in MediaRouter/Application/src/main/java/com/example/android/mediarouter/player/SessionManager.java [324:346]
private void updatePlaybackState() {
PlaylistItem item = getCurrentItem();
if (item != null) {
if (item.getState() == MediaItemStatus.PLAYBACK_STATE_PENDING) {
item.setState(mPaused ? MediaItemStatus.PLAYBACK_STATE_PAUSED
: MediaItemStatus.PLAYBACK_STATE_PLAYING);
if (!mPlayer.isQueuingSupported()) {
mPlayer.play(item);
}
} else if (mPaused && item.getState() == MediaItemStatus.PLAYBACK_STATE_PLAYING) {
mPlayer.pause();
item.setState(MediaItemStatus.PLAYBACK_STATE_PAUSED);
} else if (!mPaused && item.getState() == MediaItemStatus.PLAYBACK_STATE_PAUSED) {
mPlayer.resume();
item.setState(MediaItemStatus.PLAYBACK_STATE_PLAYING);
}
// notify client that item playback status has changed
if (mCallback != null) {
mCallback.onItemChanged(item);
}
}
updateStatus();
}