Last added playlist half working. More to come tomorrow.

app/src/main/AndroidManifest.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="com.kabouzeid.gramophone"
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
-          xmlns:tools="http://schemas.android.com/tools">
+    package="com.kabouzeid.gramophone">
 
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
@@ -18,7 +18,6 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.MaterialMusic.Light"
         tools:ignore="UnusedAttribute">
-
         <activity
             android:name=".ui.activities.MainActivity"
             android:label="@string/app_name">
@@ -30,12 +29,11 @@
                 <category android:name="android.intent.category.APP_MUSIC" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
-
             <intent-filter>
                 <action android:name="android.media.action.MEDIA_PLAY_FROM_SEARCH" />
+
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
-
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
 
@@ -140,7 +138,9 @@
         <activity
             android:name=".ui.activities.SettingsActivity"
             android:label="@string/title_activity_settings" />
-
+        <activity
+            android:name=".ui.activities.SmartPlaylistDetailActivity"
+            android:label="@string/title_activity_smart_playlist_detail"></activity>
     </application>
 
 </manifest>

app/src/main/java/com/kabouzeid/gramophone/adapter/AbsMultiSelectAdapter.java

@@ -29,6 +29,10 @@ public abstract class AbsMultiSelectAdapter<VH extends RecyclerView.ViewHolder,
         this.context = context;
     }
 
+    protected void setMultiSelectMenuRes(int menuRes) {
+        this.menuRes = menuRes;
+    }
+
     protected void toggleChecked(final int position) {
         if (cabHolder != null) {
             openCabIfNecessary();
@@ -52,7 +56,7 @@ public abstract class AbsMultiSelectAdapter<VH extends RecyclerView.ViewHolder,
         }
     }
 
-    private void uncheckAll() {
+    private void unCheckAll() {
         checked.clear();
         notifyDataSetChanged();
     }
@@ -74,13 +78,13 @@ public abstract class AbsMultiSelectAdapter<VH extends RecyclerView.ViewHolder,
     public boolean onCabItemClicked(MenuItem menuItem) {
         onMultipleItemAction(menuItem, new ArrayList<>(checked));
         cab.finish();
-        uncheckAll();
+        unCheckAll();
         return true;
     }
 
     @Override
     public boolean onCabFinished(MaterialCab materialCab) {
-        uncheckAll();
+        unCheckAll();
         return true;
     }
 

app/src/main/java/com/kabouzeid/gramophone/adapter/PlaylistAdapter.java

@@ -8,6 +8,7 @@ import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.PopupMenu;
 import android.widget.TextView;
 
@@ -21,7 +22,9 @@ import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.loader.PlaylistLoader;
 import com.kabouzeid.gramophone.loader.PlaylistSongLoader;
 import com.kabouzeid.gramophone.model.DataBaseChangedEvent;
+import com.kabouzeid.gramophone.model.LastAddedPlaylist;
 import com.kabouzeid.gramophone.model.Playlist;
+import com.kabouzeid.gramophone.model.SmartPlaylist;
 import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.ui.activities.base.AbsFabActivity;
 import com.kabouzeid.gramophone.util.NavigationUtil;
@@ -30,12 +33,19 @@ import com.squareup.otto.Subscribe;
 import java.util.ArrayList;
 import java.util.List;
 
+import butterknife.ButterKnife;
+import butterknife.InjectView;
+
 /**
  * @author Karim Abou Zeid (kabouzeid)
  */
 public class PlaylistAdapter extends AbsMultiSelectAdapter<PlaylistAdapter.ViewHolder, Playlist> {
 
     public static final String TAG = PlaylistAdapter.class.getSimpleName();
+
+    private int VIEW_TYPE_SMART = 0;
+    private int VIEW_TYPE_DEFAULT = 1;
+
     protected final AppCompatActivity activity;
     protected List<Playlist> dataSet;
 
@@ -46,12 +56,15 @@ public class PlaylistAdapter extends AbsMultiSelectAdapter<PlaylistAdapter.ViewH
     }
 
     public void loadDataSet() {
-        dataSet = PlaylistLoader.getAllPlaylists(activity);
+        dataSet = new ArrayList<>();
+        dataSet.add(new LastAddedPlaylist(activity));
+        dataSet.addAll(PlaylistLoader.getAllPlaylists(activity));
     }
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(activity).inflate(R.layout.item_list_playlist, parent, false);
+        int layoutRes = viewType == VIEW_TYPE_DEFAULT ? R.layout.item_list_playlist : R.layout.item_list_smart_playlist;
+        View view = LayoutInflater.from(activity).inflate(layoutRes, parent, false);
         return new ViewHolder(view);
     }
 
@@ -60,6 +73,19 @@ public class PlaylistAdapter extends AbsMultiSelectAdapter<PlaylistAdapter.ViewH
         final Playlist playlist = dataSet.get(position);
         holder.playlistName.setText(playlist.name);
         holder.view.setActivated(isChecked(playlist));
+        holder.icon.setImageResource(getIconRes(playlist));
+    }
+
+    private int getIconRes(Playlist playlist) {
+        if (playlist instanceof SmartPlaylist) {
+            return ((SmartPlaylist) playlist).iconRes;
+        }
+        return R.drawable.ic_queue_music_white_24dp;
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        return dataSet.get(position) instanceof SmartPlaylist ? VIEW_TYPE_SMART : VIEW_TYPE_DEFAULT;
     }
 
     @Override
@@ -90,28 +116,35 @@ public class PlaylistAdapter extends AbsMultiSelectAdapter<PlaylistAdapter.ViewH
     private ArrayList<Song> getSongList(List<Playlist> playlists) {
         final ArrayList<Song> songs = new ArrayList<>();
         for (Playlist playlist : playlists) {
-            songs.addAll(PlaylistSongLoader.getPlaylistSongList(activity, playlist.id));
+            if (playlist instanceof SmartPlaylist) {
+                songs.addAll(((SmartPlaylist) playlist).getSongs(activity));
+            } else {
+                songs.addAll(PlaylistSongLoader.getPlaylistSongList(activity, playlist.id));
+            }
         }
         return songs;
     }
 
     public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
-        public final TextView playlistName;
+        @InjectView(R.id.playlist_name)
-        private final View menu;
+        TextView playlistName;
-        private final View view;
+        @InjectView(R.id.menu)
+        View menu;
+        @InjectView(R.id.playlist_icon)
+        ImageView icon;
+        View view;
 
         public ViewHolder(View itemView) {
             super(itemView);
+            ButterKnife.inject(this, itemView);
             view = itemView;
-            playlistName = (TextView) itemView.findViewById(R.id.playlist_name);
-            menu = itemView.findViewById(R.id.menu);
             view.setOnClickListener(this);
             view.setOnLongClickListener(this);
             menu.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View view) {
                     PopupMenu popupMenu = new PopupMenu(activity, view);
-                    popupMenu.inflate(R.menu.menu_item_playlist);
+                    popupMenu.inflate(getItemViewType() == VIEW_TYPE_SMART ? R.menu.menu_item_smart_playlist : R.menu.menu_item_playlist);
                     popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                         @Override
                         public boolean onMenuItemClick(MenuItem item) {
@@ -132,7 +165,8 @@ public class PlaylistAdapter extends AbsMultiSelectAdapter<PlaylistAdapter.ViewH
                 Pair[] sharedViews = null;
                 if (activity instanceof AbsFabActivity)
                     sharedViews = ((AbsFabActivity) activity).getSharedViewsWithFab(null);
-                NavigationUtil.goToPlaylist(activity, dataSet.get(getAdapterPosition()).id, sharedViews);
+                Playlist playlist = dataSet.get(getAdapterPosition());
+                NavigationUtil.goToPlaylist(activity, playlist, sharedViews);
             }
         }
 

app/src/main/java/com/kabouzeid/gramophone/adapter/songadapter/AbsPlaylistSongAdapter.java

@@ -0,0 +1,156 @@
+package com.kabouzeid.gramophone.adapter.songadapter;
+
+import android.support.annotation.Nullable;
+import android.support.v4.util.Pair;
+import android.support.v7.app.AppCompatActivity;
+import android.view.LayoutInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.adapter.AbsMultiSelectAdapter;
+import com.kabouzeid.gramophone.dialogs.AddToPlaylistDialog;
+import com.kabouzeid.gramophone.helper.MenuItemClickHelper;
+import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.interfaces.CabHolder;
+import com.kabouzeid.gramophone.model.Song;
+import com.kabouzeid.gramophone.ui.activities.base.AbsFabActivity;
+import com.kabouzeid.gramophone.util.MusicUtil;
+import com.kabouzeid.gramophone.util.NavigationUtil;
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+import com.nostra13.universalimageloader.core.ImageLoader;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public abstract class AbsPlaylistSongAdapter<S extends Song> extends AbsMultiSelectAdapter<PlaylistSongViewHolder, S> implements PlaylistSongViewHolder.onViewHolderClickListener, PlaylistSongViewHolder.onViewHolderLongClickListener, PlaylistSongViewHolder.onViewHolderMenuItemClickListener {
+
+    public static final String TAG = AlbumSongAdapter.class.getSimpleName();
+    protected final AppCompatActivity activity;
+    protected ArrayList<S> dataSet;
+
+    public AbsPlaylistSongAdapter(AppCompatActivity activity, ArrayList<S> objects, @Nullable CabHolder cabHolder) {
+        super(activity, cabHolder, R.menu.menu_playlists_songs_selection);
+        setMultiSelectMenuRes(getMultiSelectMenuRes());
+        this.activity = activity;
+        dataSet = objects;
+    }
+
+    public void updateDataSet(ArrayList<S> objects) {
+        dataSet = objects;
+        notifyDataSetChanged();
+    }
+
+    protected int getMultiSelectMenuRes() {
+        return R.menu.menu_playlists_songs_selection;
+    }
+
+    protected int getSongMenuRes() {
+        return R.menu.menu_item_playlist_song;
+    }
+
+    @Override
+    public PlaylistSongViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(activity).inflate(R.layout.item_list_song, parent, false);
+        return new PlaylistSongViewHolder(this, view, getSongMenuRes());
+    }
+
+    @Override
+    public void onBindViewHolder(final PlaylistSongViewHolder holder, int position) {
+        final S song = dataSet.get(position);
+
+        holder.view.setActivated(isChecked(song));
+        holder.songTitle.setText(song.title);
+        holder.songInfo.setText(song.artistName);
+        ImageLoader.getInstance().displayImage(
+                MusicUtil.getAlbumArtUri(song.albumId).toString(),
+                holder.albumArt,
+                new DisplayImageOptions.Builder()
+                        .cacheInMemory(true)
+                        .showImageOnFail(R.drawable.default_album_art)
+                        .resetViewBeforeLoading(true)
+                        .build()
+        );
+    }
+
+    @Override
+    public int getItemCount() {
+        return dataSet.size();
+    }
+
+    @Override
+    protected S getIdentifier(int position) {
+        return dataSet.get(position);
+    }
+
+    @Override
+    protected void onMultipleItemAction(MenuItem menuItem, ArrayList<S> selection) {
+        switch (menuItem.getItemId()) {
+            case R.id.action_delete_from_playlist:
+                onDeleteFromPlaylist(selection);
+                break;
+            case R.id.action_add_to_playlist:
+                onAddToPlaylist(selection);
+                break;
+            case R.id.action_add_to_current_playing:
+                onAddToCurrentPlaying(selection);
+                break;
+        }
+    }
+
+    @Override
+    public void onClick(View v, int adapterPosition) {
+        if (isInQuickSelectMode()) {
+            toggleChecked(adapterPosition);
+        } else {
+            //noinspection unchecked
+            MusicPlayerRemote.openQueue((ArrayList<Song>) (List) dataSet, adapterPosition, true);
+        }
+    }
+
+    @Override
+    public boolean onLongClick(View v, int adapterPosition) {
+        toggleChecked(adapterPosition);
+        return true;
+    }
+
+    @Override
+    public boolean onMenuItemClick(MenuItem item, PlaylistSongViewHolder viewHolder, int adapterPosition) {
+        switch (item.getItemId()) {
+            case R.id.action_delete_from_playlist:
+                onDeleteFromPlaylist(dataSet.get(adapterPosition));
+                return true;
+            case R.id.action_go_to_album:
+                Pair[] albumPairs = new Pair[]{
+                        Pair.create(viewHolder.albumArt, activity.getString(R.string.transition_album_cover))
+                };
+                if (activity instanceof AbsFabActivity)
+                    albumPairs = ((AbsFabActivity) activity).getSharedViewsWithFab(albumPairs);
+                NavigationUtil.goToAlbum(activity, dataSet.get(adapterPosition).albumId, albumPairs);
+                return true;
+        }
+        return MenuItemClickHelper.handleSongMenuClick(activity, dataSet.get(adapterPosition), item);
+    }
+
+    protected void onDeleteFromPlaylist(S song) {
+
+    }
+
+    protected void onDeleteFromPlaylist(ArrayList<S> songs) {
+
+    }
+
+    protected void onAddToPlaylist(ArrayList<S> songs) {
+        //noinspection unchecked
+        AddToPlaylistDialog.create((ArrayList<Song>) (List) songs).show(activity.getSupportFragmentManager(), "ADD_PLAYLIST");
+    }
+
+    protected void onAddToCurrentPlaying(ArrayList<S> songs) {
+        //noinspection unchecked
+        MusicPlayerRemote.enqueue((ArrayList<Song>) (List) songs);
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/adapter/songadapter/PlaylistSongAdapter.java

@@ -1,165 +1,32 @@
 package com.kabouzeid.gramophone.adapter.songadapter;
 
 import android.support.annotation.Nullable;
-import android.support.v4.util.Pair;
 import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.RecyclerView;
-import android.view.LayoutInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.PopupMenu;
-import android.widget.TextView;
 
-import com.kabouzeid.gramophone.R;
-import com.kabouzeid.gramophone.adapter.AbsMultiSelectAdapter;
-import com.kabouzeid.gramophone.dialogs.AddToPlaylistDialog;
 import com.kabouzeid.gramophone.dialogs.RemoveFromPlaylistDialog;
-import com.kabouzeid.gramophone.helper.MenuItemClickHelper;
-import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.model.PlaylistSong;
-import com.kabouzeid.gramophone.model.Song;
-import com.kabouzeid.gramophone.ui.activities.base.AbsFabActivity;
-import com.kabouzeid.gramophone.util.MusicUtil;
-import com.kabouzeid.gramophone.util.NavigationUtil;
-import com.nostra13.universalimageloader.core.DisplayImageOptions;
-import com.nostra13.universalimageloader.core.ImageLoader;
 
 import java.util.ArrayList;
-import java.util.List;
 
 /**
  * @author Karim Abou Zeid (kabouzeid)
  */
-public class PlaylistSongAdapter extends AbsMultiSelectAdapter<PlaylistSongAdapter.ViewHolder, PlaylistSong> {
+public class PlaylistSongAdapter extends AbsPlaylistSongAdapter<PlaylistSong> {
-
-    public static final String TAG = AlbumSongAdapter.class.getSimpleName();
-    protected final AppCompatActivity activity;
-    protected ArrayList<PlaylistSong> dataSet;
 
     public PlaylistSongAdapter(AppCompatActivity activity, ArrayList<PlaylistSong> objects, @Nullable CabHolder cabHolder) {
-        super(activity, cabHolder, R.menu.menu_playlists_songs_selection);
+        super(activity, objects, cabHolder);
-        this.activity = activity;
-        dataSet = objects;
-    }
-
-    public void updateDataSet(ArrayList<PlaylistSong> objects) {
-        dataSet = objects;
-        notifyDataSetChanged();
     }
 
     @Override
-    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+    protected void onDeleteFromPlaylist(ArrayList<PlaylistSong> songs) {
-        View view = LayoutInflater.from(activity).inflate(R.layout.item_list_song, parent, false);
+        super.onDeleteFromPlaylist(songs);
-        return new ViewHolder(view);
+        RemoveFromPlaylistDialog.create(songs).show(activity.getSupportFragmentManager(), "ADD_PLAYLIST");
     }
 
     @Override
-    public void onBindViewHolder(final ViewHolder holder, int position) {
+    protected void onDeleteFromPlaylist(PlaylistSong song) {
-        final PlaylistSong song = dataSet.get(position);
+        super.onDeleteFromPlaylist(song);
-
+        RemoveFromPlaylistDialog.create(song).show(activity.getSupportFragmentManager(), "ADD_PLAYLIST");
-        holder.view.setActivated(isChecked(song));
-        holder.songTitle.setText(song.title);
-        holder.songInfo.setText(song.artistName);
-        ImageLoader.getInstance().displayImage(
-                MusicUtil.getAlbumArtUri(song.albumId).toString(),
-                holder.albumArt,
-                new DisplayImageOptions.Builder()
-                        .cacheInMemory(true)
-                        .showImageOnFail(R.drawable.default_album_art)
-                        .resetViewBeforeLoading(true)
-                        .build()
-        );
-    }
-
-    @Override
-    public int getItemCount() {
-        return dataSet.size();
-    }
-
-    @Override
-    protected PlaylistSong getIdentifier(int position) {
-        return dataSet.get(position);
-    }
-
-    @Override
-    protected void onMultipleItemAction(MenuItem menuItem, ArrayList<PlaylistSong> selection) {
-        switch (menuItem.getItemId()) {
-            case R.id.action_delete_from_playlist:
-                RemoveFromPlaylistDialog.create(selection).show(activity.getSupportFragmentManager(), "DELETE_FROM_PLAYLIST");
-                break;
-            case R.id.action_add_to_playlist:
-                //noinspection unchecked
-                AddToPlaylistDialog.create((ArrayList<Song>) (List) selection).show(activity.getSupportFragmentManager(), "ADD_PLAYLIST");
-                break;
-            case R.id.action_add_to_current_playing:
-                //noinspection unchecked
-                MusicPlayerRemote.enqueue((ArrayList<Song>) (List) selection);
-                break;
-        }
-    }
-
-    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
-        final TextView songTitle;
-        final TextView songInfo;
-        final ImageView overflowButton;
-        final ImageView albumArt;
-        final View view;
-
-        public ViewHolder(View itemView) {
-            super(itemView);
-            view = itemView;
-            songTitle = (TextView) itemView.findViewById(R.id.song_title);
-            songInfo = (TextView) itemView.findViewById(R.id.song_info);
-            albumArt = (ImageView) itemView.findViewById(R.id.album_art);
-            view.setOnClickListener(this);
-            view.setOnLongClickListener(this);
-            overflowButton = (ImageView) itemView.findViewById(R.id.menu);
-            overflowButton.setOnClickListener(new View.OnClickListener() {
-                @Override
-                public void onClick(View v) {
-                    PopupMenu popupMenu = new PopupMenu(activity, v);
-                    popupMenu.inflate(R.menu.menu_item_playlist_song);
-                    popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
-                        @Override
-                        public boolean onMenuItemClick(MenuItem item) {
-                            switch (item.getItemId()) {
-                                case R.id.action_delete_from_playlist:
-                                    RemoveFromPlaylistDialog.create(dataSet.get(getAdapterPosition())).show(activity.getSupportFragmentManager(), "DELETE_FROM_PLAYLIST");
-                                    return true;
-                                case R.id.action_go_to_album:
-                                    Pair[] albumPairs = new Pair[]{
-                                            Pair.create(albumArt, activity.getResources().getString(R.string.transition_album_cover))
-                                    };
-                                    if (activity instanceof AbsFabActivity)
-                                        albumPairs = ((AbsFabActivity) activity).getSharedViewsWithFab(albumPairs);
-                                    NavigationUtil.goToAlbum(activity, dataSet.get(getAdapterPosition()).albumId, albumPairs);
-                                    return true;
-                            }
-                            return MenuItemClickHelper.handleSongMenuClick(activity, dataSet.get(getAdapterPosition()), item);
-                        }
-                    });
-                    popupMenu.show();
-                }
-            });
-        }
-
-        @Override
-        public void onClick(View v) {
-            if (isInQuickSelectMode()) {
-                toggleChecked(getAdapterPosition());
-            } else {
-                //noinspection unchecked
-                MusicPlayerRemote.openQueue((ArrayList<Song>) (List) dataSet, getAdapterPosition(), true);
-            }
-        }
-
-        @Override
-        public boolean onLongClick(View view) {
-            toggleChecked(getAdapterPosition());
-            return true;
-        }
     }
 }

app/src/main/java/com/kabouzeid/gramophone/adapter/songadapter/PlaylistSongViewHolder.java

@@ -0,0 +1,71 @@
+package com.kabouzeid.gramophone.adapter.songadapter;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.PopupMenu;
+import android.widget.TextView;
+
+import com.kabouzeid.gramophone.R;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class PlaylistSongViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
+    final TextView songTitle;
+    final TextView songInfo;
+    final ImageView overflowButton;
+    final ImageView albumArt;
+    final View view;
+
+    final AbsPlaylistSongAdapter adapter;
+
+    public PlaylistSongViewHolder(final AbsPlaylistSongAdapter adapter, View itemView, final int songMenu) {
+        super(itemView);
+        this.adapter = adapter;
+        view = itemView;
+        songTitle = (TextView) itemView.findViewById(R.id.song_title);
+        songInfo = (TextView) itemView.findViewById(R.id.song_info);
+        albumArt = (ImageView) itemView.findViewById(R.id.album_art);
+        view.setOnClickListener(this);
+        view.setOnLongClickListener(this);
+        overflowButton = (ImageView) itemView.findViewById(R.id.menu);
+        overflowButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                PopupMenu popupMenu = new PopupMenu(adapter.activity, v);
+                popupMenu.inflate(songMenu);
+                popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
+                    @Override
+                    public boolean onMenuItemClick(MenuItem item) {
+                        return adapter.onMenuItemClick(item, PlaylistSongViewHolder.this, getAdapterPosition());
+                    }
+                });
+                popupMenu.show();
+            }
+        });
+    }
+
+    @Override
+    public void onClick(View v) {
+        adapter.onClick(v, getAdapterPosition());
+    }
+
+    @Override
+    public boolean onLongClick(View v) {
+        return adapter.onLongClick(v, getAdapterPosition());
+    }
+
+    protected interface onViewHolderMenuItemClickListener {
+        boolean onMenuItemClick(MenuItem item, PlaylistSongViewHolder viewHolder, int adapterPosition);
+    }
+
+    protected interface onViewHolderClickListener {
+        void onClick(View v, int adapterPosition);
+    }
+
+    protected interface onViewHolderLongClickListener {
+        boolean onLongClick(View v, int adapterPosition);
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/adapter/songadapter/smartplaylist/LastAddedSongAdapter.java

@@ -0,0 +1,28 @@
+package com.kabouzeid.gramophone.adapter.songadapter.smartplaylist;
+
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+
+import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.interfaces.CabHolder;
+import com.kabouzeid.gramophone.model.LastAddedPlaylist;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class LastAddedSongAdapter extends SmartPlaylistSongAdapter {
+
+    public LastAddedSongAdapter(AppCompatActivity activity, @Nullable CabHolder cabHolder) {
+        super(activity, new LastAddedPlaylist(activity), cabHolder);
+    }
+
+    @Override
+    protected int getMultiSelectMenuRes() {
+        return R.menu.menu_last_added_playlist_songs_selection;
+    }
+
+    @Override
+    protected int getSongMenuRes() {
+        return R.menu.menu_item_last_added_playlist_song;
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/adapter/songadapter/smartplaylist/SmartPlaylistSongAdapter.java

@@ -0,0 +1,26 @@
+package com.kabouzeid.gramophone.adapter.songadapter.smartplaylist;
+
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+
+import com.kabouzeid.gramophone.adapter.songadapter.AbsPlaylistSongAdapter;
+import com.kabouzeid.gramophone.interfaces.CabHolder;
+import com.kabouzeid.gramophone.model.SmartPlaylist;
+import com.kabouzeid.gramophone.model.Song;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public abstract class SmartPlaylistSongAdapter extends AbsPlaylistSongAdapter<Song> {
+    private SmartPlaylist playlist;
+
+    public SmartPlaylistSongAdapter(AppCompatActivity activity, SmartPlaylist playlist, @Nullable CabHolder cabHolder) {
+        super(activity, playlist.getSongs(activity), cabHolder);
+        this.playlist = playlist;
+    }
+
+    public void updateDataSet() {
+        updateDataSet(playlist.getSongs(activity));
+    }
+
+}

app/src/main/java/com/kabouzeid/gramophone/helper/MenuItemClickHelper.java

@@ -1,5 +1,6 @@
 package com.kabouzeid.gramophone.helper;
 
+import android.app.Activity;
 import android.content.Intent;
 import android.support.v4.util.Pair;
 import android.support.v7.app.AppCompatActivity;
@@ -12,9 +13,11 @@ import com.kabouzeid.gramophone.dialogs.DeleteSongsDialog;
 import com.kabouzeid.gramophone.dialogs.RenamePlaylistDialog;
 import com.kabouzeid.gramophone.dialogs.SongDetailDialog;
 import com.kabouzeid.gramophone.interfaces.PaletteColorHolder;
+import com.kabouzeid.gramophone.loader.PlaylistSongLoader;
 import com.kabouzeid.gramophone.loader.SongFilePathLoader;
 import com.kabouzeid.gramophone.misc.AppKeys;
 import com.kabouzeid.gramophone.model.Playlist;
+import com.kabouzeid.gramophone.model.SmartPlaylist;
 import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.ui.activities.base.AbsFabActivity;
 import com.kabouzeid.gramophone.ui.activities.tageditor.SongTagEditorActivity;
@@ -22,6 +25,7 @@ import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
 
 import java.io.File;
+import java.util.ArrayList;
 
 /**
  * @author Karim Abou Zeid (kabouzeid), Aidan Follestad (afollestad)
@@ -78,6 +82,12 @@ public class MenuItemClickHelper {
 
     public static boolean handlePlaylistMenuClick(AppCompatActivity activity, Playlist playlist, MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.action_play:
+                MusicPlayerRemote.openQueue(new ArrayList<>(getPlaylistSongs(activity, playlist)), 0, true);
+                return true;
+            case R.id.action_add_to_current_playing:
+                MusicPlayerRemote.enqueue(new ArrayList<>(getPlaylistSongs(activity, playlist)));
+                return true;
             case R.id.action_rename_playlist:
                 RenamePlaylistDialog.create(playlist.id).show(activity.getSupportFragmentManager(), "RENAME_PLAYLIST");
                 return true;
@@ -87,4 +97,10 @@ public class MenuItemClickHelper {
         }
         return false;
     }
+
+    private static ArrayList<? extends Song> getPlaylistSongs(Activity activity, Playlist playlist) {
+        return playlist instanceof SmartPlaylist ?
+                ((SmartPlaylist) playlist).getSongs(activity) :
+                PlaylistSongLoader.getPlaylistSongList(activity, playlist.id);
+    }
 }

app/src/main/java/com/kabouzeid/gramophone/helper/MusicPlayerRemote.java

@@ -14,7 +14,6 @@ import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.service.MusicService;
 
 import java.util.ArrayList;
-import java.util.List;
 import java.util.Random;
 
 /**
@@ -207,7 +206,7 @@ public class MusicPlayerRemote {
         return false;
     }
 
-    public static boolean enqueue(List<Song> songs) {
+    public static boolean enqueue(ArrayList<Song> songs) {
         if (musicService != null) {
             musicService.addSongs(songs);
             final String toast = songs.size() == 1 ? musicService.getResources().getString(R.string.added_title_to_playing_queue) : musicService.getResources().getString(R.string.added_x_titles_to_playing_queue, songs.size());

app/src/main/java/com/kabouzeid/gramophone/loader/LastAddedLoader.java

@@ -0,0 +1,55 @@
+package com.kabouzeid.gramophone.loader;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.provider.BaseColumns;
+import android.provider.MediaStore;
+import android.provider.MediaStore.Audio.AudioColumns;
+
+import com.kabouzeid.gramophone.model.Song;
+import com.kabouzeid.gramophone.util.PreferenceUtils;
+
+import java.util.ArrayList;
+
+public class LastAddedLoader {
+
+    public static ArrayList<Song> getLastAddedSongs(Context context) {
+        return SongLoader.getSongs(makeLastAddedCursor(context));
+    }
+
+    public static Cursor makeLastAddedCursor(final Context context) {
+        long fourWeeksAgo = (System.currentTimeMillis() / 1000) - (4 * 3600 * 24 * 7);
+        // possible saved timestamp caused by user "clearing" the last added playlist
+        long cutoff = PreferenceUtils.getInstance(context).getLastAddedCutOff() / 1000;
+        if (cutoff < fourWeeksAgo) {
+            cutoff = fourWeeksAgo;
+        }
+
+        //noinspection StringBufferReplaceableByString
+        final StringBuilder selection = new StringBuilder();
+        selection.append(AudioColumns.IS_MUSIC + "=1");
+        selection.append(" AND " + AudioColumns.TITLE + " != ''");
+        selection.append(" AND " + MediaStore.Audio.Media.DATE_ADDED + ">");
+        selection.append(cutoff);
+
+        return context.getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
+                new String[]{
+                       /* 0 */
+                        BaseColumns._ID,
+                        /* 1 */
+                        MediaStore.Audio.AudioColumns.TITLE,
+                        /* 2 */
+                        MediaStore.Audio.AudioColumns.ARTIST,
+                        /* 3 */
+                        MediaStore.Audio.AudioColumns.ALBUM,
+                        /* 4 */
+                        MediaStore.Audio.AudioColumns.DURATION,
+                        /* 5 */
+                        MediaStore.Audio.AudioColumns.TRACK,
+                        /* 6 */
+                        MediaStore.Audio.AudioColumns.ARTIST_ID,
+                        /* 7 */
+                        MediaStore.Audio.AudioColumns.ALBUM_ID
+                }, selection.toString(), null, MediaStore.Audio.Media.DATE_ADDED + " DESC");
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/model/LastAddedPlaylist.java

@@ -0,0 +1,23 @@
+package com.kabouzeid.gramophone.model;
+
+import android.content.Context;
+
+import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.loader.LastAddedLoader;
+
+import java.util.ArrayList;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class LastAddedPlaylist extends SmartPlaylist {
+
+    public LastAddedPlaylist(Context context) {
+        super(context.getString(R.string.last_added), R.drawable.ic_queue_white_24dp);
+    }
+
+    @Override
+    public ArrayList<Song> getSongs(Context context) {
+        return LastAddedLoader.getLastAddedSongs(context);
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/model/SmartPlaylist.java

@@ -0,0 +1,50 @@
+package com.kabouzeid.gramophone.model;
+
+import android.content.Context;
+import android.support.annotation.DrawableRes;
+
+import com.kabouzeid.gramophone.R;
+
+import java.util.ArrayList;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public abstract class SmartPlaylist extends Playlist {
+    private static final long serialVersionUID = 3013701295356403681L;
+
+    @DrawableRes
+    public final int iconRes;
+
+    public SmartPlaylist(final String name, final int iconRes) {
+        super(-1, name);
+        this.iconRes = iconRes;
+    }
+
+    public SmartPlaylist() {
+        super();
+        this.iconRes = R.drawable.ic_queue_music_white_24dp;
+    }
+
+    public abstract ArrayList<Song> getSongs(Context context);
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result + iconRes;
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (super.equals(obj)) {
+            if (getClass() != obj.getClass()) {
+                return false;
+            }
+            final SmartPlaylist other = (SmartPlaylist) obj;
+            return iconRes == other.iconRes;
+        }
+        return false;
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/ui/activities/MainActivity.java

@@ -59,7 +59,6 @@ import com.nostra13.universalimageloader.core.ImageLoader;
 
 import java.lang.reflect.Field;
 import java.util.ArrayList;
-import java.util.List;
 import java.util.Set;
 
 import butterknife.ButterKnife;
@@ -419,8 +418,9 @@ public class MainActivity extends AbsFabActivity
             final int id = (int) parseIdFromIntent(intent, "playlistId", "playlist");
             if (id >= 0) {
                 int position = intent.getIntExtra("position", 0);
-                //noinspection unchecked
+                ArrayList<Song> songs = new ArrayList<>();
-                MusicPlayerRemote.openQueue((ArrayList<Song>) (List<? extends Song>) PlaylistSongLoader.getPlaylistSongList(this, id), position, true);
+                songs.addAll(PlaylistSongLoader.getPlaylistSongList(this, id));
+                MusicPlayerRemote.openQueue(songs, position, true);
                 handled = true;
             }
         } else if (MediaStore.Audio.Albums.CONTENT_TYPE.equals(mimeType)) {

app/src/main/java/com/kabouzeid/gramophone/ui/activities/PlaylistDetailActivity.java

@@ -13,9 +13,7 @@ import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.adapter.songadapter.PlaylistSongAdapter;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
-import com.kabouzeid.gramophone.loader.PlaylistLoader;
 import com.kabouzeid.gramophone.loader.PlaylistSongLoader;
-import com.kabouzeid.gramophone.misc.AppKeys;
 import com.kabouzeid.gramophone.misc.DragSortRecycler;
 import com.kabouzeid.gramophone.model.DataBaseChangedEvent;
 import com.kabouzeid.gramophone.model.Playlist;
@@ -32,6 +30,8 @@ public class PlaylistDetailActivity extends AbsFabActivity implements CabHolder
 
     public static final String TAG = PlaylistDetailActivity.class.getSimpleName();
 
+    public static String EXTRA_PLAYLIST = "extra_playlist";
+
     private Playlist playlist;
     private MaterialCab cab;
     private PlaylistSongAdapter adapter;
@@ -86,8 +86,10 @@ public class PlaylistDetailActivity extends AbsFabActivity implements CabHolder
 
     private void getIntentExtras() {
         Bundle intentExtras = getIntent().getExtras();
-        final int playlistId = intentExtras.getInt(AppKeys.E_PLAYLIST);
+        try {
-        playlist = PlaylistLoader.getPlaylist(this, playlistId);
+            playlist = (Playlist) intentExtras.getSerializable(EXTRA_PLAYLIST);
+        } catch (ClassCastException ignored) {
+        }
         if (playlist == null) {
             finish();
         }
@@ -120,6 +122,9 @@ public class PlaylistDetailActivity extends AbsFabActivity implements CabHolder
             case R.id.action_playing_queue:
                 NavigationUtil.openPlayingQueueDialog(this);
                 return true;
+            case R.id.action_clear_playlist:
+                //TODO
+                return true;
         }
         return super.onOptionsItemSelected(item);
     }

app/src/main/java/com/kabouzeid/gramophone/ui/activities/SmartPlaylistDetailActivity.java

@@ -0,0 +1,162 @@
+package com.kabouzeid.gramophone.ui.activities;
+
+import android.os.Bundle;
+import android.support.v7.widget.GridLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.TextView;
+
+import com.afollestad.materialcab.MaterialCab;
+import com.kabouzeid.gramophone.App;
+import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.adapter.songadapter.smartplaylist.LastAddedSongAdapter;
+import com.kabouzeid.gramophone.adapter.songadapter.smartplaylist.SmartPlaylistSongAdapter;
+import com.kabouzeid.gramophone.interfaces.CabHolder;
+import com.kabouzeid.gramophone.model.DataBaseChangedEvent;
+import com.kabouzeid.gramophone.model.SmartPlaylist;
+import com.kabouzeid.gramophone.ui.activities.base.AbsFabActivity;
+import com.kabouzeid.gramophone.util.NavigationUtil;
+import com.kabouzeid.gramophone.util.PreferenceUtils;
+import com.squareup.otto.Subscribe;
+
+import butterknife.ButterKnife;
+import butterknife.InjectView;
+
+public class SmartPlaylistDetailActivity extends AbsFabActivity implements CabHolder {
+
+    public static final String TAG = SmartPlaylistDetailActivity.class.getSimpleName();
+
+    @InjectView(R.id.recycler_view)
+    RecyclerView recyclerView;
+    @InjectView(R.id.toolbar)
+    Toolbar toolbar;
+    @InjectView(android.R.id.empty)
+    TextView empty;
+
+    private SmartPlaylist playlist;
+    private MaterialCab cab;
+    private SmartPlaylistSongAdapter adapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_playlist_detail);
+        ButterKnife.inject(this);
+
+        getIntentExtras();
+
+        setUpRecyclerView();
+
+        checkIsEmpty();
+
+        setUpToolBar();
+
+        if (PreferenceUtils.getInstance(this).coloredNavigationBarPlaylist())
+            setNavigationBarThemeColor();
+        setStatusBarThemeColor();
+
+        App.bus.register(this);
+    }
+
+    private void setUpRecyclerView() {
+        adapter = new LastAddedSongAdapter(this, this);
+
+        recyclerView.setLayoutManager(new GridLayoutManager(this, 1));
+        recyclerView.setAdapter(adapter);
+    }
+
+    private void setUpToolBar() {
+        toolbar.setBackgroundColor(getThemeColorPrimary());
+        setSupportActionBar(toolbar);
+        //noinspection ConstantConditions
+        getSupportActionBar().setTitle(playlist.name);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    }
+
+    private void getIntentExtras() {
+        Bundle intentExtras = getIntent().getExtras();
+        try {
+            playlist = (SmartPlaylist) intentExtras.getSerializable(PlaylistDetailActivity.EXTRA_PLAYLIST);
+        } catch (ClassCastException ignored) {
+        }
+        if (playlist == null) {
+            finish();
+        }
+    }
+
+    @Override
+    public String getTag() {
+        return TAG;
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_playlist_detail, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int id = item.getItemId();
+        switch (id) {
+            case R.id.action_equalizer:
+                NavigationUtil.openEqualizer(this);
+                return true;
+            case android.R.id.home:
+                super.onBackPressed();
+                return true;
+            case R.id.action_current_playing:
+                NavigationUtil.openCurrentPlayingIfPossible(this, getSharedViewsWithFab(null));
+                return true;
+            case R.id.action_playing_queue:
+                NavigationUtil.openPlayingQueueDialog(this);
+                return true;
+            case R.id.action_clear_playlist:
+                //TODO
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public MaterialCab openCab(final int menu, final MaterialCab.Callback callback) {
+        if (cab != null && cab.isActive()) cab.finish();
+        cab = new MaterialCab(this, R.id.cab_stub)
+                .setMenu(menu)
+                .setBackgroundColor(PreferenceUtils.getInstance(this).getThemeColorPrimary())
+                .start(callback);
+        return cab;
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        App.bus.unregister(this);
+    }
+
+    @Subscribe
+    public void onDataBaseEvent(DataBaseChangedEvent event) {
+        switch (event.getAction()) {
+            case DataBaseChangedEvent.PLAYLISTS_CHANGED:
+            case DataBaseChangedEvent.DATABASE_CHANGED:
+                adapter.updateDataSet();
+                checkIsEmpty();
+                break;
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+        if (cab != null && cab.isActive()) cab.finish();
+        else super.onBackPressed();
+    }
+
+    private void checkIsEmpty() {
+        empty.setVisibility(
+                adapter.getItemCount() == 0 ? View.VISIBLE : View.GONE
+        );
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/mainactivityfragments/AbsMainActivityRecyclerViewFragment.java

@@ -1,6 +1,7 @@
 package com.kabouzeid.gramophone.ui.fragments.mainactivityfragments;
 
 import android.os.Bundle;
+import android.support.annotation.LayoutRes;
 import android.support.annotation.StringRes;
 import android.support.design.widget.AppBarLayout;
 import android.support.design.widget.AppBarLayout.OnOffsetChangedListener;
@@ -15,38 +16,49 @@ import android.widget.TextView;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.views.FastScroller;
 
+import butterknife.ButterKnife;
+import butterknife.InjectView;
+import butterknife.Optional;
+
 /**
  * @author Karim Abou Zeid (kabouzeid)
  */
 public abstract class AbsMainActivityRecyclerViewFragment extends AbsMainActivityFragment implements OnOffsetChangedListener {
 
     public static final String TAG = AbsMainActivityRecyclerViewFragment.class.getSimpleName();
-    private RecyclerView recyclerView;
+
+    @InjectView(R.id.recycler_view)
+    RecyclerView recyclerView;
+    @Optional
+    @InjectView(android.R.id.empty)
+    TextView empty;
+    @Optional
+    @InjectView(R.id.fast_scroller)
+    FastScroller fastScroller;
+
     private RecyclerView.Adapter mAdapter;
-    private FastScroller fastScroller;
-    private TextView empty;
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.fragment_main_activity_recycler_view, container, false);
+        View view = inflater.inflate(getLayoutRes(), container, false);
+        ButterKnife.inject(this, view);
+        return view;
     }
 
     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
 
-        recyclerView = (RecyclerView) view.findViewById(R.id.recycler_view);
+        if (fastScroller != null) {
-        fastScroller = (FastScroller) view.findViewById(R.id.fast_scroller);
+            fastScroller.setRecyclerView(recyclerView);
-        empty = (TextView) view.findViewById(android.R.id.empty);
+            fastScroller.setPressedHandleColor(getMainActivity().getThemeColorPrimary());
-
+            fastScroller.setOnHandleTouchListener(new View.OnTouchListener() {
-        fastScroller.setRecyclerView(recyclerView);
+                @Override
-        fastScroller.setPressedHandleColor(getMainActivity().getThemeColorPrimary());
+                public boolean onTouch(View v, MotionEvent event) {
-        fastScroller.setOnHandleTouchListener(new View.OnTouchListener() {
+                    return false;
-            @Override
+                }
-            public boolean onTouch(View v, MotionEvent event) {
+            });
-                return false;
+        }
-            }
-        });
 
         getMainActivity().addOnAppBarOffsetChangedListener(this);
 
@@ -75,9 +87,11 @@ public abstract class AbsMainActivityRecyclerViewFragment extends AbsMainActivit
 
     @Override
     public void onOffsetChanged(AppBarLayout appBarLayout, int i) {
-        FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) fastScroller.getLayoutParams();
+        if (fastScroller != null) {
-        params.setMargins(params.leftMargin, params.topMargin, params.rightMargin, getMainActivity().getTotalAppBarScrollingRange() + i);
+            FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) fastScroller.getLayoutParams();
-        fastScroller.setLayoutParams(params);
+            params.setMargins(params.leftMargin, params.topMargin, params.rightMargin, getMainActivity().getTotalAppBarScrollingRange() + i);
+            fastScroller.setLayoutParams(params);
+        }
     }
 
     @Override
@@ -93,10 +107,12 @@ public abstract class AbsMainActivityRecyclerViewFragment extends AbsMainActivit
     }
 
     private void showEmptyMessageIfEmpty() {
-        RecyclerView.Adapter adapter = getAdapter();
+        if (empty != null) {
-        if (adapter != null) {
+            RecyclerView.Adapter adapter = getAdapter();
-            empty.setText(getEmptyMessage());
+            if (adapter != null) {
-            empty.setVisibility(adapter.getItemCount() == 0 ? View.VISIBLE : View.GONE);
+                empty.setText(getEmptyMessage());
+                empty.setVisibility(adapter.getItemCount() == 0 ? View.VISIBLE : View.GONE);
+            }
         }
     }
 
@@ -105,7 +121,22 @@ public abstract class AbsMainActivityRecyclerViewFragment extends AbsMainActivit
         return R.string.empty;
     }
 
+    @LayoutRes
+    protected int getLayoutRes() {
+        return R.layout.fragment_main_activity_recycler_view;
+    }
+
+    protected RecyclerView getRecyclerView() {
+        return recyclerView;
+    }
+
     protected abstract RecyclerView.LayoutManager createLayoutManager();
 
     protected abstract RecyclerView.Adapter createAdapter();
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        ButterKnife.reset(this);
+    }
 }

app/src/main/java/com/kabouzeid/gramophone/util/NavigationUtil.java

@@ -15,10 +15,13 @@ import com.kabouzeid.gramophone.dialogs.PlayingQueueDialog;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
 import com.kabouzeid.gramophone.interfaces.KabViewsDisableAble;
 import com.kabouzeid.gramophone.misc.AppKeys;
+import com.kabouzeid.gramophone.model.Playlist;
+import com.kabouzeid.gramophone.model.SmartPlaylist;
 import com.kabouzeid.gramophone.ui.activities.AlbumDetailActivity;
 import com.kabouzeid.gramophone.ui.activities.ArtistDetailActivity;
 import com.kabouzeid.gramophone.ui.activities.MusicControllerActivity;
 import com.kabouzeid.gramophone.ui.activities.PlaylistDetailActivity;
+import com.kabouzeid.gramophone.ui.activities.SmartPlaylistDetailActivity;
 
 /**
  * @author Karim Abou Zeid (kabouzeid)
@@ -63,12 +66,19 @@ public class NavigationUtil {
         }
     }
 
-    public static void goToPlaylist(final Activity activity, final int playlistId, final Pair[] sharedViews) {
+    public static void goToPlaylist(final Activity activity, final Playlist playlist, final Pair[] sharedViews) {
         if ((activity instanceof KabViewsDisableAble && ((KabViewsDisableAble) activity).areViewsEnabled()) || !(activity instanceof KabViewsDisableAble)) {
             if (activity instanceof KabViewsDisableAble)
                 ((KabViewsDisableAble) activity).disableViews();
-            final Intent intent = new Intent(activity, PlaylistDetailActivity.class);
+
-            intent.putExtra(AppKeys.E_PLAYLIST, playlistId);
+            final Intent intent;
+            if (playlist instanceof SmartPlaylist) {
+                intent = new Intent(activity, SmartPlaylistDetailActivity.class);
+            } else {
+                intent = new Intent(activity, PlaylistDetailActivity.class);
+            }
+            intent.putExtra(PlaylistDetailActivity.EXTRA_PLAYLIST, playlist);
+
             if (sharedViews != null) {
                 @SuppressWarnings("unchecked") ActivityOptionsCompat optionsCompat = ActivityOptionsCompat.makeSceneTransitionAnimation(activity,
                         sharedViews

app/src/main/java/com/kabouzeid/gramophone/util/PlaylistsUtil.java

@@ -24,9 +24,6 @@ import java.util.List;
  */
 public class PlaylistsUtil {
 
-//    public static final String MUSIC_ONLY_SELECTION = MediaStore.Audio.AudioColumns.IS_MUSIC + "=1"
-//            + " AND " + MediaStore.Audio.AudioColumns.TITLE + " != ''"; //$NON-NLS-2$
-
     public static int createPlaylist(final Context context, final String name) {
         if (name != null && name.length() > 0) {
             final ContentResolver resolver = context.getContentResolver();
@@ -61,13 +58,13 @@ public class PlaylistsUtil {
 //        context.getContentResolver().delete(uri, null, null);
 //    }
 
-    public static void deletePlaylists(final Context context, final long playlistId) {
+//    public static void deletePlaylists(final Context context, final long playlistId) {
-        final Uri uri = MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI;
+//        final Uri uri = MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI;
-        String where = MediaStore.Audio.Playlists._ID + "=?";
+//        String where = MediaStore.Audio.Playlists._ID + "=?";
-        String[] whereVal = {String.valueOf(playlistId)};
+//        String[] whereVal = {String.valueOf(playlistId)};
-        context.getContentResolver().delete(uri, where, whereVal);
+//        context.getContentResolver().delete(uri, where, whereVal);
-        App.bus.post(new DataBaseChangedEvent(DataBaseChangedEvent.PLAYLISTS_CHANGED));
+//        App.bus.post(new DataBaseChangedEvent(DataBaseChangedEvent.PLAYLISTS_CHANGED));
-    }
+//    }
 
     public static void deletePlaylists(final Context context, final ArrayList<Playlist> playlists) {
         final Uri uri = MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI;
@@ -136,19 +133,20 @@ public class PlaylistsUtil {
         return contentValues;
     }
 
-    public static void removeFromPlaylist(final Context context, final PlaylistSong song) {
+//    public static void removeFromPlaylist(final Context context, final PlaylistSong song) {
-        Uri uri = MediaStore.Audio.Playlists.Members.getContentUri(
+//        Uri uri = MediaStore.Audio.Playlists.Members.getContentUri(
-                "external", song.playlistId);
+//                "external", song.playlistId);
-        String selection = MediaStore.Audio.Playlists.Members._ID + " =?";
+//        String selection = MediaStore.Audio.Playlists.Members._ID + " =?";
-        String[] selectionArgs = new String[]{String.valueOf(song.idInPlayList)};
+//        String[] selectionArgs = new String[]{String.valueOf(song.idInPlayList)};
-
+//
-        context.getContentResolver().delete(uri, selection, selectionArgs);
+//        context.getContentResolver().delete(uri, selection, selectionArgs);
-        App.bus.post(new DataBaseChangedEvent(DataBaseChangedEvent.PLAYLISTS_CHANGED));
+//        App.bus.post(new DataBaseChangedEvent(DataBaseChangedEvent.PLAYLISTS_CHANGED));
-    }
+//    }
 
     public static void removeFromPlaylist(final Context context, final List<PlaylistSong> songs) {
+        final int playlistId = songs.get(0).playlistId;
         Uri uri = MediaStore.Audio.Playlists.Members.getContentUri(
-                "external", songs.get(0).playlistId);
+                "external", playlistId);
         String selectionArgs[] = new String[songs.size()];
         for (int i = 0; i < selectionArgs.length; i++) {
             selectionArgs[i] = String.valueOf(songs.get(i).idInPlayList);

app/src/main/java/com/kabouzeid/gramophone/util/PreferenceUtils.java

@@ -43,6 +43,7 @@ public final class PreferenceUtils {
     public static final String FADE_PLAY_PAUSE = "fade_play_pause";
     public static final String COLORED_NOTIFICATION = "colored_notification";
     public static final String GAPLESS_PLAYBACK = "gapless_playback";
+    public static final String LAST_ADDED_CUTOFF_TIMESTAMP = "last_added_cutoff_timestamp";
 
     private static PreferenceUtils sInstance;
 
@@ -283,4 +284,15 @@ public final class PreferenceUtils {
     public final int getAlbumGridColumnsLand() {
         return mPreferences.getInt(ALBUM_GRID_COLUMNS_LAND, 3);
     }
+
+    public long getLastAddedCutOff() {
+        return mPreferences.getLong(LAST_ADDED_CUTOFF_TIMESTAMP, 0L);
+    }
+
+    @SuppressLint("CommitPrefEdits")
+    public void setLastAddedCutoffTimestamp(final long timestamp) {
+        final SharedPreferences.Editor editor = mPreferences.edit();
+        editor.putLong(LAST_ADDED_CUTOFF_TIMESTAMP, timestamp);
+        editor.commit();
+    }
 }

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

@@ -4,7 +4,6 @@
     android:layout_height="match_parent">
 
     <android.support.v7.widget.RecyclerView
-        android:paddingTop="@dimen/list_padding_vertical"
         android:paddingBottom="@dimen/bottom_offset_fab_activity"
         android:id="@+id/recycler_view"
         android:layout_width="match_parent"

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

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:id="@+id/smart_playlist_container"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical" />
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:clipToPadding="false"
+        android:paddingBottom="@dimen/bottom_offset_fab_activity"
+        android:scrollbars="none" />
+
+    <TextView
+        android:id="@android:id/empty"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:fontFamily="sans-serif-light"
+        android:text="@string/empty"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="@dimen/empty_text_size" />
+
+    <com.kabouzeid.gramophone.views.FastScroller
+        android:id="@+id/fast_scroller"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="end" />
+
+</FrameLayout>

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

@@ -1,18 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             xmlns:tools="http://schemas.android.com/tools"
+    xmlns:tools="http://schemas.android.com/tools"
-             android:layout_width="match_parent"
+    android:layout_width="match_parent"
-             android:layout_height="72dp"
+    android:layout_height="72dp"
-             android:background="?rect_selector">
+    android:background="?card_color"
+    android:elevation="2dp"
+    android:foreground="?rect_selector"
+    tools:ignore="UnusedAttribute">
 
     <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                  android:layout_width="match_parent"
+        android:layout_width="match_parent"
-                  android:layout_height="match_parent"
+        android:layout_height="match_parent"
-                  android:descendantFocusability="blocksDescendants"
+        android:descendantFocusability="blocksDescendants"
-                  android:orientation="horizontal"
+        android:orientation="horizontal"
-                  android:paddingLeft="16dp"
+        android:paddingLeft="16dp"
-                  android:paddingStart="16dp"
+        android:paddingStart="16dp"
-                  tools:ignore="RtlSymmetry">
+        tools:ignore="RtlSymmetry">
 
         <TextView
             android:id="@+id/track_number"

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

@@ -1,8 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="72dp"
-             android:foreground="?rect_selector">
+    android:background="?card_color"
+    android:elevation="2dp"
+    android:foreground="?rect_selector"
+    tools:ignore="UnusedAttribute">
 
     <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
         android:layout_width="match_parent"

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

@@ -1,17 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             xmlns:tools="http://schemas.android.com/tools"
+    xmlns:tools="http://schemas.android.com/tools"
-             android:layout_width="match_parent"
+    android:layout_width="match_parent"
-             android:layout_height="72dp"
+    android:layout_height="72dp"
-             android:foreground="?rect_selector">
+    android:background="?card_color"
+    android:elevation="2dp"
+    android:foreground="?rect_selector"
+    tools:ignore="UnusedAttribute">
 
     <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                  android:layout_width="match_parent"
+        android:layout_width="match_parent"
-                  android:layout_height="match_parent"
+        android:layout_height="match_parent"
-                  android:descendantFocusability="blocksDescendants"
+        android:descendantFocusability="blocksDescendants"
-                  android:orientation="horizontal"
+        android:orientation="horizontal"
-                  android:paddingLeft="16dp"
+        android:paddingLeft="16dp"
-                  android:paddingStart="16dp">
+        android:paddingStart="16dp">
 
         <com.kabouzeid.gramophone.views.WidthFitSquareImageView
             android:id="@+id/album_art"

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

@@ -3,7 +3,10 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="64dp"
-    android:background="?rect_selector">
+    android:background="?card_color"
+    android:elevation="2dp"
+    android:foreground="?rect_selector"
+    tools:ignore="UnusedAttribute">
 
     <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
         android:layout_width="match_parent"
@@ -13,7 +16,6 @@
         android:paddingStart="16dp">
 
         <ImageView
-            android:tint="?themed_drawable_color"
             android:id="@+id/playlist_icon"
             android:layout_width="40dp"
             android:layout_height="40dp"
@@ -21,6 +23,7 @@
             android:gravity="center"
             android:padding="8dp"
             android:src="@drawable/ic_queue_music_white_24dp"
+            android:tint="?themed_drawable_color"
             tools:ignore="ContentDescription" />
 
         <TextView
@@ -40,8 +43,8 @@
             android:id="@+id/menu"
             style="@style/OverFlowButton"
             android:layout_gravity="center_vertical"
-            android:layout_marginRight="2dp"
             android:layout_marginEnd="2dp"
+            android:layout_marginRight="2dp"
             tools:ignore="ContentDescription" />
 
     </LinearLayout>

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

@@ -3,9 +3,11 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="64dp"
+    android:background="?card_color"
     android:descendantFocusability="blocksDescendants"
+    android:elevation="2dp"
     android:orientation="horizontal"
-    tools:ignore="ContentDescription">
+    tools:ignore="UnusedAttribute">
 
     <TextView
         android:id="@+id/song_title"
@@ -22,8 +24,9 @@
     <ImageView
         android:id="@+id/playing_indicator"
         style="@style/PlayingIndicator"
+        android:layout_marginEnd="-8dp"
         android:layout_marginRight="-8dp"
-        android:layout_marginEnd="-8dp" />
+        tools:ignore="ContentDescription" />
 
     <ImageView
         android:id="@+id/menu"

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

@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="64dp"
-    android:descendantFocusability="blocksDescendants"
-    android:orientation="horizontal"
-    android:paddingLeft="16dp"
-    android:paddingStart="16dp">
-
-    <com.kabouzeid.gramophone.views.WidthFitSquareImageView
-        android:id="@+id/image"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
-        android:layout_gravity="center"
-        android:gravity="center"
-        android:scaleType="centerCrop" />
-
-    <LinearLayout
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:layout_weight="1"
-        android:orientation="vertical">
-
-        <TextView
-            android:id="@+id/title"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="16dp"
-            android:layout_marginRight="16dp"
-            android:fontFamily="sans-serif"
-            android:singleLine="true"
-            android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
-            android:textColor="?title_text_color" />
-
-        <TextView
-            android:id="@+id/sub_title"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="16dp"
-            android:layout_marginRight="16dp"
-            android:fontFamily="sans-serif"
-            android:singleLine="true"
-            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-            android:textColor="?caption_text_color" />
-
-    </LinearLayout>
-
-    <ImageView
-        android:id="@+id/menu"
-        style="@style/OverFlowButton"
-        android:layout_gravity="center_vertical"
-        android:layout_marginRight="2dp"
-        android:layout_marginEnd="2dp"
-        tools:ignore="ContentDescription" />
-
-</LinearLayout>

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

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="64dp"
+    android:foreground="?rect_selector"
+    tools:ignore="UnusedAttribute">
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:paddingLeft="16dp"
+        android:paddingStart="16dp">
+
+        <ImageView
+            android:id="@+id/playlist_icon"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:padding="8dp"
+            android:src="@drawable/ic_queue_music_white_24dp"
+            android:tint="?themed_drawable_color"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:id="@+id/playlist_name"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginLeft="16dp"
+            android:layout_marginRight="16dp"
+            android:layout_weight="1"
+            android:fontFamily="sans-serif"
+            android:singleLine="true"
+            android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
+            android:textColor="?title_text_color" />
+
+        <ImageView
+            android:id="@+id/menu"
+            style="@style/OverFlowButton"
+            android:layout_gravity="center_vertical"
+            android:layout_marginEnd="2dp"
+            android:layout_marginRight="2dp"
+            tools:ignore="ContentDescription" />
+
+    </LinearLayout>
+
+</FrameLayout>

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

@@ -1,9 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             xmlns:tools="http://schemas.android.com/tools"
+    xmlns:tools="http://schemas.android.com/tools"
-             android:layout_width="match_parent"
+    android:layout_width="match_parent"
-             android:layout_height="72dp"
+    android:layout_height="72dp"
-             android:foreground="?rect_selector">
+    android:background="?card_color"
+    android:elevation="2dp"
+    android:foreground="?rect_selector"
+    tools:ignore="UnusedAttribute">
 
     <LinearLayout
         android:layout_width="match_parent"

app/src/main/res/menu/menu_item_last_added_playlist_song.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_play_next"
+        android:title="@string/action_play_next"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_add_to_current_playing"
+        android:title="@string/action_add_to_playing_queue"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_add_to_playlist"
+        android:title="@string/action_add_to_playlist"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_go_to_album"
+        android:title="@string/action_go_to_album"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_go_to_artist"
+        android:title="@string/action_go_to_artist"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_share"
+        android:title="@string/action_share"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_tag_editor"
+        android:title="@string/action_tag_editor"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_details"
+        android:title="@string/action_details"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_set_as_ringtone"
+        android:title="@string/action_set_as_ringtone"
+        app:showAsAction="never" />
+    <item
+        android:id="@+id/action_delete_from_disk"
+        android:title="@string/action_delete_from_disk"
+        app:showAsAction="never" />
+</menu>

app/src/main/res/menu/menu_item_playlist.xml

@@ -1,9 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/action_play"
+        android:title="@string/action_play" />
+    <item
+        android:id="@+id/action_add_to_current_playing"
+        android:title="@string/action_add_to_playing_queue" />
     <item
         android:id="@+id/action_rename_playlist"
-        android:title="@string/rename_playlist_title"/>
+        android:title="@string/rename_playlist_title" />
     <item
         android:id="@+id/action_delete_playlist"
-        android:title="@string/delete_playlist_title"/>
+        android:title="@string/delete_playlist_title" />
 </menu>

app/src/main/res/menu/menu_item_smart_playlist.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/action_play"
+        android:title="@string/action_play" />
+    <item
+        android:id="@+id/action_add_to_current_playing"
+        android:title="@string/action_add_to_playing_queue" />
+</menu>

app/src/main/res/menu/menu_last_added_playlist_songs_selection.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_add_to_playlist"
+        android:icon="@drawable/ic_playlist_add_white_24dp"
+        android:title="@string/action_add_to_playlist"
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/action_add_to_current_playing"
+        android:icon="@drawable/ic_queue_white_24dp"
+        android:title="@string/action_add_to_playing_queue"
+        app:showAsAction="ifRoom" />
+
+</menu>

app/src/main/res/menu/menu_playlist_detail.xml

@@ -9,6 +9,11 @@
         android:title="@string/action_currently_playing"
         app:showAsAction="ifRoom" />
 
+    <item
+        android:id="@+id/action_clear_playlist"
+        android:title="@string/action_clear_playlist"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/action_playing_queue"
         android:title="@string/action_playing_queue"

app/src/main/res/values/donottranslate.xml

@@ -3,4 +3,11 @@
     <string name="app_name">Phonograph</string>
     <string name="credits_4">\u0020<a href="http://cookicons.co/">Cookicons</a></string>
     <string name="credits_2">\u0020<b>Karim Abou Zeid</b>.\n\n<a href="https://plus.google.com/+KarimAbouZeid23697">Google+</a>&#160;&#160;&#160;<a href="https://twitter.com/karim23697">Twitter</a>\n\n</string>
+
+    <string name="title_activity_smart_playlist_detail">SmartPlaylistDetailActivity</string>
+    <string name="title_activity_tag_editor">TagEditorActivity</string>
+    <string name="title_activity_album_tag_editor">AlbumTagEditorActivity</string>
+    <string name="title_activity_settings">SettingsActivity</string>
+    <string name="title_activity_playlist_detail">PlaylistActivity</string>
+    <string name="title_activity_search">SearchActivity</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -10,9 +10,11 @@
     <string name="action_settings">"Settings"</string>
     <string name="action_about">About</string>
     <string name="action_currently_playing">Currently playing</string>
+    <string name="action_clear_playlist">Clear playlist</string>
     <string name="action_playing_queue">Playing queue</string>
     <string name="action_search">Search</string>
     <string name="action_play_next">Play next</string>
+    <string name="action_play">Play</string>
     <string name="action_add_to_playing_queue">Add to playing queue</string>
     <string name="action_remove_from_playing_queue">Remove from playing queue</string>
     <string name="action_add_to_playlist">Add to playlist…</string>
@@ -28,7 +30,6 @@
     <string name="biography_unavailable">We were not able to find a matching biography for this artist.</string>
     <string name="biography">Biography</string>
     <string name="audio_focus_denied">No audio focus.</string>
-    <string name="title_activity_tag_editor">Tag editor</string>
     <string name="tag_editor">Tag editor</string>
     <string name="album">Album</string>
     <string name="artist">Artist</string>
@@ -40,7 +41,6 @@
     <string name="album_or_artist_empty">The album title or the album artist text field is empty.</string>
     <string name="writing_file_number">Writing file</string>
     <string name="saving_changes">Saving changes…</string>
-    <string name="title_activity_album_tag_editor">Album Tag Editor</string>
     <string name="label_details">Details</string>
     <string name="label_file_name">File name</string>
     <string name="label_file_path">File path</string>
@@ -55,13 +55,11 @@
     <string name="save_as_playlist">Save as playlist</string>
     <string name="credits_3">Icon by</string>
     <string name="credits_1">"Phonograph is a completely free material designed music player by"</string>
-    <string name="title_activity_search">Search</string>
     <string name="no_results">No results</string>
     <string name="action_re_download_artist_image">Update artist image</string>
     <string name="updating">Updating…</string>
     <string name="added_title_to_playing_queue">"Added 1 title to the playing queue."</string>
     <string name="added_x_titles_to_playing_queue">Added %1$d titles to the playing queue.</string>
-    <string name="title_activity_playlist_detail">Playlist Activity</string>
     <string name="action_remove_from_playlist">Remove from playlist</string>
     <string name="new_playlist_action">New playlist…</string>
     <string name="action_grid_columns">Grid columns</string>
@@ -99,7 +97,6 @@
     <string name="pref_summary_colored_navigation_bar">In which views the navigation bar should be colored.</string>
     <string name="pref_title_navigation_bar">Colored navigation bar</string>
     <string name="pref_title_set_default_start_page">Start page</string>
-    <string name="title_activity_settings">Settings</string>
     <string name="pref_title_colored_navigation_bar_artists">Artist view</string>
     <string name="pref_title_colored_navigation_bar_albums">Album view</string>
     <string name="pref_title_colored_navigation_bar_current_playing">Playing view</string>
@@ -146,15 +143,18 @@
     <string name="pref_summary_fade_play_pause">"Fades the song in/out on play/pause."</string>
     <string name="pref_summary_gapless_playback">"Eliminates the gap between two songs. Disabling this might fix playback issues."</string>
     <string name="pref_summary_force_square_album_art">Album art in the now playing view is forced to be squared.</string>
-    <string name="pref_summary_opaque_toolbar_now_playing">The toolbar is opaque and do not cover the album art.</string>
+    <string name="pref_summary_opaque_toolbar_now_playing">The toolbar is opaque and does not cover the album art.</string>
-    <string name="pref_summary_opaque_statusbar_now_playing">The statusbar is opaque and do not cover the album art.</string>
+    <string name="pref_summary_opaque_statusbar_now_playing">The statusbar is opaque and does not cover the album art.</string>
     <string name="pref_summary_larger_title_box_now_playing">The box below the album art where the song title and artist goes is larger in its height.</string>
-    <string name="pref_summary_alternative_progress_slider_now_playing">Uses a progressbar which do not cover the album art instead of the normal progress slider.</string>
+    <string name="pref_summary_alternative_progress_slider_now_playing">Uses a progressbar which does not cover the album art instead of the default progress slider.</string>
     <string name="pref_summary_playback_controller_card_now_playing">Displays a card below the playback controller buttons (play/pause etc.).</string>
     <string name="failed_download_albumart">"Unable to download the art for this album."</string>
     <string name="search_hint">Search your library…</string>
     <string name="rescanning_media">Rescanning media…</string>
-    <string name="other">Other</string>
+    <string name="favorites">Favorites</string>
+    <string name="last_added">Last added</string>
+    <string name="recently_played">Recently played</string>
+    <string name="my_top_tracks">My top tracks</string>
     <string-array name="update_album_cover_options">
         <item>Download from Last.fm</item>
         <item>Pick from Local Storage</item>