FinalActivity.java 文件源码

@Override
protected void onStart() {
    super.onStart();

    // Animate checkmark
    mFinalCheckmarkImageView.postDelayed(new Runnable() {
        @Override
        public void run() {
            mFinalCheckmarkImageView.setVisibility(View.VISIBLE);
            Drawable drawable = mFinalCheckmarkImageView.getDrawable();
            ((Animatable) drawable).start();

            playGoodJob();
        }
    }, DEFAULT_PLAYER_DELAY);
}