/**
* Update the current media player state, optionally showing an error message.
*
* @param error if not null, error message to present to the user.
*/
private void updatePlaybackState(String error) {
LogHelper.d(TAG, "updatePlaybackState, playback state=" + mPlayback.getState());
long position = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
if (mPlayback != null && mPlayback.isConnected()) {
position = mPlayback.getCurrentStreamPosition();
}
PlaybackState.Builder stateBuilder =
new PlaybackState.Builder().setActions(getAvailableActions());
setCustomAction(stateBuilder);
int state = mPlayback.getState();
// If there is an error message, send it to the playback state:
if (error != null) {
// Error states are really only supposed to be used for errors that cause playback to
// stop unexpectedly and persist until the user takes action to fix it.
stateBuilder.setErrorMessage(error);
state = PlaybackState.STATE_ERROR;
}
stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());
// Set the activeQueueItemId if the current index is valid.
if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
MediaSession.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);
stateBuilder.setActiveQueueItemId(item.getQueueId());
}
mSession.setPlaybackState(stateBuilder.build());
if (state == PlaybackState.STATE_PLAYING || state == PlaybackState.STATE_PAUSED) {
mMediaNotificationManager.startNotification();
}
}
private void updatePlaybackState(int position) {
PlaybackState.Builder stateBuilder =
new PlaybackState.Builder().setActions(getAvailableActions());
int state = PlaybackState.STATE_PLAYING;
if (mPlaybackState == LeanbackPlaybackState.PAUSED) {
state = PlaybackState.STATE_PAUSED;
}
stateBuilder.setState(state, position, 1.0f);
mSession.setPlaybackState(stateBuilder.build());
}
private void setCustomAction(PlaybackState.Builder stateBuilder) {
MediaMetadata currentMusic = getCurrentPlayingMusic();
if (currentMusic != null) {
// Set appropriate "Favorite" icon on Custom action:
String musicId = currentMusic.getString(MediaMetadata.METADATA_KEY_MEDIA_ID);
int favoriteIcon = R.drawable.ic_star_off;
if (mMusicProvider.isFavorite(musicId)) {
favoriteIcon = R.drawable.ic_star_on;
}
LogHelper.d(
TAG,
"updatePlaybackState, setting Favorite custom action of music ",
musicId,
" current favorite=",
mMusicProvider.isFavorite(musicId));
stateBuilder.addCustomAction(
CUSTOM_ACTION_THUMBS_UP, getString(R.string.favorite), favoriteIcon);
}
}