private void configurePopupWithTracks( PopupMenu popup, final OnMenuItemClickListener customActionClickListener, final int trackType) { if (player == null) { return; } int trackCount = player.getTrackCount(trackType); if (trackCount == 0) { return; } popup.setOnMenuItemClickListener( new OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { return (customActionClickListener != null && customActionClickListener.onMenuItemClick(item)) || onTrackItemClick(item, trackType); } }); Menu menu = popup.getMenu(); // ID_OFFSET ensures we avoid clashing with Menu.NONE (which equals 0) menu.add(MENU_GROUP_TRACKS, DemoPlayer.TRACK_DISABLED + ID_OFFSET, Menu.NONE, R.string.off); for (int i = 0; i < trackCount; i++) { menu.add( MENU_GROUP_TRACKS, i + ID_OFFSET, Menu.NONE, buildTrackName(player.getTrackFormat(trackType, i))); } menu.setGroupCheckable(MENU_GROUP_TRACKS, true, true); menu.findItem(player.getSelectedTrack(trackType) + ID_OFFSET).setChecked(true); }
private boolean haveTracks(int type) { return player != null && player.getTrackCount(type) > 0; }