MovieDetailsActivity.java 文件源码

@Override
public void showNonFavoriteMovie() {
    if (isFavorite) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {

            AnimatedVectorDrawable fullHeart = (AnimatedVectorDrawable)
                    fullHeartConstantState.newDrawable();
            fab.setImageDrawable(fullHeart);
            fullHeart.start();

        } else {
            fab.setImageResource(R.drawable.fab_heart_empty);
        }
        isFavorite = false;
    }
}