CustormAnim.java 文件源码

@NonNull
    private AnimatorSet testAnim(GiftFrameLayout giftFrameLayout) {
        PropertyValuesHolder translationY = PropertyValuesHolder.ofFloat("translationY", 0, -50);
        PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f, 0.5f);
        ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(giftFrameLayout, translationY, alpha);
        animator.setStartDelay(0);
        animator.setDuration(1500);

        translationY = PropertyValuesHolder.ofFloat("translationY", -50, -100);
        alpha = PropertyValuesHolder.ofFloat("alpha", 0.5f, 0f);
        ObjectAnimator animator1 = ObjectAnimator.ofPropertyValuesHolder(giftFrameLayout, translationY, alpha);
        animator1.setStartDelay(0);
        animator1.setDuration(1500);

        // 复原
//        ObjectAnimator fadeAnimator2 = GiftAnimationUtil.createFadeAnimator(giftFrameLayout, 0, 0, 0, 0);

        AnimatorSet animatorSet = new AnimatorSet();
        animatorSet.play(animator1).after(animator);
//        animatorSet.play(fadeAnimator2).after(animator1);
        animatorSet.start();
        return animatorSet;
    }