@Override public void playAll(PlaylistData item, Context context) { if (item.getSongs().isEmpty()) { ((MainActivity) context).showMessage(R.string.playlist_is_empty); return; } PlaybackService player = PlaybackService.get(context); MusicApp.getSharedPreferences() .edit() .putLong(Constants.PREF_LAST_PLAYLIST_ID, item.getId()) .commit(); player.setArrayPlayback(new ArrayList<AbstractSong>(item.getSongs())); ((BaseMiniPlayerActivity) context).startSong((item.getSongs().get(0))); }