WIP

`r.getIdentifier("status_bar_height", "dimen", "android")` was returning
always about 24 dp, with notch not being considered. A best approach is to
use WindowInset API

app/build.gradle

@@ -176,6 +176,8 @@ dependencies {
 
     implementation 'com.github.AdrienPoupa:jaudiotagger:2.2.3'
 
+    implementation 'com.github.ologe:scroll-helper:2.0.0-beta01'
+
     implementation 'com.anjlab.android.iab.v3:library:1.1.0'
     implementation 'com.r0adkll:slidableactivity:2.1.0'
     implementation 'com.heinrichreimersoftware:material-intro:1.6'

app/src/main/java/code/name/monkey/retromusic/RetroScrollHelper.kt

@@ -0,0 +1,67 @@
+package code.name.monkey.retromusic
+
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
+import androidx.recyclerview.widget.RecyclerView
+import androidx.viewpager2.widget.ViewPager2
+import code.name.monkey.retromusic.fragments.player.normal.PlayerFragment
+import dev.olog.scrollhelper.ScrollHelper
+
+class RetroScrollHelper(
+    private val activity: FragmentActivity
+) : ScrollHelper(activity,
+    true,
+    false // TODO when true, scrolls both bottomsheet and bottom navigation
+) {
+
+    private val skipFragment = listOf(
+        PlayerFragment::class.java.name
+    )
+
+    // TODO every fragment has to have it's unique tag in order to work correctly
+    //   here you can decide what fragment will be processed by the library
+    //   probably you want to skip player fragments, ecc ..
+    override fun shouldSkipFragment(fragment: Fragment): Boolean {
+        return fragment::class.java.name in skipFragment
+    }
+
+    override fun findBottomNavigation(): View? {
+        return activity.findViewById(R.id.bottomNavigationView)
+    }
+
+    override fun findBottomSheet(): View? {
+        return activity.findViewById(R.id.slidingPanel)
+    }
+
+    override fun findFab(fragment: Fragment): View? {
+        return null
+    }
+
+    override fun findRecyclerView(fragment: Fragment): RecyclerView? {
+        return fragment.requireView().findViewById(R.id.recyclerView)
+    }
+
+    override fun findToolbar(fragment: Fragment): View? {
+        return fragment.requireActivity().findViewById(R.id.toolbarContainer)
+    }
+
+    override fun findTabLayout(fragment: Fragment): View? {
+        return null
+    }
+
+    override fun findViewPager(fragment: Fragment): ViewPager2? {
+        return null
+    }
+
+    // TODO override this if you want to apply custom padding
+    override fun updateRecyclerViewPadding(
+        fragment: Fragment,
+        recyclerView: RecyclerView,
+        topPadding: Int,
+        bottomPadding: Int
+    ) {
+        super.updateRecyclerViewPadding(fragment, recyclerView, topPadding, bottomPadding)
+    }
+
+}

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

@@ -55,6 +55,7 @@ import java.util.List;
 import code.name.monkey.appthemehelper.util.ATHUtil;
 import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper;
 import code.name.monkey.retromusic.R;
+import code.name.monkey.retromusic.RetroScrollHelper;
 import code.name.monkey.retromusic.activities.base.AbsSlidingMusicPanelActivity;
 import code.name.monkey.retromusic.dialogs.CreatePlaylistDialog;
 import code.name.monkey.retromusic.fragments.base.AbsLibraryPagerRecyclerViewCustomGridSizeFragment;
@@ -83,6 +84,7 @@ import code.name.monkey.retromusic.util.NavigationUtil;
 import code.name.monkey.retromusic.util.PreferenceUtil;
 import code.name.monkey.retromusic.util.RetroColorUtil;
 import code.name.monkey.retromusic.util.RetroUtil;
+import dev.olog.scrollhelper.ScrollHelper;
 
 /**
  * Created by hemanths on 2020-02-19.
@@ -119,6 +121,9 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
     private Toolbar mToolbar;
     private MaterialCardView mToolbarContainer;
 
+    @SuppressWarnings("FieldCanBeLocal")
+    private ScrollHelper scrollHelper;
+
     @Override
     protected void onCreate(@Nullable final Bundle savedInstanceState) {
         setDrawUnderStatusBar();
@@ -151,6 +156,8 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
         checkShowChangelog();
         AppRater.appLaunched(this);
         setupToolbar();
+
+        scrollHelper = new RetroScrollHelper(this);
     }
 
     @Override

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

@@ -111,10 +111,14 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity(),
         }
     }
 
+    override fun onPause() {
+        super.onPause()
+        bottomSheetBehavior.removeBottomSheetCallback(bottomSheetCallbackList)
+    }
+
     override fun onDestroy() {
         super.onDestroy()
-        bottomSheetBehavior.removeBottomSheetCallback(bottomSheetCallbackList)
-        if (navigationBarColorAnimator != null) navigationBarColorAnimator?.cancel() // just in case
+        navigationBarColorAnimator?.cancel() // just in case
     }
 
     protected fun wrapSlidingMusicPanel(@LayoutRes resId: Int): View {
@@ -142,7 +146,6 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity(),
         // necessary to make the views below clickable
         miniPlayerFragment?.view?.visibility = if (alpha == 0f) View.GONE else View.VISIBLE
 
-        bottomNavigationView.translationY = progress * 500
         //bottomNavigationView.alpha = alpha
     }
 
@@ -217,8 +220,8 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity(),
         }
     }
 
-    fun setBottomBarVisibility(gone: Int) {
-        bottomNavigationView.visibility = gone
+    fun setBottomBarVisibility(visibility: Int) {
+        bottomNavigationView.visibility = visibility
         hideBottomBar(false)
     }
 

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

@@ -34,20 +34,36 @@ class HomeAdapter(
     }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
-        val layout = LayoutInflater.from(activity)
-            .inflate(R.layout.section_recycler_view, parent, false)
+        println("onCreateViewHolder: $viewType")
         return when (viewType) {
-            RECENT_ARTISTS, TOP_ARTISTS -> ArtistViewHolder(layout)
-            PLAYLISTS -> PlaylistViewHolder(layout)
-            else -> {
-                AlbumViewHolder(
-                    LayoutInflater.from(activity).inflate(
-                        R.layout.metal_section_recycler_view,
-                        parent,
-                        false
-                    )
+            RECENT_ARTISTS, TOP_ARTISTS -> ArtistViewHolder(
+                LayoutInflater.from(activity).inflate(
+                    R.layout.section_recycler_view,
+                    parent,
+                    false
                 )
-            }
+            )
+            PLAYLISTS -> PlaylistViewHolder(
+                LayoutInflater.from(activity).inflate(
+                    R.layout.section_recycler_view,
+                    parent,
+                    false
+                )
+            )
+            /*TOP_ALBUMS, RECENT_ALBUMS -> AlbumViewHolder(
+                LayoutInflater.from(activity).inflate(
+                    R.layout.metal_section_recycler_view,
+                    parent,
+                    false
+                )
+            )*/
+            else -> AlbumViewHolder(
+                LayoutInflater.from(activity).inflate(
+                    R.layout.metal_section_recycler_view,
+                    parent,
+                    false
+                )
+            )
         }
     }
 
@@ -63,13 +79,17 @@ class HomeAdapter(
             }
             RECENT_ARTISTS -> {
                 val viewHolder = holder as ArtistViewHolder
-                viewHolder.bindView(list[position].arrayList.toArtists(), R.string.recent_artists)
+                viewHolder.bindView(
+                    list[position].arrayList.toArtists(),
+                    R.string.recent_artists
+                )
             }
             TOP_ARTISTS -> {
                 val viewHolder = holder as ArtistViewHolder
                 viewHolder.bindView(list[position].arrayList.toArtists(), R.string.top_artists)
             }
             PLAYLISTS -> {
+
                 val viewHolder = holder as PlaylistViewHolder
                 viewHolder.bindView(list[position].arrayList.toPlaylist(), R.string.favorites)
             }
@@ -91,14 +111,18 @@ class HomeAdapter(
         @Retention(AnnotationRetention.SOURCE)
         annotation class HomeSection
 
-        const val RECENT_ALBUMS = 3
-        const val TOP_ALBUMS = 1
-        const val RECENT_ARTISTS = 2
-        const val TOP_ARTISTS = 0
-        const val PLAYLISTS = 4
+        const val RECENT_ALBUMS = 4
+        const val TOP_ALBUMS = 2
+        const val RECENT_ARTISTS = 3
+        const val TOP_ARTISTS = 1
+        const val PLAYLISTS = 5
     }
 
-    private inner class AlbumViewHolder(view: View) : AbsHomeViewItem(view) {
+    inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+
+    }
+
+    inner class AlbumViewHolder(view: View) : AbsHomeViewItem(view) {
         fun bindView(list: ArrayList<Album>, titleRes: Int) {
             if (list.isNotEmpty()) {
                 recyclerView.apply {
@@ -130,7 +154,7 @@ class HomeAdapter(
         }
     }
 
-    private inner class PlaylistViewHolder(view: View) : AbsHomeViewItem(view) {
+    inner class PlaylistViewHolder(view: View) : AbsHomeViewItem(view) {
         fun bindView(arrayList: ArrayList<Playlist>, titleRes: Int) {
             if (arrayList.isNotEmpty()) {
                 val songs = PlaylistSongsLoader.getPlaylistSongList(activity, arrayList[0])

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

@@ -0,0 +1,34 @@
+package code.name.monkey.retromusic.adapter
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import code.name.monkey.retromusic.R
+
+class SmartPlaylistAdapter : RecyclerView.Adapter<SmartPlaylistAdapter.ViewHolder>() {
+    override fun onCreateViewHolder(
+        parent: ViewGroup,
+        viewType: Int
+    ): ViewHolder {
+        return ViewHolder(
+            LayoutInflater.from(parent.context).inflate(
+                R.layout.abs_playlists,
+                parent,
+                false
+            )
+        );
+    }
+
+    override fun getItemCount(): Int {
+        return  1
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+
+    }
+
+    inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+
+    }
+}

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

@@ -0,0 +1,10 @@
+package code.name.monkey.retromusic.extensions
+
+import android.content.Context
+import androidx.annotation.DimenRes
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Context.dip(value: Int): Int = (value * resources.displayMetrics.density).toInt()
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Context.dimen(@DimenRes resource: Int): Int = resources.getDimensionPixelSize(resource)

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

@@ -8,17 +8,13 @@ import androidx.annotation.NonNull
 import androidx.annotation.StringRes
 import androidx.recyclerview.widget.RecyclerView
 import code.name.monkey.retromusic.R
-import code.name.monkey.retromusic.helper.MusicPlayerRemote
-import code.name.monkey.retromusic.util.DensityUtil
 import code.name.monkey.retromusic.util.ThemedFastScroller.create
-import code.name.monkey.retromusic.views.ScrollingViewOnApplyWindowInsetsListener
-import com.google.android.material.appbar.AppBarLayout
 import kotlinx.android.synthetic.main.fragment_main_activity_recycler_view.*
 import me.zhanghai.android.fastscroll.FastScroller
 import me.zhanghai.android.fastscroll.FastScrollerBuilder
 
 abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>, LM : RecyclerView.LayoutManager> :
-    AbsLibraryPagerFragment(), AppBarLayout.OnOffsetChangedListener {
+    AbsLibraryPagerFragment() {
 
     protected var adapter: A? = null
     protected var layoutManager: LM? = null
@@ -31,7 +27,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        mainActivity.addOnAppBarOffsetChangedListener(this)
         initLayoutManager()
         initAdapter()
         setUpRecyclerView()
@@ -41,13 +36,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
         recyclerView.layoutManager = layoutManager
         recyclerView.adapter = adapter
         val fastScroller = create(recyclerView)
-        recyclerView.setOnApplyWindowInsetsListener(
-            ScrollingViewOnApplyWindowInsetsListener(
-                recyclerView,
-                fastScroller
-            )
-        )
-        checkForPadding()
     }
 
     protected open fun createFastScroller(recyclerView: RecyclerView): FastScroller {
@@ -60,7 +48,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
             override fun onChanged() {
                 super.onChanged()
                 checkIsEmpty()
-                checkForPadding()
             }
         })
     }
@@ -78,18 +65,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
         empty.visibility = if (adapter!!.itemCount == 0) View.VISIBLE else View.GONE
     }
 
-    private fun checkForPadding() {
-        val itemCount: Int = adapter?.itemCount ?: 0
-        val params = container.layoutParams as ViewGroup.MarginLayoutParams
-        if (itemCount > 0 && MusicPlayerRemote.playingQueue.isNotEmpty()) {
-            val height = DensityUtil.dip2px(requireContext(), 104f)
-            params.bottomMargin = height
-        } else {
-            val height = DensityUtil.dip2px(requireContext(), 52f)
-            params.bottomMargin = height
-        }
-    }
-
     private fun initLayoutManager() {
         layoutManager = createLayoutManager()
     }
@@ -99,25 +74,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
     @NonNull
     protected abstract fun createAdapter(): A
 
-    override fun onOffsetChanged(p0: AppBarLayout?, i: Int) {
-        container.setPadding(
-            container.paddingLeft,
-            container.paddingTop,
-            container.paddingRight,
-            mainActivity.totalAppBarScrollingRange + i
-        )
-    }
-
-    override fun onQueueChanged() {
-        super.onQueueChanged()
-        checkForPadding()
-    }
-
-    override fun onServiceConnected() {
-        super.onServiceConnected()
-        checkForPadding()
-    }
-
     protected fun invalidateLayoutManager() {
         initLayoutManager()
         recyclerView.layoutManager = layoutManager
@@ -129,11 +85,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
         recyclerView.adapter = adapter
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        mainActivity.removeOnAppBarOffsetChangedListener(this)
-    }
-
     fun recyclerView(): RecyclerView {
         return recyclerView
     }

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

@@ -12,6 +12,7 @@ import code.name.monkey.retromusic.model.Album
 import code.name.monkey.retromusic.mvp.presenter.AlbumsPresenter
 import code.name.monkey.retromusic.mvp.presenter.AlbumsView
 import code.name.monkey.retromusic.util.PreferenceUtil
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import javax.inject.Inject
 
 class AlbumsFragment :
@@ -51,7 +52,7 @@ class AlbumsFragment :
         get() = R.string.no_albums
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireActivity(), getGridSize())
+        return OverScrollGridLayoutManager(requireActivity(), getGridSize())
     }
 
     override fun createAdapter(): AlbumAdapter {

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

@@ -12,6 +12,7 @@ import code.name.monkey.retromusic.model.Artist
 import code.name.monkey.retromusic.mvp.presenter.ArtistsPresenter
 import code.name.monkey.retromusic.mvp.presenter.ArtistsView
 import code.name.monkey.retromusic.util.PreferenceUtil
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import javax.inject.Inject
 
 class ArtistsFragment :
@@ -63,7 +64,7 @@ class ArtistsFragment :
     }
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireActivity(), getGridSize())
+        return OverScrollGridLayoutManager(requireActivity(), getGridSize())
     }
 
     override fun createAdapter(): ArtistAdapter {

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/BannerHomeFragment.kt

@@ -14,38 +14,24 @@
 
 package code.name.monkey.retromusic.fragments.mainactivity
 
-import android.app.ActivityOptions
 import android.os.Bundle
 import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.MergeAdapter
 import code.name.monkey.retromusic.App
-import code.name.monkey.retromusic.Constants
-import code.name.monkey.retromusic.Constants.USER_BANNER
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.HomeAdapter
+import code.name.monkey.retromusic.adapter.SmartPlaylistAdapter
 import code.name.monkey.retromusic.extensions.show
 import code.name.monkey.retromusic.fragments.base.AbsMainActivityFragment
-import code.name.monkey.retromusic.helper.MusicPlayerRemote
 import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
-import code.name.monkey.retromusic.loaders.SongLoader
 import code.name.monkey.retromusic.model.Home
-import code.name.monkey.retromusic.model.smartplaylist.HistoryPlaylist
-import code.name.monkey.retromusic.model.smartplaylist.LastAddedPlaylist
-import code.name.monkey.retromusic.model.smartplaylist.MyTopTracksPlaylist
 import code.name.monkey.retromusic.mvp.presenter.HomePresenter
 import code.name.monkey.retromusic.mvp.presenter.HomeView
-import code.name.monkey.retromusic.util.NavigationUtil
-import code.name.monkey.retromusic.util.PreferenceUtil
-import com.bumptech.glide.Glide
-import com.bumptech.glide.load.engine.DiskCacheStrategy
-import kotlinx.android.synthetic.main.abs_playlists.*
-import kotlinx.android.synthetic.main.fragment_banner_home.*
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager
 import kotlinx.android.synthetic.main.home_content.*
-import java.io.File
-import java.util.*
 import javax.inject.Inject
 
 class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallbacks, HomeView {
@@ -64,27 +50,12 @@ class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallba
         savedInstanceState: Bundle?
     ): View? {
         return inflater.inflate(
-            if (PreferenceUtil.getInstance(requireContext()).isHomeBanner) R.layout.fragment_banner_home else R.layout.fragment_home,
+            R.layout.fragment_home,
             viewGroup,
             false
         )
     }
 
-    private fun loadImageFromStorage() {
-        Glide.with(requireContext())
-            .load(
-                File(
-                    PreferenceUtil.getInstance(requireContext()).profileImage,
-                    Constants.USER_PROFILE
-                )
-            )
-            .asBitmap()
-            .diskCacheStrategy(DiskCacheStrategy.NONE)
-            .skipMemoryCache(true)
-            .placeholder(R.drawable.ic_person_flat)
-            .error(R.drawable.ic_person_flat)
-            .into(userImage)
-    }
 
     private val displayMetrics: DisplayMetrics
         get() {
@@ -98,51 +69,13 @@ class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallba
         super.onViewCreated(view, savedInstanceState)
         setStatusBarColorAuto(view)
 
-        bannerImage?.setOnClickListener {
-            val options = ActivityOptions.makeSceneTransitionAnimation(
-                mainActivity,
-                userImage,
-                getString(R.string.transition_user_image)
-            )
-            NavigationUtil.goToUserInfo(requireActivity(), options)
-        }
-
-        lastAdded.setOnClickListener {
-            NavigationUtil.goToPlaylistNew(requireActivity(), LastAddedPlaylist(requireActivity()))
-        }
-
-        topPlayed.setOnClickListener {
-            NavigationUtil.goToPlaylistNew(
-                requireActivity(),
-                MyTopTracksPlaylist(requireActivity())
-            )
-        }
-
-        actionShuffle.setOnClickListener {
-            MusicPlayerRemote.openAndShuffleQueue(SongLoader.getAllSongs(requireActivity()), true)
-        }
-
-        history.setOnClickListener {
-            NavigationUtil.goToPlaylistNew(requireActivity(), HistoryPlaylist(requireActivity()))
-        }
-
-        userImage?.setOnClickListener {
-            val options = ActivityOptions.makeSceneTransitionAnimation(
-                mainActivity,
-                userImage,
-                getString(R.string.transition_user_image)
-            )
-            NavigationUtil.goToUserInfo(requireActivity(), options)
-        }
-        titleWelcome?.text =
-            String.format("%s", PreferenceUtil.getInstance(requireContext()).userName)
-
         App.musicComponent.inject(this)
         homeAdapter = HomeAdapter(mainActivity, displayMetrics)
+        val smartPlaylistAdapter: SmartPlaylistAdapter = SmartPlaylistAdapter()
 
         recyclerView.apply {
-            layoutManager = LinearLayoutManager(mainActivity)
-            adapter = homeAdapter
+            layoutManager = OverScrollLinearLayoutManager(mainActivity)
+            adapter = MergeAdapter(smartPlaylistAdapter, homeAdapter)
         }
         homePresenter.attachView(this)
         homePresenter.loadSections()
@@ -152,11 +85,6 @@ class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallba
         return false
     }
 
-    override fun onResume() {
-        super.onResume()
-        getTimeOfTheDay()
-    }
-
     override fun onDestroyView() {
         super.onDestroyView()
         homePresenter.detachView()
@@ -166,49 +94,6 @@ class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallba
         emptyContainer.show()
     }
 
-    private fun getTimeOfTheDay() {
-        val c = Calendar.getInstance()
-        val timeOfDay = c.get(Calendar.HOUR_OF_DAY)
-        var images = arrayOf<String>()
-        when (timeOfDay) {
-            in 0..5 -> images = resources.getStringArray(R.array.night)
-            in 6..11 -> images = resources.getStringArray(R.array.morning)
-            in 12..15 -> images = resources.getStringArray(R.array.after_noon)
-            in 16..19 -> images = resources.getStringArray(R.array.evening)
-            in 20..23 -> images = resources.getStringArray(R.array.night)
-        }
-        val day = images[Random().nextInt(images.size)]
-        loadTimeImage(day)
-    }
-
-    private fun loadTimeImage(day: String) {
-        bannerImage?.let {
-            val request = Glide.with(requireContext())
-            if (PreferenceUtil.getInstance(requireContext()).bannerImage.isEmpty()) {
-                request.load(day)
-                    .diskCacheStrategy(DiskCacheStrategy.NONE)
-                    .skipMemoryCache(true)
-                    .placeholder(R.drawable.material_design_default)
-                    .error(R.drawable.material_design_default)
-                    .into(it)
-            } else {
-                request.load(
-                    File(
-                        PreferenceUtil.getInstance(requireContext()).bannerImage,
-                        USER_BANNER
-                    )
-                )
-                    .asBitmap()
-                    .diskCacheStrategy(DiskCacheStrategy.NONE)
-                    .skipMemoryCache(true)
-                    .placeholder(R.drawable.material_design_default)
-                    .error(R.drawable.material_design_default)
-                    .into(it)
-            }
-        }
-        loadImageFromStorage()
-    }
-
     companion object {
 
         const val TAG: String = "BannerHomeFragment"

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/FoldersFragment.java

@@ -24,7 +24,6 @@ import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.ViewGroup.MarginLayoutParams;
 import android.webkit.MimeTypeMap;
 import android.widget.PopupMenu;
 import android.widget.TextView;
@@ -34,7 +33,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
-import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.afollestad.materialcab.MaterialCab;
@@ -50,7 +48,6 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Objects;
 
 import code.name.monkey.appthemehelper.ThemeStore;
 import code.name.monkey.appthemehelper.util.ATHUtil;
@@ -67,19 +64,16 @@ import code.name.monkey.retromusic.misc.DialogAsyncTask;
 import code.name.monkey.retromusic.misc.UpdateToastMediaScannerCompletionListener;
 import code.name.monkey.retromusic.misc.WrappedAsyncTaskLoader;
 import code.name.monkey.retromusic.model.Song;
-import code.name.monkey.retromusic.util.DensityUtil;
 import code.name.monkey.retromusic.util.FileUtil;
 import code.name.monkey.retromusic.util.PreferenceUtil;
 import code.name.monkey.retromusic.util.RetroColorUtil;
 import code.name.monkey.retromusic.util.ThemedFastScroller;
-import code.name.monkey.retromusic.views.BreadCrumbLayout;
 import code.name.monkey.retromusic.views.ScrollingViewOnApplyWindowInsetsListener;
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager;
 import me.zhanghai.android.fastscroll.FastScroller;
 
 public class FoldersFragment extends AbsMainActivityFragment implements
-        MainActivityFragmentCallbacks,
-        CabHolder, BreadCrumbLayout.SelectionCallback, SongFileAdapter.Callbacks,
-        LoaderManager.LoaderCallbacks<List<File>> {
+        MainActivityFragmentCallbacks, CabHolder, SongFileAdapter.Callbacks, LoaderManager.LoaderCallbacks<List<File>> {
 
     public static final String TAG = FoldersFragment.class.getSimpleName();
     public static final FileFilter AUDIO_FILE_FILTER = file -> !file.isHidden() && (file.isDirectory() ||
@@ -87,11 +81,11 @@ public class FoldersFragment extends AbsMainActivityFragment implements
             FileUtil.fileIsMimeType(file, "application/opus", MimeTypeMap.getSingleton()) ||
             FileUtil.fileIsMimeType(file, "application/ogg", MimeTypeMap.getSingleton()));
     private static final String PATH = "path";
-    private static final String CRUMBS = "crumbs";
     private static final int LOADER_ID = LoaderIds.Companion.getFOLDERS_FRAGMENT();
     private SongFileAdapter adapter;
-    private BreadCrumbLayout breadCrumbs;
+
     private MaterialCab cab;
+    private File file;
     private View coordinatorLayout, empty;
     private TextView emojiText;
     private Comparator<File> fileComparator = (lhs, rhs) -> {
@@ -110,7 +104,7 @@ public class FoldersFragment extends AbsMainActivityFragment implements
     }
 
     public static File getDefaultStartDirectory() {
-        File musicDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC);
+        File musicDir = Environment.getExternalStorageDirectory();
         File startFolder;
         if (musicDir.exists() && musicDir.isDirectory()) {
             startFolder = musicDir;
@@ -159,8 +153,6 @@ public class FoldersFragment extends AbsMainActivityFragment implements
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         setStatusBarColorAuto(view);
-        setUpAppbarColor();
-        setUpBreadCrumbs();
         setUpRecyclerView();
         setUpAdapter();
     }
@@ -171,39 +163,19 @@ public class FoldersFragment extends AbsMainActivityFragment implements
 
         if (savedInstanceState == null) {
             //noinspection ConstantConditions
-            setCrumb(new BreadCrumbLayout.Crumb(
-                    FileUtil.safeGetCanonicalFile((File) getArguments().getSerializable(PATH))), true);
+            setCrumb(FileUtil.safeGetCanonicalFile((File) getArguments().getSerializable(PATH)));
         } else {
-            breadCrumbs.restoreFromStateWrapper(savedInstanceState.getParcelable(CRUMBS));
+
             getLoaderManager().initLoader(LOADER_ID, null, this);
         }
     }
 
-    @Override
-    public void onPause() {
-        super.onPause();
-        saveScrollPosition();
-    }
-
-    @Override
-    public void onSaveInstanceState(@NonNull Bundle outState) {
-        super.onSaveInstanceState(outState);
-        if (breadCrumbs != null) {
-            outState.putParcelable(CRUMBS, breadCrumbs.getStateWrapper());
-        }
-
-    }
-
     @Override
     public boolean handleBackPress() {
         if (cab != null && cab.isActive()) {
             cab.finish();
             return true;
         }
-        if (breadCrumbs != null && breadCrumbs.popHistory()) {
-            setCrumb(breadCrumbs.lastHistory(), false);
-            return true;
-        }
         return false;
     }
 
@@ -213,10 +185,6 @@ public class FoldersFragment extends AbsMainActivityFragment implements
         return new AsyncFileLoader(this);
     }
 
-    @Override
-    public void onCrumbSelection(BreadCrumbLayout.Crumb crumb, int index) {
-        setCrumb(crumb, true);
-    }
 
     @Override
     public void onFileMenuClicked(final File file, View view) {
@@ -286,7 +254,7 @@ public class FoldersFragment extends AbsMainActivityFragment implements
     public void onFileSelected(File file) {
         file = tryGetCanonicalFile(file); // important as we compare the path value later
         if (file.isDirectory()) {
-            setCrumb(new BreadCrumbLayout.Crumb(file), true);
+            setCrumb(file);
         } else {
             FileFilter fileFilter = pathname -> !pathname.isDirectory() && AUDIO_FILE_FILTER
                     .accept(pathname);
@@ -340,34 +308,21 @@ public class FoldersFragment extends AbsMainActivityFragment implements
     public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         switch (item.getItemId()) {
             case R.id.action_go_to_start_directory:
-                setCrumb(new BreadCrumbLayout.Crumb(
-                        tryGetCanonicalFile(PreferenceUtil.getInstance(requireContext()).getStartDirectory())), true);
+                setCrumb(tryGetCanonicalFile(PreferenceUtil.getInstance(requireContext()).getStartDirectory()));
                 return true;
             case R.id.action_scan:
-                BreadCrumbLayout.Crumb crumb = getActiveCrumb();
-                if (crumb != null) {
+
+              /*  if (crumb != null) {
                     //noinspection Convert2MethodRef
                     new ListPathsAsyncTask(getActivity(), paths -> scanPaths(paths))
                             .execute(new ListPathsAsyncTask.LoadingInfo(crumb.getFile(),
                                     AUDIO_FILE_FILTER));
-                }
+                }*/
                 return true;
         }
         return super.onOptionsItemSelected(item);
     }
 
-    @Override
-    public void onQueueChanged() {
-        super.onQueueChanged();
-        checkForPadding();
-    }
-
-    @Override
-    public void onServiceConnected() {
-        super.onServiceConnected();
-        checkForPadding();
-    }
-
     @NonNull
     @Override
     public MaterialCab openCab(int menuRes, MaterialCab.Callback callback) {
@@ -383,12 +338,6 @@ public class FoldersFragment extends AbsMainActivityFragment implements
         return cab;
     }
 
-    private void checkForPadding() {
-        final int count = adapter.getItemCount();
-        final MarginLayoutParams params = (MarginLayoutParams) coordinatorLayout.getLayoutParams();
-        params.bottomMargin = count > 0 && !MusicPlayerRemote.getPlayingQueue().isEmpty() ? DensityUtil
-                .dip2px(requireContext(), 104f) : DensityUtil.dip2px(requireContext(), 54f);
-    }
 
     private void checkIsEmpty() {
         emojiText.setText(getEmojiByUnicode(0x1F631));
@@ -397,11 +346,6 @@ public class FoldersFragment extends AbsMainActivityFragment implements
         }
     }
 
-    @Nullable
-    private BreadCrumbLayout.Crumb getActiveCrumb() {
-        return breadCrumbs != null && breadCrumbs.size() > 0 ? breadCrumbs
-                .getCrumb(breadCrumbs.getActiveIndex()) : null;
-    }
 
     private String getEmojiByUnicode(int unicode) {
         return new String(Character.toChars(unicode));
@@ -414,18 +358,11 @@ public class FoldersFragment extends AbsMainActivityFragment implements
     private void initViews(View view) {
         coordinatorLayout = view.findViewById(R.id.coordinatorLayout);
         recyclerView = view.findViewById(R.id.recyclerView);
-        breadCrumbs = view.findViewById(R.id.breadCrumbs);
+
         empty = view.findViewById(android.R.id.empty);
         emojiText = view.findViewById(R.id.emptyEmoji);
     }
 
-    private void saveScrollPosition() {
-        BreadCrumbLayout.Crumb crumb = getActiveCrumb();
-        if (crumb != null) {
-            crumb.setScrollPosition(
-                    ((LinearLayoutManager) recyclerView.getLayoutManager()).findFirstVisibleItemPosition());
-        }
-    }
 
     private void scanPaths(@Nullable String[] toBeScanned) {
         if (getActivity() == null) {
@@ -439,15 +376,12 @@ public class FoldersFragment extends AbsMainActivityFragment implements
         }
     }
 
-    private void setCrumb(BreadCrumbLayout.Crumb crumb, boolean addToHistory) {
-        if (crumb == null) {
-            return;
-        }
-        saveScrollPosition();
-        breadCrumbs.setActiveOrAdd(crumb, false);
-        if (addToHistory) {
-            breadCrumbs.addHistory(crumb);
-        }
+    public File getFile() {
+        return file;
+    }
+
+    private void setCrumb(File file) {
+        this.file = file;
         getLoaderManager().restartLoader(LOADER_ID, null, this);
     }
 
@@ -459,26 +393,15 @@ public class FoldersFragment extends AbsMainActivityFragment implements
             public void onChanged() {
                 super.onChanged();
                 checkIsEmpty();
-                checkForPadding();
             }
         });
         recyclerView.setAdapter(adapter);
         checkIsEmpty();
     }
 
-    private void setUpAppbarColor() {
-        breadCrumbs.setActivatedContentColor(
-                ATHUtil.INSTANCE.resolveColor(requireContext(), android.R.attr.textColorPrimary));
-        breadCrumbs.setDeactivatedContentColor(
-                ATHUtil.INSTANCE.resolveColor(requireContext(), android.R.attr.textColorSecondary));
-    }
-
-    private void setUpBreadCrumbs() {
-        breadCrumbs.setCallback(this);
-    }
 
     private void setUpRecyclerView() {
-        recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+        recyclerView.setLayoutManager(new OverScrollLinearLayoutManager(getActivity()));
         FastScroller fastScroller = ThemedFastScroller.INSTANCE.create(recyclerView);
         recyclerView.setOnApplyWindowInsetsListener(
                 new ScrollingViewOnApplyWindowInsetsListener(recyclerView, fastScroller));
@@ -492,11 +415,7 @@ public class FoldersFragment extends AbsMainActivityFragment implements
 
     private void updateAdapter(@NonNull List<File> files) {
         adapter.swapDataSet(files);
-        BreadCrumbLayout.Crumb crumb = getActiveCrumb();
-        if (crumb != null && recyclerView != null) {
-            ((LinearLayoutManager) recyclerView.getLayoutManager())
-                    .scrollToPositionWithOffset(crumb.getScrollPosition(), 0);
-        }
+
     }
 
     public static class ListPathsAsyncTask extends
@@ -595,7 +514,7 @@ public class FoldersFragment extends AbsMainActivityFragment implements
         private WeakReference<FoldersFragment> fragmentWeakReference;
 
         AsyncFileLoader(FoldersFragment foldersFragment) {
-            super(Objects.requireNonNull(foldersFragment.getActivity()));
+            super(foldersFragment.requireActivity());
             fragmentWeakReference = new WeakReference<>(foldersFragment);
         }
 
@@ -604,10 +523,7 @@ public class FoldersFragment extends AbsMainActivityFragment implements
             FoldersFragment foldersFragment = fragmentWeakReference.get();
             File directory = null;
             if (foldersFragment != null) {
-                BreadCrumbLayout.Crumb crumb = foldersFragment.getActiveCrumb();
-                if (crumb != null) {
-                    directory = crumb.getFile();
-                }
+                directory = foldersFragment.getFile();
             }
             if (directory != null) {
                 List<File> files = FileUtil.listFiles(directory, AUDIO_FILE_FILTER);

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

@@ -25,6 +25,7 @@ import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 import code.name.monkey.retromusic.model.Genre
 import code.name.monkey.retromusic.mvp.presenter.GenresPresenter
 import code.name.monkey.retromusic.mvp.presenter.GenresView
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager
 import javax.inject.Inject
 
 class GenresFragment : AbsLibraryPagerRecyclerViewFragment<GenreAdapter, LinearLayoutManager>(),
@@ -42,7 +43,7 @@ class GenresFragment : AbsLibraryPagerRecyclerViewFragment<GenreAdapter, LinearL
     }
 
     override fun createLayoutManager(): LinearLayoutManager {
-        return LinearLayoutManager(activity)
+        return OverScrollLinearLayoutManager(activity)
     }
 
     override fun createAdapter(): GenreAdapter {

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/PlayingQueueFragment.kt

@@ -28,6 +28,7 @@ import com.h6ah4i.android.widget.advrecyclerview.draggable.RecyclerViewDragDropM
 import com.h6ah4i.android.widget.advrecyclerview.swipeable.RecyclerViewSwipeManager
 import com.h6ah4i.android.widget.advrecyclerview.touchguard.RecyclerViewTouchActionGuardManager
 import com.h6ah4i.android.widget.advrecyclerview.utils.WrapperAdapterUtils
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager
 import kotlinx.android.synthetic.main.activity_playing_queue.*
 
 /**
@@ -73,7 +74,7 @@ class PlayingQueueFragment :
     }
 
     override fun createLayoutManager(): LinearLayoutManager {
-        return LinearLayoutManager(requireContext())
+        return OverScrollLinearLayoutManager(requireContext())
     }
 
     override fun createAdapter(): PlayingQueueAdapter {

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

@@ -13,6 +13,7 @@ import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 import code.name.monkey.retromusic.model.Playlist
 import code.name.monkey.retromusic.mvp.presenter.PlaylistView
 import code.name.monkey.retromusic.mvp.presenter.PlaylistsPresenter
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import javax.inject.Inject
 
 class PlaylistsFragment :
@@ -40,7 +41,7 @@ class PlaylistsFragment :
     }
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireContext(), 1)
+        return OverScrollGridLayoutManager(requireContext(), 1)
     }
 
     override fun createAdapter(): PlaylistAdapter {

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

@@ -14,6 +14,7 @@ import code.name.monkey.retromusic.model.Song
 import code.name.monkey.retromusic.mvp.presenter.SongPresenter
 import code.name.monkey.retromusic.mvp.presenter.SongView
 import code.name.monkey.retromusic.util.PreferenceUtil
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import java.util.*
 import javax.inject.Inject
 
@@ -39,7 +40,7 @@ class SongsFragment :
     }
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireActivity(), getGridSize()).apply {
+        return OverScrollGridLayoutManager(requireActivity(), getGridSize()).apply {
             spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
                 override fun getSpanSize(position: Int): Int {
                     return if (position == 0) {

app/src/main/java/code/name/monkey/retromusic/util/PreferenceUtil.java

@@ -185,7 +185,7 @@ public final class PreferenceUtil {
 
     private static final String AUTO_DOWNLOAD_IMAGES_POLICY = "auto_download_images_policy";
 
-    private static final String START_DIRECTORY = "start_directory";
+    private static final String START_DIRECTORY = "start_directory_";
 
     private static final String SYNCHRONIZED_LYRICS_SHOW = "synchronized_lyrics_show";
 

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

@@ -18,11 +18,13 @@ import code.name.monkey.appthemehelper.ThemeStore.Companion.accentColor
 import code.name.monkey.appthemehelper.util.ColorUtil.isColorLight
 import code.name.monkey.appthemehelper.util.MaterialValueHelper.getPrimaryTextColor
 import code.name.monkey.appthemehelper.util.TintHelper
+import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.extensions.dimen
+import code.name.monkey.retromusic.extensions.dip
 import code.name.monkey.retromusic.views.PopupBackground
 import me.zhanghai.android.fastscroll.FastScroller
 import me.zhanghai.android.fastscroll.FastScrollerBuilder
 import me.zhanghai.android.fastscroll.PopupStyles
-import me.zhanghai.android.fastscroll.R
 
 object ThemedFastScroller {
     fun create(view: ViewGroup): FastScroller {
@@ -37,6 +39,13 @@ object ThemedFastScroller {
             popupText.setTextColor(textColor)
         }
 
+        fastScrollerBuilder.setPadding(
+            0,
+            view.context.dimen(R.dimen.toolbar_height) + view.context.dip(8),
+            0,
+            view.context.dimen(R.dimen.mini_player_height)
+        )
+
         fastScrollerBuilder.setThumbDrawable(
             TintHelper.createTintedDrawable(
                 context,

app/src/main/java/code/name/monkey/retromusic/views/StatusBarView.java

@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * 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 code.name.monkey.retromusic.views;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.util.AttributeSet;
-import android.view.View;
-
-import androidx.annotation.NonNull;
-
-public class StatusBarView extends View {
-
-
-    public StatusBarView(@NonNull Context context) {
-        super(context);
-        init(context);
-    }
-
-    public StatusBarView(@NonNull Context context, @NonNull AttributeSet attrs) {
-        super(context, attrs);
-        init(context);
-    }
-
-    public StatusBarView(@NonNull Context context, @NonNull AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-        init(context);
-    }
-
-    public static int getStatusBarHeight(@NonNull Resources r) {
-        int result = 0;
-        int resourceId = r.getIdentifier("status_bar_height", "dimen", "android");
-        if (resourceId > 0) {
-            result = r.getDimensionPixelSize(resourceId);
-        }
-        return result;
-    }
-
-    private void init(Context context) {
-
-    }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), getStatusBarHeight(getResources()));
-    }
-}

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

@@ -0,0 +1,30 @@
+package code.name.monkey.retromusic.views
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+
+class StatusBarView(
+    context: Context,
+    attrs: AttributeSet
+) : View(context, attrs) {
+
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+        if (isInEditMode){
+            return
+        }
+        setOnApplyWindowInsetsListener { _, insets ->
+            val height = insets?.systemWindowInsetTop ?: 0
+            setHeight(height)
+            insets
+        }
+    }
+
+    private fun setHeight(px: Int) {
+        val params = layoutParams ?: return
+        params.height = px
+        layoutParams = params
+    }
+
+}

app/src/main/res/layout/activity_main_content.xml

@@ -1,79 +1,72 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?colorSurface"
-    android:orientation="vertical">
+    android:background="?colorSurface">
+
+    <!--    TODO in order to work, children has to be defined in reverse drawing order-->
+    <!--    TODO so: first fragment_container, than toolbar, than statusbar -->
 
     <FrameLayout
-        android:layout_width="match_parent"
+        android:id="@+id/fragment_container"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/status_bar" />
+
+    <com.google.android.material.card.MaterialCardView
+        android:id="@+id/toolbarContainer"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:elevation="0dp"
-        tools:ignore="UnusedAttribute">
-
-        <include layout="@layout/status_bar" />
-
-    </FrameLayout>
-
-    <androidx.coordinatorlayout.widget.CoordinatorLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <com.google.android.material.appbar.AppBarLayout
-            android:id="@+id/appBarLayout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:background="@android:color/transparent"
-            android:elevation="0dp"
-            app:elevation="0dp"
-            app:liftOnScroll="true">
-
-            <com.google.android.material.card.MaterialCardView
-                android:id="@+id/toolbarContainer"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                app:cardCornerRadius="8dp"
-                app:cardUseCompatPadding="true"
-                app:layout_scrollFlags="scroll|enterAlways">
-
-                <FrameLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content">
-
-                    <androidx.appcompat.widget.Toolbar
-                        android:id="@+id/toolbar"
-                        android:layout_width="match_parent"
-                        android:layout_height="@dimen/toolbar_height"
-                        android:background="?attr/colorSurface"
-                        app:popupTheme="?attr/toolbarPopupTheme"
-                        app:titleTextColor="?attr/colorControlNormal"
-                        app:titleTextAppearance="@style/TextViewHeadline6"
-                        tools:ignore="UnusedAttribute">
-
-                        <com.google.android.material.textview.MaterialTextView
-                            android:id="@+id/appTitle"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:gravity="center"
-                            android:text="@string/app_name"
-                            android:textColor="?attr/colorControlNormal"
-                            android:textAppearance="@style/TextViewHeadline6" />
-                    </androidx.appcompat.widget.Toolbar>
-
-                    <ViewStub
-                        android:id="@+id/cab_stub"
-                        android:layout_width="match_parent"
-                        android:layout_height="@dimen/toolbar_height" />
-                </FrameLayout>
-            </com.google.android.material.card.MaterialCardView>
-        </com.google.android.material.appbar.AppBarLayout>
+        app:cardCornerRadius="8dp"
+        app:cardUseCompatPadding="true"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/status_bar"
+        app:layout_scrollFlags="scroll|enterAlways">
 
         <FrameLayout
-            android:id="@+id/fragment_container"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
-    </androidx.coordinatorlayout.widget.CoordinatorLayout>
-</LinearLayout>
+            android:layout_height="wrap_content">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/toolbar_height"
+                android:background="?attr/colorSurface"
+                app:popupTheme="?attr/toolbarPopupTheme"
+                app:titleTextAppearance="@style/TextViewHeadline6"
+                app:titleTextColor="?attr/colorControlNormal"
+                tools:ignore="UnusedAttribute">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/appTitle"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:gravity="center"
+                    android:text="@string/app_name"
+                    android:textAppearance="@style/TextViewHeadline6"
+                    android:textColor="?attr/colorControlNormal" />
+            </androidx.appcompat.widget.Toolbar>
+
+            <ViewStub
+                android:id="@+id/cab_stub"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/toolbar_height" />
+        </FrameLayout>
+    </com.google.android.material.card.MaterialCardView>
+
+    <include
+        layout="@layout/status_bar"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:layout_height="24dp" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_banner_home.xml

@@ -17,6 +17,7 @@
     android:id="@+id/container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:layout_marginTop="@dimen/toolbar_height"
     app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
 
     <androidx.constraintlayout.widget.ConstraintLayout

app/src/main/res/layout/fragment_home.xml

@@ -11,63 +11,72 @@
   ~ without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   ~ See the GNU General Public License for more details.
   -->
-<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/container"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
+    android:layout_height="match_parent">
 
-    <androidx.constraintlayout.widget.ConstraintLayout
+    <!-- <code.name.monkey.retromusic.views.RetroShapeableImageView
+         android:id="@+id/userImage"
+         android:layout_width="42dp"
+         android:layout_height="42dp"
+         android:layout_marginStart="16dp"
+         android:layout_marginTop="16dp"
+         android:layout_marginBottom="8dp"
+         android:scaleType="centerCrop"
+         app:layout_constraintStart_toStartOf="parent"
+         app:layout_constraintTop_toTopOf="parent"
+         app:retroCornerSize="21dp"
+         tools:srcCompat="@tools:sample/avatars" />
+
+     <com.google.android.material.textview.MaterialTextView
+         android:id="@+id/text"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_marginStart="16dp"
+         android:ellipsize="end"
+         android:text="@string/welcome"
+         app:layout_constraintStart_toEndOf="@+id/userImage"
+         app:layout_constraintTop_toTopOf="@+id/userImage"
+         tools:text="@tools:sample/lorem" />
+
+     <com.google.android.material.textview.MaterialTextView
+         android:id="@+id/titleWelcome"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_marginStart="16dp"
+         android:padding="0dp"
+         android:textAppearance="@style/TextViewHeadline5"
+         android:textColor="?android:attr/textColorPrimary"
+         android:textStyle="bold"
+         app:layout_constraintBottom_toBottomOf="@+id/userImage"
+         app:layout_constraintStart_toEndOf="@+id/userImage"
+         app:layout_constraintTop_toBottomOf="@+id/text"
+         tools:text="@tools:sample/lorem" />
+-->
+    <!--<include
+        layout="@layout/home_content"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/titleWelcome" />-->
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerView"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="match_parent"
+        android:nestedScrollingEnabled="false"
+        android:overScrollMode="never"
+        app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:spanCount="3"
+        tools:itemCount="3"
+        tools:listitem="@layout/item_album_card" />
 
-        <code.name.monkey.retromusic.views.RetroShapeableImageView
-            android:id="@+id/userImage"
-            android:layout_width="42dp"
-            android:layout_height="42dp"
-            android:layout_marginStart="16dp"
-            android:layout_marginTop="16dp"
-            android:layout_marginBottom="8dp"
-            android:scaleType="centerCrop"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
-            app:retroCornerSize="21dp"
-            tools:srcCompat="@tools:sample/avatars" />
-
-        <com.google.android.material.textview.MaterialTextView
-            android:id="@+id/text"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:ellipsize="end"
-            android:text="@string/welcome"
-            app:layout_constraintStart_toEndOf="@+id/userImage"
-            app:layout_constraintTop_toTopOf="@+id/userImage"
-            tools:text="@tools:sample/lorem" />
-
-        <com.google.android.material.textview.MaterialTextView
-            android:id="@+id/titleWelcome"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:padding="0dp"
-            android:textAppearance="@style/TextViewHeadline5"
-            android:textColor="?android:attr/textColorPrimary"
-            android:textStyle="bold"
-            app:layout_constraintBottom_toBottomOf="@+id/userImage"
-            app:layout_constraintStart_toEndOf="@+id/userImage"
-            app:layout_constraintTop_toBottomOf="@+id/text"
-            tools:text="@tools:sample/lorem" />
-
-        <include
-            layout="@layout/home_content"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/titleWelcome" />
-    </androidx.constraintlayout.widget.ConstraintLayout>
-
-</androidx.core.widget.NestedScrollView>
+</FrameLayout>

app/src/main/res/layout/fragment_main_activity_recycler_view.xml

@@ -6,15 +6,16 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+<!--    TODO note that recycler view has to cover the entire screen -->
+<!--    TODO so has to be drawn under bottom navigation, toolbar, ecc, but has to be below statusbar-->
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recyclerView"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="match_parent"
         android:clipToPadding="false"
         android:layoutAnimation="@anim/layout_animation_fall_down"
         android:overScrollMode="never"
         android:scrollbars="none"
-        app:layout_dodgeInsetEdges="bottom"
         tools:listitem="@layout/item_list" />
 
     <LinearLayout

app/src/main/res/layout/home_content.xml

@@ -22,7 +22,7 @@
     android:focusableInTouchMode="true"
     android:orientation="vertical">
 
-    <include layout="@layout/abs_playlists" />
+   <!-- <include layout="@layout/abs_playlists" />-->
 
     <FrameLayout
         android:layout_width="match_parent"

app/src/main/res/layout/sliding_music_panel_layout.xml

@@ -37,7 +37,7 @@
             android:id="@+id/miniPlayerFragment"
             android:name="code.name.monkey.retromusic.fragments.MiniPlayerFragment"
             android:layout_width="match_parent"
-            android:layout_height="48dp"
+            android:layout_height="@dimen/mini_player_height"
             tools:layout="@layout/fragment_mini_player" />
 
     </FrameLayout>

app/src/main/res/layout/status_bar.xml

@@ -5,5 +5,4 @@
     android:layout_width="match_parent"
     android:layout_height="0dp"
     android:background="@android:color/transparent"
-    android:elevation="@dimen/toolbar_elevation"
     tools:ignore="UnusedAttribute" />