https://www.jianshu.com/p/16e0d4e92bb2
https://www.jianshu.com/p/0eb89d43eea4
https://blog.csdn.net/weixin_39001306/article/details/80614286
安卓动画的使用
原文：https://www.cnblogs.com/pushu/p/11373758.html
