小球

ObjectAnimator anim3 = ObjectAnimator.ofFloat(mBlueBall,
        "translationY",  -500f, 0f);

ObjectAnimator anim4 = ObjectAnimator.ofFloat(mBlueBall,
        "translationY", 0f, -500f);

/**
 * anim1，anim2,anim3同时执行
 * anim4接着执行
 */
AnimatorSet animSet = new AnimatorSet();

animSet.play(anim4).after(anim3);
animSet.setDuration(1000);
animSet.start();