extras/audio/src/main/java/com/stanfy/enroscar/audio/audio/StreamingPlaybackController.java
protected void callPlay(final Uri uri, final int volume, final Bundle params) {
    playing = true;
    paused = false;
    context.startService(
        createPlayIntent().setData(uri)
        .putExtra(StreamingPlaybackService.EXTRA_VOLUME, volume)
        .putExtra(StreamingPlaybackService.EXTRA_TRACK_INFO, params)
    );
    bind();
    onPlayingChanged();
    preparing = true;
    onPreparingChanged();
  }
protected void callPlay(final Uri uri, final int volume, final Bundle params) {
    playing = true;
    paused = false;
    context.startService(
        createPlayIntent().setData(uri)
        .putExtra(StreamingPlaybackService.EXTRA_VOLUME, volume)
        .putExtra(StreamingPlaybackService.EXTRA_TRACK_INFO, params)
    );
    bind();
    onPlayingChanged();
    preparing = true;
    onPreparingChanged();
  }
Play the track.