandscape) {
             gridSizeItem.setTitle(R.string.action_grid_size_land)
         }
         setUpGridSizeMenu(gridSizeItem.subMenu)

app/src/main/java/code/name/monkey/retromusic/fragments/backup/BackupFragment.kt

@@ -116,8 +116,8 @@ class BackupFragment : Fragment(R.layout.fragment_backup), BackupAdapter.BackupC
     }
 
     @SuppressLint("CheckResult")
-    override fun onBackupMenuClicked(file: File, item: MenuItem): Boolean {
+    override fun onBackupMenuClicked(file: File, menuItem: MenuItem): Boolean {
-        when (item.itemId) {
+        when (menuItem.itemId) {
             R.id.action_delete -> {
                 try {
                     file.delete()

app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsRecyclerViewCustomGridSizeFragment.kt

@@ -28,7 +28,7 @@ abstract class AbsRecyclerViewCustomGridSizeFragment<A : RecyclerView.Adapter<*>
     private var sortOrder: String? = null
     private var currentLayoutRes: Int = 0
     private val isLandscape: Boolean
-        get() = RetroUtil.isLandscape()
+        get() = RetroUtil.isLandscape
 
     val maxGridSize: Int
         get() = if (isLandscape) {

app/src/main/java/code/name/monkey/retromusic/fragments/genres/GenresFragment.kt

@@ -48,7 +48,7 @@ GenresFragment : AbsRecyclerViewFragment<GenreAdapter, LinearLayoutManager>(),
     }
 
     override fun createLayoutManager(): LinearLayoutManager {
-        return if (RetroUtil.isLandscape()) {
+        return if (RetroUtil.isLandscape) {
             GridLayoutManager(activity, 4)
         } else {
             GridLayoutManager(activity, 2)

app/src/main/java/code/name/monkey/retromusic/fragments/other/DetailListFragment.kt

@@ -64,9 +64,8 @@ class DetailListFragment : AbsMainActivityFragment(R.layout.fragment_playlist_de
     private val binding get() = _binding!!
     private var showClearHistoryOption = false
 
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
+        super.onCreate(savedInstanceState)
-        _binding = FragmentPlaylistDetailBinding.bind(view)
         when (args.type) {
             TOP_ARTISTS,
             RECENT_ARTISTS,
@@ -81,6 +80,13 @@ class DetailListFragment : AbsMainActivityFragment(R.layout.fragment_playlist_de
                 returnTransition = MaterialSharedAxis(MaterialSharedAxis.Y, false)
             }
         }
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        _binding = FragmentPlaylistDetailBinding.bind(view)
+        postponeEnterTransition()
+        view.doOnPreDraw { startPostponedEnterTransition() }
         mainActivity.setSupportActionBar(binding.toolbar)
         binding.progressIndicator.hide()
         when (args.type) {
@@ -106,8 +112,6 @@ class DetailListFragment : AbsMainActivityFragment(R.layout.fragment_playlist_de
         })
         binding.appBarLayout.statusBarForeground =
             MaterialShapeDrawable.createWithElevationOverlay(requireContext())
-        postponeEnterTransition()
-        view.doOnPreDraw { startPostponedEnterTransition() }
         requireActivity().onBackPressedDispatcher.addCallback(viewLifecycleOwner) {
             if (!handleBackPress()) {
                 remove()
@@ -232,10 +236,10 @@ class DetailListFragment : AbsMainActivityFragment(R.layout.fragment_playlist_de
         GridLayoutManager(requireContext(), gridCount(), GridLayoutManager.VERTICAL, false)
 
     private fun gridCount(): Int {
-        if (RetroUtil.isTablet()) {
+        if (RetroUtil.isTablet) {
-            return if (RetroUtil.isLandscape()) 6 else 4
+            return if (RetroUtil.isLandscape) 6 else 4
         }
-        return if (RetroUtil.isLandscape()) 4 else 2
+        return if (RetroUtil.isLandscape) 4 else 2
     }
 
 

app/src/main/java/code/name/monkey/retromusic/fragments/other/MiniPlayerFragment.kt

@@ -67,7 +67,7 @@ open class MiniPlayerFragment : AbsMusicServiceFragment(R.layout.fragment_mini_p
         view.setOnTouchListener(FlingPlayBackController(requireContext()))
         setUpMiniPlayer()
 
-        if (RetroUtil.isTablet()) {
+        if (RetroUtil.isTablet) {
             binding.actionNext.show()
             binding.actionPrevious.show()
         } else {

app/src/main/java/code/name/monkey/retromusic/fragments/player/gradient/GradientPlayerFragment.kt

@@ -205,7 +205,6 @@ class GradientPlayerFragment : AbsPlayerFragment(R.layout.fragment_gradient_play
     }
 
     override fun onBackPressed(): Boolean {
-        println("OK")
         var wasExpanded = false
         if (getQueuePanel().state == STATE_EXPANDED) {
             wasExpanded = getQueuePanel().state == STATE_EXPANDED

app/src/main/java/code/name/monkey/retromusic/fragments/playlists/PlaylistsFragment.kt

@@ -74,7 +74,7 @@ class PlaylistsFragment :
     override fun onCreateMenu(menu: Menu, inflater: MenuInflater) {
         super.onCreateMenu(menu, inflater)
         val gridSizeItem: MenuItem = menu.findItem(R.id.action_grid_size)
-        if (RetroUtil.isLandscape()) {
+        if (RetroUtil.isLandscape) {
             gridSizeItem.setTitle(R.string.action_grid_size_land)
         }
         setupGridSizeMenu(gridSizeItem.subMenu)
@@ -109,7 +109,7 @@ class PlaylistsFragment :
             7 -> gridSizeMenu.findItem(R.id.action_grid_size_7).isChecked = true
             8 -> gridSizeMenu.findItem(R.id.action_grid_size_8).isChecked = true
         }
-        val gridSize = if (RetroUtil.isLandscape()) 4 else 2
+        val gridSize = if (RetroUtil.isLandscape) 4 else 2
         if (gridSize < 8) {
             gridSizeMenu.findItem(R.id.action_grid_size_8).isVisible = false
         }

app/src/main/java/code/name/monkey/retromusic/fragments/songs/SongsFragment.kt

@@ -128,7 +128,7 @@ class SongsFragment : AbsRecyclerViewCustomGridSizeFragment<SongAdapter, GridLay
     override fun onCreateMenu(menu: Menu, inflater: MenuInflater) {
         super.onCreateMenu(menu, inflater)
         val gridSizeItem: MenuItem = menu.findItem(R.id.action_grid_size)
-        if (RetroUtil.isLandscape()) {
+        if (RetroUtil.isLandscape) {
             gridSizeItem.setTitle(R.string.action_grid_size_land)
         }
         setUpGridSizeMenu(gridSizeItem.subMenu)

app/src/main/java/code/name/monkey/retromusic/util/RetroUtil.kt

@@ -11,149 +11,144 @@
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  * See the GNU General Public License for more details.
  */
+package code.name.monkey.retromusic.util
 
-package code.name.monkey.retromusic.util;
+import android.content.Context
+import android.content.res.Configuration
+import android.content.res.Resources
+import code.name.monkey.retromusic.App.Companion.getContext
+import android.view.WindowManager
+import androidx.annotation.DrawableRes
+import androidx.annotation.ColorInt
+import android.graphics.drawable.Drawable
+import code.name.monkey.appthemehelper.util.TintHelper
+import android.content.res.Resources.Theme
+import android.graphics.Point
+import android.view.Display
+import androidx.core.content.res.ResourcesCompat
+import androidx.core.view.DisplayCompat
+import java.lang.Exception
+import java.net.InetAddress
+import java.net.NetworkInterface
+import java.text.DecimalFormat
+import java.util.*
 
-import android.content.Context;
+object RetroUtil {
-import android.content.res.Configuration;
+    fun formatValue(value: Float): String {
-import android.content.res.Resources;
+        var value = value
-import android.graphics.Point;
+        val arr = arrayOf("", "K", "M", "B", "T", "P", "E")
-import android.graphics.drawable.Drawable;
+        var index = 0
-import android.view.Display;
+        while (value / 1000 >= 1) {
-import android.view.WindowManager;
+            value /= 1000
-
+            index++
-import androidx.annotation.ColorInt;
-import androidx.annotation.DrawableRes;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.core.content.res.ResourcesCompat;
-
-import java.net.InetAddress;
-import java.net.NetworkInterface;
-import java.text.DecimalFormat;
-import java.util.Collections;
-import java.util.List;
-
-import code.name.monkey.appthemehelper.util.TintHelper;
-import code.name.monkey.retromusic.App;
-
-public class RetroUtil {
-
-  public static String formatValue(float value) {
-    String[] arr = {"", "K", "M", "B", "T", "P", "E"};
-    int index = 0;
-    while ((value / 1000) >= 1) {
-      value = value / 1000;
-      index++;
         }
-    DecimalFormat decimalFormat = new DecimalFormat("#.##");
+        val decimalFormat = DecimalFormat("#.##")
-    return String.format("%s %s", decimalFormat.format(value), arr[index]);
+        return String.format("%s %s", decimalFormat.format(value.toDouble()), arr[index])
     }
 
-  public static float frequencyCount(int frequency) {
+    fun frequencyCount(frequency: Int): Float {
-    return (float) (frequency / 1000.0);
+        return (frequency / 1000.0).toFloat()
     }
 
-  public static Point getScreenSize(@NonNull Context c) {
+    fun getScreenSize(c: Context): Point {
-    Display display = null;
+        var display: Display? = null
         if (c.getSystemService(Context.WINDOW_SERVICE) != null) {
-      display = ((WindowManager) c.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
+            display = (c.getSystemService(Context.WINDOW_SERVICE) as WindowManager).defaultDisplay
         }
-    Point size = new Point();
+        val size = Point()
-    if (display != null) {
+        display?.getSize(size)
-      display.getSize(size);
+        return size
-    }
-    return size;
     }
 
-  public static int getStatusBarHeight() {
+    val statusBarHeight: Int
-    int result = 0;
+        get() {
-    int resourceId =
+            var result = 0
-            App.Companion.getContext()
+            val resourceId = getContext()
-                    .getResources()
+                .resources
-                    .getIdentifier("status_bar_height", "dimen", "android");
+                .getIdentifier("status_bar_height", "dimen", "android")
             if (resourceId > 0) {
-      result = App.Companion.getContext().getResources().getDimensionPixelSize(resourceId);
+                result = getContext().resources.getDimensionPixelSize(resourceId)
             }
-    return result;
+            return result
         }
 
-  public static int getNavigationBarHeight() {
+    val navigationBarHeight: Int
-    int result = 0;
+        get() {
-    int resourceId =
+            var result = 0
-            App.Companion.getContext()
+            val resourceId = getContext()
-                    .getResources()
+                .resources
-                    .getIdentifier("navigation_bar_height", "dimen", "android");
+                .getIdentifier("navigation_bar_height", "dimen", "android")
             if (resourceId > 0) {
-      result = App.Companion.getContext().getResources().getDimensionPixelSize(resourceId);
+                result = getContext().resources.getDimensionPixelSize(resourceId)
             }
-    return result;
+            return result
         }
 
-  @NonNull
+    fun getTintedVectorDrawable(
-  public static Drawable getTintedVectorDrawable(
+        context: Context, @DrawableRes id: Int, @ColorInt color: Int
-          @NonNull Context context, @DrawableRes int id, @ColorInt int color) {
+    ): Drawable {
         return TintHelper.createTintedDrawable(
-            getVectorDrawable(context.getResources(), id, context.getTheme()), color);
+            getVectorDrawable(context.resources, id, context.theme), color)
     }
 
-  @NonNull
+    fun getTintedVectorDrawable(
-  public static Drawable getTintedVectorDrawable(
+        res: Resources,
-          @NonNull Resources res,
+        @DrawableRes resId: Int,
-          @DrawableRes int resId,
+        theme: Theme?,
-          @Nullable Resources.Theme theme,
+        @ColorInt color: Int
-          @ColorInt int color) {
+    ): Drawable {
-    return TintHelper.createTintedDrawable(getVectorDrawable(res, resId, theme), color);
+        return TintHelper.createTintedDrawable(getVectorDrawable(res, resId, theme), color)
     }
 
-  @Nullable
+    private fun getVectorDrawable(
-  public static Drawable getVectorDrawable(
+        res: Resources, @DrawableRes resId: Int, theme: Theme?
-          @NonNull Resources res, @DrawableRes int resId, @Nullable Resources.Theme theme) {
+    ): Drawable? {
-    return ResourcesCompat.getDrawable(res, resId, theme);
+        return ResourcesCompat.getDrawable(res, resId, theme)
     }
 
-  public static boolean isLandscape() {
+    val isLandscape: Boolean
-    return App.Companion.getContext().getResources().getConfiguration().orientation
+        get() = (getContext().resources.configuration.orientation
-            == Configuration.ORIENTATION_LANDSCAPE;
+                == Configuration.ORIENTATION_LANDSCAPE)
-  }
+    val isTablet: Boolean
+        get() = (getContext().resources.configuration.smallestScreenWidthDp
+                >= 600)
 
-  public static boolean isTablet() {
+    fun getIpAddress(useIPv4: Boolean): String? {
-    return App.Companion.getContext().getResources().getConfiguration().smallestScreenWidthDp
-            >= 600;
-  }
-
-  public static String getIpAddress(boolean useIPv4) {
         try {
-      List<NetworkInterface> interfaces =
+            val interfaces: List<NetworkInterface> =
-              Collections.list(NetworkInterface.getNetworkInterfaces());
+                Collections.list(NetworkInterface.getNetworkInterfaces())
-      for (NetworkInterface intf : interfaces) {
+            for (intf in interfaces) {
-        List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
+                val addrs: List<InetAddress> = Collections.list(intf.inetAddresses)
-        for (InetAddress addr : addrs) {
+                for (addr in addrs) {
-          if (!addr.isLoopbackAddress()) {
+                    if (!addr.isLoopbackAddress) {
-            String sAddr = addr.getHostAddress();
+                        val sAddr = addr.hostAddress
-            //boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
+
-            boolean isIPv4 = sAddr.indexOf(':') < 0;
+                        if (sAddr != null) {
+                            val isIPv4 = sAddr.indexOf(':') < 0
                             if (useIPv4) {
-              if (isIPv4) return sAddr;
+                                if (isIPv4) return sAddr
                             } else {
                                 if (!isIPv4) {
-                int delim = sAddr.indexOf('%'); // drop ip6 zone suffix
+                                    val delim = sAddr.indexOf('%') // drop ip6 zone suffix
-                if (delim < 0) {
+                                    return if (delim < 0) {
-                  return sAddr.toUpperCase();
+                                        sAddr.uppercase()
                                     } else {
-                  return sAddr.substring(
+                                        sAddr.substring(
                                             0,
                                             delim
-                  ).toUpperCase();
+                                        ).uppercase()
-                }
                                     }
                                 }
                             }
+                        } else {
+                            return null
                         }
 
                     }
-    } catch (Exception ignored) {
                 }
-    return "";
+            }
+        } catch (ignored: Exception) {
+        }
+        return ""
     }
 }

app/src/main/java/code/name/monkey/retromusic/views/insets/InsetsConstraintLayout.kt

@@ -12,7 +12,7 @@ class InsetsConstraintLayout @JvmOverloads constructor(
     defStyleAttr: Int = 0
 ) : ConstraintLayout(context, attrs, defStyleAttr) {
     init {
-        if (!RetroUtil.isLandscape())
+        if (!RetroUtil.isLandscape)
             drawAboveSystemBarsWithPadding()
     }
 }

app/src/main/java/code/name/monkey/retromusic/views/insets/InsetsLinearLayout.kt

@@ -12,7 +12,7 @@ class InsetsLinearLayout @JvmOverloads constructor(
     defStyleAttr: Int = 0
 ) : LinearLayout(context, attrs, defStyleAttr) {
     init {
-        if (!RetroUtil.isLandscape())
+        if (!RetroUtil.isLandscape)
             drawAboveSystemBarsWithPadding()
     }
 }