https://blog.wongcw.com/2021/04/26/%e6%9c%80%e4%bd%8e%e4%ba%ae%e5%ba%a6%e4%bb%8d%e5%a4%aa%e4%ba%ae%ef%bc%9fandroid-12%e5%bc%95%e5%85%a5extra-dim%e5%8a%9f%e8%83%bd/