private void SetCustomAction(PlaybackState.Builder stateBuilder)
{
MediaMetadata currentMusic = GetCurrentPlayingMusic();
if (currentMusic != null)
{
// Set appropriate "Favorite" icon on Custom action:
var musicId = currentMusic.GetString(MediaMetadata.MetadataKeyMediaId);
var favoriteIcon = Resource.Drawable.ic_star_off;
if (_musicProvider.IsFavorite(musicId))
{
favoriteIcon = Resource.Drawable.ic_star_on;
}
stateBuilder.AddCustomAction(CustomActionFavorite, "Favorite", favoriteIcon);
}
}