https://blog.wongcw.com/2019/03/14/%e4%b8%80%e6%96%87%e5%bf%ab%e9%80%9f%e4%ba%86%e8%a7%a3android-q-beta-1%e9%83%bd%e6%9c%89%e5%93%aa%e4%ba%9b%e6%96%b0%e5%8a%9f%e8%83%bd/