*/
private AnimatorSet getAnimatorSet(ImageView loveIv) {
// 1.alpha动画
ObjectAnimator alpha = ObjectAnimator
.ofFloat(loveIv, "alpha", 0.3f, 1f);
// 2.缩放动画
ObjectAnimator scaleX = ObjectAnimator.ofFloat(loveIv, "scaleX", 0.2f,
1f);
ObjectAnimator scaleY = ObjectAnimator.ofFloat(loveIv, "scaleY", 0.2f,
1f);
// 刚刚进入动画集合
AnimatorSet enter = new AnimatorSet();
enter.setDuration(500);
enter.playTogether(alpha, scaleX, scaleY);
enter.setTarget(loveIv);