https://blog.wongcw.com/2021/06/10/android-12-beta-2%e6%96%b0%e7%89%b9%e6%80%a7%e4%b8%80%e8%a6%bd%ef%bc%9a%e5%84%aa%e5%8c%96%e7%b6%b2%e7%b5%a1%e7%ae%a1%e7%90%86%e5%a2%9e%e5%bc%b7%e9%9a%b1%e7%a7%81%e4%bf%9d%e8%ad%b7/