SplashActivity.java 文件源码

private void startAnimation() {
    ObjectAnimator animator = ObjectAnimator.ofFloat(ivSplashIcon, "translationY", 0, -(ivSplashIcon.getHeight() >> 1));
    animator.setDuration(800);
    animator.setRepeatCount(ObjectAnimator.INFINITE);
    animator.setRepeatMode(ObjectAnimator.RESTART);
    animator.setInterpolator(new CycleInterpolator(0.5f));
    animator.start();
}