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大致效果示意如图：
中间的可以是一个Button或者ImageView，周围的扩散效果可以控制动画时间反复，跟material design的ripple effect有点不同是在周围扩散而不是按钮上扩散。
ringa_lee
For an outward diffusion effect like this, you can use the ripple effect https://github.com/skyfishjy/...
https://github.com/shenkaige/...
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
For an outward diffusion effect like this, you can use the ripple effect https://github.com/skyfishjy/...
https://github.com/shenkaige/...