Merge branch 'soren121-sorting'

app/src/main/java/com/kabouzeid/gramophone/adapter/album/AlbumAdapter.java

@@ -26,6 +26,8 @@ import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
 import com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
+import com.kabouzeid.gramophone.helper.SortOrder;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -186,7 +188,20 @@ public class AlbumAdapter extends AbsMultiSelectAdapter<AlbumAdapter.ViewHolder,
     @NonNull
     @Override
     public String getSectionName(int position) {
-        return MusicUtil.getSectionName(dataSet.get(position).getTitle());
+        @Nullable String sectionName = null;
+        switch (PreferenceUtil.getInstance(activity).getAlbumSortOrder()) {
+            case SortOrder.AlbumSortOrder.ALBUM_A_Z:
+            case SortOrder.AlbumSortOrder.ALBUM_Z_A:
+                sectionName = dataSet.get(position).getTitle();
+                break;
+            case SortOrder.AlbumSortOrder.ALBUM_ARTIST:
+                sectionName = dataSet.get(position).getArtistName();
+                break;
+            case SortOrder.AlbumSortOrder.ALBUM_YEAR:
+                return Integer.toString(dataSet.get(position).getYear());
+        }
+
+        return MusicUtil.getSectionName(sectionName);
     }
 
     public class ViewHolder extends MediaEntryViewHolder {

app/src/main/java/com/kabouzeid/gramophone/adapter/artist/ArtistAdapter.java

@@ -19,12 +19,14 @@ import com.kabouzeid.gramophone.adapter.base.AbsMultiSelectAdapter;
 import com.kabouzeid.gramophone.adapter.base.MediaEntryViewHolder;
 import com.kabouzeid.gramophone.glide.ArtistGlideRequest;
 import com.kabouzeid.gramophone.glide.PhonographColoredTarget;
+import com.kabouzeid.gramophone.helper.SortOrder;
 import com.kabouzeid.gramophone.helper.menu.SongsMenuHelper;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.model.Artist;
 import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
 import com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView;
 
 import java.util.ArrayList;
@@ -173,7 +175,15 @@ public class ArtistAdapter extends AbsMultiSelectAdapter<ArtistAdapter.ViewHolde
     @NonNull
     @Override
     public String getSectionName(int position) {
-        return MusicUtil.getSectionName(dataSet.get(position).getName());
+        @Nullable String sectionName = null;
+        switch (PreferenceUtil.getInstance(activity).getArtistSortOrder()) {
+            case SortOrder.ArtistSortOrder.ARTIST_A_Z:
+            case SortOrder.ArtistSortOrder.ARTIST_Z_A:
+                sectionName = dataSet.get(position).getName();
+                break;
+        }
+
+        return MusicUtil.getSectionName(sectionName);
     }
 
     public class ViewHolder extends MediaEntryViewHolder {

app/src/main/java/com/kabouzeid/gramophone/adapter/song/SongAdapter.java

@@ -21,12 +21,14 @@ import com.kabouzeid.gramophone.adapter.base.MediaEntryViewHolder;
 import com.kabouzeid.gramophone.glide.PhonographColoredTarget;
 import com.kabouzeid.gramophone.glide.SongGlideRequest;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.helper.SortOrder;
 import com.kabouzeid.gramophone.helper.menu.SongMenuHelper;
 import com.kabouzeid.gramophone.helper.menu.SongsMenuHelper;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
 import com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView;
 
 import java.util.ArrayList;
@@ -184,7 +186,27 @@ public class SongAdapter extends AbsMultiSelectAdapter<SongAdapter.ViewHolder, S
     @NonNull
     @Override
     public String getSectionName(int position) {
-        return showSectionName ? MusicUtil.getSectionName(dataSet.get(position).title) : "";
+        if (!showSectionName) {
+            return "";
+        }
+
+        @Nullable String sectionName = null;
+        switch (PreferenceUtil.getInstance(activity).getSongSortOrder()) {
+            case SortOrder.SongSortOrder.SONG_A_Z:
+            case SortOrder.SongSortOrder.SONG_Z_A:
+                sectionName = dataSet.get(position).title;
+                break;
+            case SortOrder.SongSortOrder.SONG_ALBUM:
+                sectionName = dataSet.get(position).albumName;
+                break;
+            case SortOrder.SongSortOrder.SONG_ARTIST:
+                sectionName = dataSet.get(position).artistName;
+                break;
+            case SortOrder.SongSortOrder.SONG_YEAR:
+                return Integer.toString(dataSet.get(position).year);
+        }
+
+        return MusicUtil.getSectionName(sectionName);
     }
 
     public class ViewHolder extends MediaEntryViewHolder {

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

@@ -60,11 +60,11 @@ public final class SortOrder {
                 + " DESC";
 
         /* Album sort order artist */
-        String ALBUM_ARTIST = MediaStore.Audio.Albums.ARTIST;
+        String ALBUM_ARTIST = MediaStore.Audio.Artists.DEFAULT_SORT_ORDER
+                + ", " + MediaStore.Audio.Albums.DEFAULT_SORT_ORDER;
 
         /* Album sort order year */
-        String ALBUM_YEAR = MediaStore.Audio.Albums.FIRST_YEAR + " DESC";
+        String ALBUM_YEAR = MediaStore.Audio.Media.YEAR + " DESC";
-
     }
 
     /**
@@ -78,10 +78,10 @@ public final class SortOrder {
         String SONG_Z_A = SONG_A_Z + " DESC";
 
         /* Song sort order artist */
-        String SONG_ARTIST = MediaStore.Audio.Media.ARTIST;
+        String SONG_ARTIST = MediaStore.Audio.Artists.DEFAULT_SORT_ORDER;
 
         /* Song sort order album */
-        String SONG_ALBUM = MediaStore.Audio.Media.ALBUM;
+        String SONG_ALBUM = MediaStore.Audio.Albums.DEFAULT_SORT_ORDER;
 
         /* Song sort order year */
         String SONG_YEAR = MediaStore.Audio.Media.YEAR + " DESC";

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

@@ -10,6 +10,7 @@ import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.util.PreferenceUtil;
 
 import java.util.ArrayList;
+import java.util.Collections;
 
 /**
  * @author Karim Abou Zeid (kabouzeid)
@@ -45,7 +46,9 @@ public class AlbumLoader {
     @NonNull
     public static Album getAlbum(@NonNull final Context context, int albumId) {
         ArrayList<Song> songs = SongLoader.getSongs(SongLoader.makeSongCursor(context, AudioColumns.ALBUM_ID + "=?", new String[]{String.valueOf(albumId)}, getSongLoaderSortOrder(context)));
-        return new Album(songs);
+        Album album = new Album(songs);
+        sortSongsByTrackNumber(album);
+        return album;
     }
 
     @NonNull
@@ -56,6 +59,9 @@ public class AlbumLoader {
                 getOrCreateAlbum(albums, song.albumId).songs.add(song);
             }
         }
+        for (Album album : albums) {
+            sortSongsByTrackNumber(album);
+        }
         return albums;
     }
 
@@ -69,4 +75,8 @@ public class AlbumLoader {
         albums.add(album);
         return album;
     }
+
+    private static void sortSongsByTrackNumber(Album album) {
+        Collections.sort(album.songs, (o1, o2) -> o1.trackNumber - o2.trackNumber);
+    }
 }

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

@@ -70,8 +70,8 @@ public class ArtistLoader {
                 return artist;
             }
         }
-        Artist album = new Artist();
+        Artist artist = new Artist();
-        artists.add(album);
+        artists.add(artist);
-        return album;
+        return artist;
     }
 }

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/mainactivity/library/LibraryFragment.java

@@ -29,13 +29,17 @@ import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.adapter.MusicLibraryPagerAdapter;
 import com.kabouzeid.gramophone.dialogs.CreatePlaylistDialog;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.helper.SortOrder;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.loader.SongLoader;
 import com.kabouzeid.gramophone.ui.activities.MainActivity;
 import com.kabouzeid.gramophone.ui.activities.SearchActivity;
 import com.kabouzeid.gramophone.ui.fragments.mainactivity.AbsMainActivityFragment;
 import com.kabouzeid.gramophone.ui.fragments.mainactivity.library.pager.AbsLibraryPagerRecyclerViewCustomGridSizeFragment;
+import com.kabouzeid.gramophone.ui.fragments.mainactivity.library.pager.AlbumsFragment;
+import com.kabouzeid.gramophone.ui.fragments.mainactivity.library.pager.ArtistsFragment;
 import com.kabouzeid.gramophone.ui.fragments.mainactivity.library.pager.PlaylistsFragment;
+import com.kabouzeid.gramophone.ui.fragments.mainactivity.library.pager.SongsFragment;
 import com.kabouzeid.gramophone.util.PhonographColorUtil;
 import com.kabouzeid.gramophone.util.PreferenceUtil;
 import com.kabouzeid.gramophone.util.Util;
@@ -197,9 +201,12 @@ public class LibraryFragment extends AbsMainActivityFragment implements CabHolde
 
             menu.findItem(R.id.action_colored_footers).setChecked(absLibraryRecyclerViewCustomGridSizeFragment.usePalette());
             menu.findItem(R.id.action_colored_footers).setEnabled(absLibraryRecyclerViewCustomGridSizeFragment.canUsePalette());
+
+            setUpSortOrderMenu(absLibraryRecyclerViewCustomGridSizeFragment, menu.findItem(R.id.action_sort_order).getSubMenu());
         } else {
             menu.removeItem(R.id.action_grid_size);
             menu.removeItem(R.id.action_colored_footers);
+            menu.removeItem(R.id.action_sort_order);
         }
         Activity activity = getActivity();
         if (activity == null) return;
@@ -228,6 +235,9 @@ public class LibraryFragment extends AbsMainActivityFragment implements CabHolde
             if (handleGridSizeMenuItem(absLibraryRecyclerViewCustomGridSizeFragment, item)) {
                 return true;
             }
+            if (handleSortOrderMenuItem(absLibraryRecyclerViewCustomGridSizeFragment, item)) {
+                return true;
+            }
         }
 
         int id = item.getItemId();
@@ -330,6 +340,95 @@ public class LibraryFragment extends AbsMainActivityFragment implements CabHolde
         return false;
     }
 
+    private void setUpSortOrderMenu(@NonNull AbsLibraryPagerRecyclerViewCustomGridSizeFragment fragment, @NonNull SubMenu sortOrderMenu) {
+        String currentSortOrder = fragment.getSortOrder();
+        sortOrderMenu.clear();
+
+        if (fragment instanceof AlbumsFragment) {
+            sortOrderMenu.add(0, R.id.action_album_sort_order_asc, 0, R.string.sort_order_a_z)
+                    .setChecked(currentSortOrder.equals(SortOrder.AlbumSortOrder.ALBUM_A_Z));
+            sortOrderMenu.add(0, R.id.action_album_sort_order_desc, 1, R.string.sort_order_z_a)
+                    .setChecked(currentSortOrder.equals(SortOrder.AlbumSortOrder.ALBUM_Z_A));
+            sortOrderMenu.add(0, R.id.action_album_sort_order_artist, 2, R.string.sort_order_artist)
+                    .setChecked(currentSortOrder.equals(SortOrder.AlbumSortOrder.ALBUM_ARTIST));
+            sortOrderMenu.add(0, R.id.action_album_sort_order_year, 3, R.string.sort_order_year)
+                    .setChecked(currentSortOrder.equals(SortOrder.AlbumSortOrder.ALBUM_YEAR));
+        } else if (fragment instanceof ArtistsFragment) {
+            sortOrderMenu.add(0, R.id.action_artist_sort_order_asc, 0, R.string.sort_order_a_z)
+                    .setChecked(currentSortOrder.equals(SortOrder.ArtistSortOrder.ARTIST_A_Z));
+            sortOrderMenu.add(0, R.id.action_artist_sort_order_desc, 1, R.string.sort_order_z_a)
+                    .setChecked(currentSortOrder.equals(SortOrder.ArtistSortOrder.ARTIST_Z_A));
+        } else if (fragment instanceof SongsFragment) {
+            sortOrderMenu.add(0, R.id.action_song_sort_order_asc, 0, R.string.sort_order_a_z)
+                    .setChecked(currentSortOrder.equals(SortOrder.SongSortOrder.SONG_A_Z));
+            sortOrderMenu.add(0, R.id.action_song_sort_order_desc, 1, R.string.sort_order_z_a)
+                    .setChecked(currentSortOrder.equals(SortOrder.SongSortOrder.SONG_Z_A));
+            sortOrderMenu.add(0, R.id.action_song_sort_order_artist, 2, R.string.sort_order_artist)
+                    .setChecked(currentSortOrder.equals(SortOrder.SongSortOrder.SONG_ARTIST));
+            sortOrderMenu.add(0, R.id.action_song_sort_order_album, 3, R.string.sort_order_album)
+                    .setChecked(currentSortOrder.equals(SortOrder.SongSortOrder.SONG_ALBUM));
+            sortOrderMenu.add(0, R.id.action_song_sort_order_year, 4, R.string.sort_order_year)
+                    .setChecked(currentSortOrder.equals(SortOrder.SongSortOrder.SONG_YEAR));
+        }
+
+        sortOrderMenu.setGroupCheckable(0, true, true);
+    }
+
+    private boolean handleSortOrderMenuItem(@NonNull AbsLibraryPagerRecyclerViewCustomGridSizeFragment fragment, @NonNull MenuItem item) {
+        String sortOrder = null;
+        if (fragment instanceof AlbumsFragment) {
+            switch (item.getItemId()) {
+                case R.id.action_album_sort_order_asc:
+                    sortOrder = SortOrder.AlbumSortOrder.ALBUM_A_Z;
+                    break;
+                case R.id.action_album_sort_order_desc:
+                    sortOrder = SortOrder.AlbumSortOrder.ALBUM_Z_A;
+                    break;
+                case R.id.action_album_sort_order_artist:
+                    sortOrder = SortOrder.AlbumSortOrder.ALBUM_ARTIST;
+                    break;
+                case R.id.action_album_sort_order_year:
+                    sortOrder = SortOrder.AlbumSortOrder.ALBUM_YEAR;
+                    break;
+            }
+        } else if (fragment instanceof ArtistsFragment) {
+            switch (item.getItemId()) {
+                case R.id.action_artist_sort_order_asc:
+                    sortOrder = SortOrder.ArtistSortOrder.ARTIST_A_Z;
+                    break;
+                case R.id.action_artist_sort_order_desc:
+                    sortOrder = SortOrder.ArtistSortOrder.ARTIST_Z_A;
+                    break;
+            }
+        } else if (fragment instanceof SongsFragment) {
+            switch (item.getItemId()) {
+                case R.id.action_song_sort_order_asc:
+                    sortOrder = SortOrder.SongSortOrder.SONG_A_Z;
+                    break;
+                case R.id.action_song_sort_order_desc:
+                    sortOrder = SortOrder.SongSortOrder.SONG_Z_A;
+                    break;
+                case R.id.action_song_sort_order_artist:
+                    sortOrder = SortOrder.SongSortOrder.SONG_ARTIST;
+                    break;
+                case R.id.action_song_sort_order_album:
+                    sortOrder = SortOrder.SongSortOrder.SONG_ALBUM;
+                    break;
+                case R.id.action_song_sort_order_year:
+                    sortOrder = SortOrder.SongSortOrder.SONG_YEAR;
+                    break;
+            }
+        }
+
+        if (sortOrder != null) {
+            item.setChecked(true);
+            fragment.setAndSaveSortOrder(sortOrder);
+            return true;
+        }
+
+        return false;
+    }
+
     @Override
     public boolean handleBackPress() {
         if (cab != null && cab.isActive()) {

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/mainactivity/library/pager/AbsLibraryPagerRecyclerViewCustomGridSizeFragment.java

@@ -14,6 +14,7 @@ import com.kabouzeid.gramophone.util.Util;
  */
 public abstract class AbsLibraryPagerRecyclerViewCustomGridSizeFragment<A extends RecyclerView.Adapter, LM extends RecyclerView.LayoutManager> extends AbsLibraryPagerRecyclerViewFragment<A, LM> {
     private int gridSize;
+    private String sortOrder;
 
     private boolean usePaletteInitialized;
     private boolean usePalette;
@@ -49,6 +50,13 @@ public abstract class AbsLibraryPagerRecyclerViewCustomGridSizeFragment<A extend
         return usePalette;
     }
 
+    public final String getSortOrder() {
+        if (sortOrder == null) {
+            sortOrder = loadSortOrder();
+        }
+        return sortOrder;
+    }
+
     public void setAndSaveGridSize(final int gridSize) {
         int oldLayoutRes = getItemLayoutRes();
         this.gridSize = gridSize;
@@ -72,6 +80,12 @@ public abstract class AbsLibraryPagerRecyclerViewCustomGridSizeFragment<A extend
         setUsePalette(usePalette);
     }
 
+    public void setAndSaveSortOrder(final String sortOrder) {
+        this.sortOrder = sortOrder;
+        saveSortOrder(sortOrder);
+        setSortOrder(sortOrder);
+    }
+
     /**
      * @return whether the palette option should be available for the current item layout or not
      */
@@ -132,6 +146,12 @@ public abstract class AbsLibraryPagerRecyclerViewCustomGridSizeFragment<A extend
 
     protected abstract void setGridSize(int gridSize);
 
+    protected abstract String loadSortOrder();
+
+    protected abstract void saveSortOrder(String sortOrder);
+
+    protected abstract void setSortOrder(String sortOrder);
+
     protected int getMaxGridSizeForList() {
         if (isLandscape()) {
             return getActivity().getResources().getInteger(R.integer.default_list_columns_land);

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/mainactivity/library/pager/AlbumsFragment.java

@@ -55,6 +55,21 @@ public class AlbumsFragment extends AbsLibraryPagerRecyclerViewCustomGridSizeFra
         return R.string.no_albums;
     }
 
+    @Override
+    protected String loadSortOrder() {
+        return PreferenceUtil.getInstance(getActivity()).getAlbumSortOrder();
+    }
+
+    @Override
+    protected void saveSortOrder(String sortOrder) {
+        PreferenceUtil.getInstance(getActivity()).setAlbumSortOrder(sortOrder);
+    }
+
+    @Override
+    protected void setSortOrder(String sortOrder) {
+        getLoaderManager().restartLoader(LOADER_ID, null, this);
+    }
+
     @Override
     public boolean loadUsePalette() {
         return PreferenceUtil.getInstance(getActivity()).albumColoredFooters();

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/mainactivity/library/pager/ArtistsFragment.java

@@ -62,6 +62,21 @@ public class ArtistsFragment extends AbsLibraryPagerRecyclerViewCustomGridSizeFr
         getLoaderManager().restartLoader(LOADER_ID, null, this);
     }
 
+    @Override
+    protected String loadSortOrder() {
+        return PreferenceUtil.getInstance(getActivity()).getArtistSortOrder();
+    }
+
+    @Override
+    protected void saveSortOrder(String sortOrder) {
+        PreferenceUtil.getInstance(getActivity()).setArtistSortOrder(sortOrder);
+    }
+
+    @Override
+    protected void setSortOrder(String sortOrder) {
+        getLoaderManager().restartLoader(LOADER_ID, null, this);
+    }
+
     @Override
     protected int loadGridSize() {
         return PreferenceUtil.getInstance(getActivity()).getArtistGridSize(getActivity());

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/mainactivity/library/pager/SongsFragment.java

@@ -73,6 +73,21 @@ public class SongsFragment extends AbsLibraryPagerRecyclerViewCustomGridSizeFrag
         getLoaderManager().restartLoader(LOADER_ID, null, this);
     }
 
+    @Override
+    protected String loadSortOrder() {
+        return PreferenceUtil.getInstance(getActivity()).getSongSortOrder();
+    }
+
+    @Override
+    protected void saveSortOrder(String sortOrder) {
+        PreferenceUtil.getInstance(getActivity()).setSongSortOrder(sortOrder);
+    }
+
+    @Override
+    protected void setSortOrder(String sortOrder) {
+        getLoaderManager().restartLoader(LOADER_ID, null, this);
+    }
+
     @Override
     protected int loadGridSize() {
         return PreferenceUtil.getInstance(getActivity()).getSongGridSize(getActivity());

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

@@ -222,6 +222,12 @@ public final class PreferenceUtil {
         return mPreferences.getString(ARTIST_SORT_ORDER, SortOrder.ArtistSortOrder.ARTIST_A_Z);
     }
 
+    public void setArtistSortOrder(final String sortOrder) {
+        final SharedPreferences.Editor editor = mPreferences.edit();
+        editor.putString(ARTIST_SORT_ORDER, sortOrder);
+        editor.commit();
+    }
+
     public final String getArtistSongSortOrder() {
         return mPreferences.getString(ARTIST_SONG_SORT_ORDER, SortOrder.ArtistSongSortOrder.SONG_A_Z);
     }
@@ -234,6 +240,12 @@ public final class PreferenceUtil {
         return mPreferences.getString(ALBUM_SORT_ORDER, SortOrder.AlbumSortOrder.ALBUM_A_Z);
     }
 
+    public void setAlbumSortOrder(final String sortOrder) {
+        final SharedPreferences.Editor editor = mPreferences.edit();
+        editor.putString(ALBUM_SORT_ORDER, sortOrder);
+        editor.commit();
+    }
+
     public final String getAlbumSongSortOrder() {
         return mPreferences.getString(ALBUM_SONG_SORT_ORDER, SortOrder.AlbumSongSortOrder.SONG_TRACK_LIST);
     }
@@ -242,6 +254,12 @@ public final class PreferenceUtil {
         return mPreferences.getString(SONG_SORT_ORDER, SortOrder.SongSortOrder.SONG_A_Z);
     }
 
+    public void setSongSortOrder(final String sortOrder) {
+        final SharedPreferences.Editor editor = mPreferences.edit();
+        editor.putString(SONG_SORT_ORDER, sortOrder);
+        editor.commit();
+    }
+
     public final String getGenreSortOrder() {
         return mPreferences.getString(GENRE_SORT_ORDER, SortOrder.GenreSortOrder.GENRE_A_Z);
     }

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

@@ -50,6 +50,13 @@
         </menu>
     </item>
 
+    <item
+        android:id="@+id/action_sort_order"
+        android:title="@string/action_sort_order">
+        <menu>
+        </menu>
+    </item>
+
     <item
         android:id="@+id/action_colored_footers"
         android:checkable="true"

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

@@ -2,4 +2,16 @@
 <resources>
     <item name="action_new_playlist" type="id" />
     <item name="action_show_lyrics" type="id" />
+
+    <item name="action_album_sort_order_asc" type="id" />
+    <item name="action_album_sort_order_desc" type="id" />
+    <item name="action_album_sort_order_artist" type="id" />
+    <item name="action_album_sort_order_year" type="id" />
+    <item name="action_artist_sort_order_asc" type="id" />
+    <item name="action_artist_sort_order_desc" type="id" />
+    <item name="action_song_sort_order_asc" type="id" />
+    <item name="action_song_sort_order_desc" type="id" />
+    <item name="action_song_sort_order_artist" type="id" />
+    <item name="action_song_sort_order_album" type="id" />
+    <item name="action_song_sort_order_year" type="id" />
 </resources>

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

@@ -297,4 +297,10 @@
     <string name="you_have_to_select_at_least_one_category">You have to select at least one category.</string>
     <string name="action_scan_directory">Scan directory</string>
     <string name="scan_media">Scan media</string>
+    <string name="action_sort_order">Sort order</string>
+    <string name="sort_order_a_z">Ascending</string>
+    <string name="sort_order_z_a">Descending</string>
+    <string name="sort_order_artist">Artist</string>
+    <string name="sort_order_album">Album</string>
+    <string name="sort_order_year">Year</string>
 </resources>