I belived fixed android Navigation

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

@@ -8,11 +8,13 @@ import android.os.Bundle
 import android.provider.MediaStore
 import android.view.View
 import androidx.lifecycle.lifecycleScope
+import androidx.navigation.ui.NavigationUI
 import code.name.monkey.retromusic.*
 import code.name.monkey.retromusic.activities.base.AbsSlidingMusicPanelActivity
 import code.name.monkey.retromusic.extensions.findNavController
 import code.name.monkey.retromusic.helper.MusicPlayerRemote
 import code.name.monkey.retromusic.helper.SearchQueryHelper.getSongs
+import code.name.monkey.retromusic.model.CategoryInfo
 import code.name.monkey.retromusic.model.Song
 import code.name.monkey.retromusic.repository.PlaylistSongsLoader
 import code.name.monkey.retromusic.service.MusicService
@@ -45,6 +47,25 @@ class MainActivity : AbsSlidingMusicPanelActivity(), OnSharedPreferenceChangeLis
         hideStatusBar()
         AppRater.appLaunched(this)
         updateTabs()
+
+        //NavigationUI.setupWithNavController(getBottomNavigationView(), findNavController(R.id.fragment_container))
+        setupNavigationController()
+    }
+
+    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)
+        navController.addOnDestinationChangedListener { _, _, _ ->
+            //appBarLayout.setExpanded(true, true)
+        }
     }
 
     override fun onSupportNavigateUp(): Boolean =

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

@@ -16,7 +16,6 @@ import code.name.monkey.retromusic.helper.SortOrder
 import code.name.monkey.retromusic.helper.SortOrder.AlbumSortOrder
 import code.name.monkey.retromusic.util.PreferenceUtil
 import code.name.monkey.retromusic.util.RetroUtil
-import com.google.android.material.transition.platform.MaterialFadeThrough
 
 
 class AlbumsFragment : AbsRecyclerViewCustomGridSizeFragment<AlbumAdapter, GridLayoutManager>(),
@@ -110,6 +109,7 @@ class AlbumsFragment : AbsRecyclerViewCustomGridSizeFragment<AlbumAdapter, GridL
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
         val gridSizeItem: MenuItem = menu.findItem(R.id.action_grid_size)
         if (RetroUtil.isLandscape()) {
             gridSizeItem.setTitle(R.string.action_grid_size_land)
@@ -118,7 +118,6 @@ class AlbumsFragment : AbsRecyclerViewCustomGridSizeFragment<AlbumAdapter, GridL
         val layoutItem = menu.findItem(R.id.action_layout_type)
         setupLayoutMenu(layoutItem.subMenu)
         setUpSortOrderMenu(menu.findItem(R.id.action_sort_order).subMenu)
-        super.onCreateOptionsMenu(menu, inflater)
     }
 
     private fun setUpSortOrderMenu(

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

@@ -15,7 +15,6 @@ import code.name.monkey.retromusic.fragments.base.AbsRecyclerViewCustomGridSizeF
 import code.name.monkey.retromusic.helper.SortOrder.ArtistSortOrder
 import code.name.monkey.retromusic.util.PreferenceUtil
 import code.name.monkey.retromusic.util.RetroUtil
-import com.google.android.material.transition.platform.MaterialFadeThrough
 
 
 class ArtistsFragment : AbsRecyclerViewCustomGridSizeFragment<ArtistAdapter, GridLayoutManager>(),
@@ -102,6 +101,7 @@ class ArtistsFragment : AbsRecyclerViewCustomGridSizeFragment<ArtistAdapter, Gri
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
         val gridSizeItem: MenuItem = menu.findItem(R.id.action_grid_size)
         if (RetroUtil.isLandscape()) {
             gridSizeItem.setTitle(R.string.action_grid_size_land)
@@ -110,7 +110,7 @@ class ArtistsFragment : AbsRecyclerViewCustomGridSizeFragment<ArtistAdapter, Gri
         val layoutItem = menu.findItem(R.id.action_layout_type)
         setupLayoutMenu(layoutItem.subMenu)
         setUpSortOrderMenu(menu.findItem(R.id.action_sort_order).subMenu)
-        super.onCreateOptionsMenu(menu, inflater)
+
     }
 
     private fun setUpSortOrderMenu(

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

@@ -1,26 +1,33 @@
 package code.name.monkey.retromusic.fragments.base
 
 import android.os.Bundle
-import android.view.View
+import android.view.*
-import android.view.ViewGroup
 import androidx.annotation.NonNull
 import androidx.annotation.StringRes
+import androidx.core.text.HtmlCompat
+import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.RecyclerView
+import code.name.monkey.appthemehelper.ThemeStore
+import code.name.monkey.appthemehelper.common.ATHToolbarActivity
+import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper
 import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.dialogs.CreatePlaylistDialog
+import code.name.monkey.retromusic.dialogs.ImportPlaylistDialog
 import code.name.monkey.retromusic.fragments.LibraryViewModel
 import code.name.monkey.retromusic.helper.MusicPlayerRemote
+import code.name.monkey.retromusic.state.NowPlayingPanelState
 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 kotlinx.android.synthetic.main.fragment_main_recycler.*
 import me.zhanghai.android.fastscroll.FastScroller
 import me.zhanghai.android.fastscroll.FastScrollerBuilder
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
 
 
 abstract class AbsRecyclerViewFragment<A : RecyclerView.Adapter<*>, LM : RecyclerView.LayoutManager> :
-    AbsMusicServiceFragment(R.layout.fragment_main_activity_recycler_view),
+    AbsMainActivityFragment(R.layout.fragment_main_recycler),
     AppBarLayout.OnOffsetChangedListener {
 
     val libraryViewModel: LibraryViewModel by sharedViewModel()
@@ -36,9 +43,30 @@ abstract class AbsRecyclerViewFragment<A : RecyclerView.Adapter<*>, LM : Recycle
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        libraryViewModel.setPanelState(NowPlayingPanelState.COLLAPSED_WITH)
+        mainActivity.setSupportActionBar(toolbar)
+        mainActivity.supportActionBar?.title = null
         initLayoutManager()
         initAdapter()
         setUpRecyclerView()
+        setupTitle()
+    }
+
+    private fun setupTitle() {
+        toolbar.setNavigationOnClickListener {
+            findNavController().navigate(
+                R.id.searchFragment,
+                null,
+                navOptions
+            )
+        }
+        val color = ThemeStore.accentColor(requireContext())
+        val hexColor = String.format("#%06X", 0xFFFFFF and color)
+        val appName = HtmlCompat.fromHtml(
+            "Retro <span  style='color:$hexColor';>Music</span>",
+            HtmlCompat.FROM_HTML_MODE_COMPACT
+        )
+        appNameText.text = appName
     }
 
     private fun setUpRecyclerView() {
@@ -138,4 +166,39 @@ abstract class AbsRecyclerViewFragment<A : RecyclerView.Adapter<*>, LM : Recycle
     fun recyclerView(): RecyclerView {
         return recyclerView
     }
+
+    override fun onPrepareOptionsMenu(menu: Menu) {
+        super.onPrepareOptionsMenu(menu)
+        ToolbarContentTintHelper.handleOnPrepareOptionsMenu(requireActivity(), toolbar)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
+        inflater.inflate(R.menu.menu_main, menu)
+        ToolbarContentTintHelper.handleOnCreateOptionsMenu(
+            requireContext(),
+            toolbar,
+            menu,
+            ATHToolbarActivity.getToolbarBackgroundColor(toolbar)
+        )
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.action_settings -> findNavController().navigate(
+                R.id.settingsActivity,
+                null,
+                navOptions
+            )
+            R.id.action_import_playlist -> ImportPlaylistDialog().show(
+                childFragmentManager,
+                "ImportPlaylist"
+            )
+            R.id.action_add_to_playlist -> CreatePlaylistDialog.create(emptyList()).show(
+                childFragmentManager,
+                "ShowCreatePlaylistDialog"
+            )
+        }
+        return super.onOptionsItemSelected(item)
+    }
 }

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

@@ -20,6 +20,7 @@ import android.media.MediaScannerConnection;
 import android.os.Bundle;
 import android.os.Environment;
 import android.text.Html;
+import android.text.Spanned;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -34,8 +35,11 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.text.HtmlCompat;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
+import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -57,6 +61,7 @@ import java.util.List;
 
 import code.name.monkey.appthemehelper.ThemeStore;
 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.adapter.SongFileAdapter;
 import code.name.monkey.retromusic.fragments.base.AbsMainActivityFragment;
@@ -79,6 +84,8 @@ import code.name.monkey.retromusic.views.BreadCrumbLayout;
 import code.name.monkey.retromusic.views.ScrollingViewOnApplyWindowInsetsListener;
 import me.zhanghai.android.fastscroll.FastScroller;
 
+import static code.name.monkey.appthemehelper.common.ATHToolbarActivity.getToolbarBackgroundColor;
+
 public class FoldersFragment extends AbsMainActivityFragment implements
         IMainActivityFragmentCallbacks,
         ICabHolder,
@@ -95,6 +102,8 @@ public class FoldersFragment extends AbsMainActivityFragment implements
     private static final String CRUMBS = "crumbs";
     private static final int LOADER_ID = 5;
     private SongFileAdapter adapter;
+    private Toolbar toolbar;
+    private TextView appNameText;
     private BreadCrumbLayout breadCrumbs;
     private MaterialCab cab;
     private View coordinatorLayout;
@@ -154,11 +163,27 @@ public class FoldersFragment extends AbsMainActivityFragment implements
 
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        getMainActivity().setSupportActionBar(toolbar);
+        getMainActivity().getSupportActionBar().setTitle(null);
         setStatusBarColorAuto(view);
         setUpAppbarColor();
         setUpBreadCrumbs();
         setUpRecyclerView();
         setUpAdapter();
+        setUpTitle();
+    }
+
+    private void setUpTitle() {
+        toolbar.setNavigationOnClickListener(v ->
+                Navigation.findNavController(v).navigate(R.id.searchFragment, null, getNavOptions())
+        );
+        int color = ThemeStore.Companion.accentColor(requireContext());
+        String hexColor = String.format("#%06X", 0xFFFFFF & color);
+        Spanned appName = HtmlCompat.fromHtml(
+                "Retro <span  style='color:" + hexColor + ";'>Music</span>",
+                HtmlCompat.FROM_HTML_MODE_COMPACT
+        );
+        appNameText.setText(appName);
     }
 
     @Override
@@ -329,6 +354,12 @@ public class FoldersFragment extends AbsMainActivityFragment implements
                 .execute(new ListSongsAsyncTask.LoadingInfo(files, AUDIO_FILE_FILTER, getFileComparator()));
     }
 
+    @Override
+    public void onPrepareOptionsMenu(@NonNull Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+        ToolbarContentTintHelper.handleOnPrepareOptionsMenu(requireActivity(), toolbar);
+    }
+
     @Override
     public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);
@@ -337,6 +368,12 @@ public class FoldersFragment extends AbsMainActivityFragment implements
         menu.removeItem(R.id.action_grid_size);
         menu.removeItem(R.id.action_layout_type);
         menu.removeItem(R.id.action_sort_order);
+        ToolbarContentTintHelper.handleOnCreateOptionsMenu(
+                requireContext(),
+                toolbar,
+                menu,
+                getToolbarBackgroundColor(toolbar)
+        );
     }
 
     @Override
@@ -420,6 +457,8 @@ public class FoldersFragment extends AbsMainActivityFragment implements
         breadCrumbs = view.findViewById(R.id.breadCrumbs);
         empty = view.findViewById(android.R.id.empty);
         emojiText = view.findViewById(R.id.emptyEmoji);
+        toolbar = view.findViewById(R.id.toolbar);
+        appNameText = view.findViewById(R.id.appNameText);
     }
 
     private void saveScrollPosition() {

app/src/main/java/code/name/monkey/retromusic/fragments/home/HomeFragment.kt

@@ -18,16 +18,24 @@ import android.app.ActivityOptions
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuInflater
+import android.view.MenuItem
 import android.view.MenuItem.SHOW_AS_ACTION_IF_ROOM
 import android.view.View
 import androidx.core.os.bundleOf
+import androidx.core.text.HtmlCompat
 import androidx.lifecycle.Observer
+import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.LinearLayoutManager
+import code.name.monkey.appthemehelper.ThemeStore
+import code.name.monkey.appthemehelper.common.ATHToolbarActivity
+import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper
 import code.name.monkey.retromusic.HISTORY_PLAYLIST
 import code.name.monkey.retromusic.LAST_ADDED_PLAYLIST
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.TOP_PLAYED_PLAYLIST
 import code.name.monkey.retromusic.adapter.HomeAdapter
+import code.name.monkey.retromusic.dialogs.CreatePlaylistDialog
+import code.name.monkey.retromusic.dialogs.ImportPlaylistDialog
 import code.name.monkey.retromusic.extensions.findActivityNavController
 import code.name.monkey.retromusic.fragments.LibraryViewModel
 import code.name.monkey.retromusic.fragments.base.AbsMainActivityFragment
@@ -36,7 +44,6 @@ import code.name.monkey.retromusic.glide.UserProfileGlideRequest
 import code.name.monkey.retromusic.util.NavigationUtil
 import code.name.monkey.retromusic.util.PreferenceUtil
 import com.bumptech.glide.Glide
-import com.google.android.material.transition.platform.MaterialFadeThrough
 import kotlinx.android.synthetic.main.abs_playlists.*
 import kotlinx.android.synthetic.main.fragment_banner_home.*
 import kotlinx.android.synthetic.main.home_content.*
@@ -48,6 +55,8 @@ class HomeFragment :
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        mainActivity.setSupportActionBar(toolbar)
+        mainActivity.supportActionBar?.title = null
         setStatusBarColorAuto(view)
         bannerImage?.setOnClickListener {
             val options = ActivityOptions.makeSceneTransitionAnimation(
@@ -104,6 +113,24 @@ class HomeFragment :
         })
 
         loadProfile()
+        setupTitle()
+    }
+
+    private fun setupTitle() {
+        toolbar.setNavigationOnClickListener {
+            findNavController().navigate(
+                R.id.searchFragment,
+                null,
+                navOptions
+            )
+        }
+        val color = ThemeStore.accentColor(requireContext())
+        val hexColor = String.format("#%06X", 0xFFFFFF and color)
+        val appName = HtmlCompat.fromHtml(
+            "Retro <span  style='color:$hexColor';>Music</span>",
+            HtmlCompat.FROM_HTML_MODE_COMPACT
+        )
+        appNameText.text = appName
     }
 
     private fun loadProfile() {
@@ -121,10 +148,17 @@ class HomeFragment :
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
         super.onCreateOptionsMenu(menu, inflater)
+        inflater.inflate(R.menu.menu_main, menu)
         menu.removeItem(R.id.action_grid_size)
         menu.removeItem(R.id.action_layout_type)
         menu.removeItem(R.id.action_sort_order)
         menu.findItem(R.id.action_settings).setShowAsAction(SHOW_AS_ACTION_IF_ROOM)
+        ToolbarContentTintHelper.handleOnCreateOptionsMenu(
+            requireContext(),
+            toolbar,
+            menu,
+            ATHToolbarActivity.getToolbarBackgroundColor(toolbar)
+        )
     }
 
     companion object {
@@ -136,4 +170,28 @@ class HomeFragment :
             return HomeFragment()
         }
     }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.action_settings -> findNavController().navigate(
+                R.id.settingsActivity,
+                null,
+                navOptions
+            )
+            R.id.action_import_playlist -> ImportPlaylistDialog().show(
+                childFragmentManager,
+                "ImportPlaylist"
+            )
+            R.id.action_add_to_playlist -> CreatePlaylistDialog.create(emptyList()).show(
+                childFragmentManager,
+                "ShowCreatePlaylistDialog"
+            )
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    override fun onPrepareOptionsMenu(menu: Menu) {
+        super.onPrepareOptionsMenu(menu)
+        ToolbarContentTintHelper.handleOnPrepareOptionsMenu(requireActivity(), toolbar)
+    }
 }

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

@@ -11,7 +11,6 @@ import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.playlist.PlaylistAdapter
 import code.name.monkey.retromusic.fragments.base.AbsRecyclerViewFragment
-import com.google.android.material.transition.platform.MaterialFadeThrough
 import kotlinx.android.synthetic.main.fragment_library.*
 
 class PlaylistsFragment : AbsRecyclerViewFragment<PlaylistAdapter, LinearLayoutManager>() {
@@ -47,12 +46,12 @@ class PlaylistsFragment : AbsRecyclerViewFragment<PlaylistAdapter, LinearLayoutM
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
         menu.removeItem(R.id.action_grid_size)
         menu.removeItem(R.id.action_layout_type)
         menu.removeItem(R.id.action_sort_order)
         menu.add(0, R.id.action_add_to_playlist, 0, R.string.new_playlist_title)
         menu.add(0, R.id.action_import_playlist, 0, R.string.import_playlist)
         menu.findItem(R.id.action_settings).setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER)
-        super.onCreateOptionsMenu(menu, inflater)
     }
 }

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

@@ -84,6 +84,7 @@ class SongsFragment : AbsRecyclerViewCustomGridSizeFragment<SongAdapter, GridLay
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
         val gridSizeItem: MenuItem = menu.findItem(R.id.action_grid_size)
         if (RetroUtil.isLandscape()) {
             gridSizeItem.setTitle(R.string.action_grid_size_land)
@@ -92,7 +93,6 @@ class SongsFragment : AbsRecyclerViewCustomGridSizeFragment<SongAdapter, GridLay
         val layoutItem = menu.findItem(R.id.action_layout_type)
         setupLayoutMenu(layoutItem.subMenu)
         setUpSortOrderMenu(menu.findItem(R.id.action_sort_order).subMenu)
-        super.onCreateOptionsMenu(menu, inflater)
     }
 
     private fun setUpSortOrderMenu(

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

@@ -23,6 +23,5 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         app:defaultNavHost="true"
-        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior"
+        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
-        app:navGraph="@navigation/main_graph" />
 </LinearLayout>

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

@@ -11,15 +11,56 @@
   ~ 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"
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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:overScrollMode="never"
+    android:layout_height="match_parent">
-    android:descendantFocusability="beforeDescendants"
+
-    android:focusableInTouchMode="true"
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appBarLayout"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        app:liftOnScroll="true">
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_scrollFlags="scroll|enterAlways">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/colorSurface"
+                app:navigationIcon="@drawable/ic_search"
+                app:popupTheme="?attr/toolbarPopupTheme"
+                app:title="@null"
+                tools:ignore="UnusedAttribute">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/appNameText"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:textAppearance="@style/TextViewHeadline6"
+                    android:textStyle="bold" />
+            </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.appbar.AppBarLayout>
+
+    <androidx.core.widget.NestedScrollView
+        android:id="@+id/container"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:descendantFocusability="beforeDescendants"
+        android:focusableInTouchMode="true"
+        android:overScrollMode="never"
         app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
 
         <androidx.constraintlayout.widget.ConstraintLayout
@@ -108,3 +149,4 @@
                 app:layout_constraintTop_toBottomOf="@+id/imageContainer" />
         </androidx.constraintlayout.widget.ConstraintLayout>
     </androidx.core.widget.NestedScrollView>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -1,11 +1,53 @@
 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appBarLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:liftOnScroll="true">
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_scrollFlags="scroll|enterAlways">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/colorSurface"
+                app:navigationIcon="@drawable/ic_search"
+                app:popupTheme="?attr/toolbarPopupTheme"
+                app:title="@null"
+                tools:ignore="UnusedAttribute">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/appNameText"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:textAppearance="@style/TextViewHeadline6"
+                    android:textStyle="bold" />
+            </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.appbar.AppBarLayout>
+
+    <FrameLayout
         android:id="@+id/coordinatorLayout"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-    android:background="?attr/colorSurface">
+        android:background="?attr/colorSurface"
+        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
 
         <LinearLayout
             android:id="@android:id/empty"
@@ -61,3 +103,4 @@
 
         </LinearLayout>
     </FrameLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -11,9 +11,50 @@
   ~ 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"
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appBarLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:liftOnScroll="true">
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_scrollFlags="scroll|enterAlways">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/colorSurface"
+                app:navigationIcon="@drawable/ic_search"
+                app:popupTheme="?attr/toolbarPopupTheme"
+                app:title="@null"
+                tools:ignore="UnusedAttribute">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/appNameText"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:textAppearance="@style/TextViewHeadline6"
+                    android:textStyle="bold" />
+            </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.appbar.AppBarLayout>
+
+    <androidx.core.widget.NestedScrollView
         android:id="@+id/container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -74,3 +115,4 @@
         </androidx.constraintlayout.widget.ConstraintLayout>
 
     </androidx.core.widget.NestedScrollView>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appBarLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:liftOnScroll="true">
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_scrollFlags="scroll|enterAlways">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/colorSurface"
+                app:navigationIcon="@drawable/ic_search"
+                app:popupTheme="?attr/toolbarPopupTheme"
+                app:title="@null"
+                tools:ignore="UnusedAttribute">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/appNameText"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:textAppearance="@style/TextViewHeadline6"
+                    android:textStyle="bold" />
+            </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.appbar.AppBarLayout>
+
+    <FrameLayout
+        android:id="@+id/container"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:clipToPadding="false"
+            android:overScrollMode="never"
+            android:scrollbars="none"
+            android:transitionGroup="true"
+            app:layout_dodgeInsetEdges="bottom"
+            tools:listitem="@layout/item_list" />
+
+        <LinearLayout
+            android:id="@android:id/empty"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="gone"
+            tools:visibility="visible">
+
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/emptyEmoji"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="16dp"
+                android:text="@string/empty_text_emoji"
+                android:textAppearance="@style/TextViewHeadline3" />
+
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/emptyText"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="@string/empty"
+                android:textAppearance="@style/TextViewHeadline5"
+                android:textColor="?android:attr/textColorSecondary"
+                tools:visibility="visible" />
+        </LinearLayout>
+    </FrameLayout>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/navigation/main_graph.xml

@@ -3,7 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/retro_graph"
-    app:startDestination="@id/libraryFragment">
+    app:startDestination="@id/action_home">
 
     <fragment
         android:id="@+id/genreDetailsFragment"
@@ -76,4 +76,43 @@
         android:name="code.name.monkey.retromusic.activities.PermissionActivity"
         android:label="PermissionFragment"
         tools:layout="@layout/activity_permission" />
+
+
+    <fragment
+        android:id="@+id/action_album"
+        android:name="code.name.monkey.retromusic.fragments.albums.AlbumsFragment"
+        tools:layout="@layout/fragment_main_activity_recycler_view" />
+
+    <fragment
+        android:id="@+id/action_artist"
+        android:name="code.name.monkey.retromusic.fragments.artists.ArtistsFragment"
+        tools:layout="@layout/fragment_main_activity_recycler_view" />
+
+    <fragment
+        android:id="@+id/action_song"
+        android:name="code.name.monkey.retromusic.fragments.songs.SongsFragment"
+        tools:layout="@layout/fragment_main_activity_recycler_view" />
+
+    <fragment
+        android:id="@+id/action_genre"
+        android:name="code.name.monkey.retromusic.fragments.genres.GenresFragment"
+        tools:layout="@layout/fragment_main_activity_recycler_view" />
+
+    <fragment
+        android:id="@+id/action_playlist"
+        android:name="code.name.monkey.retromusic.fragments.playlists.PlaylistsFragment"
+        tools:layout="@layout/fragment_main_activity_recycler_view" />
+
+    <fragment
+        android:id="@+id/action_folder"
+        android:name="code.name.monkey.retromusic.fragments.folder.FoldersFragment"
+        tools:layout="@layout/fragment_folder" />
+
+    <fragment
+        android:id="@+id/action_home"
+        android:name="code.name.monkey.retromusic.fragments.home.HomeFragment"
+        android:label=""
+        tools:layout="@layout/fragment_banner_home" />
+
+
 </navigation>