https://blog.wongcw.com/2019/03/20/android-q%e8%a6%81%e4%be%86%e4%ba%86%e4%bd%86%e5%be%88%e5%8f%af%e8%83%bd%e5%8f%88%e6%98%af%e4%b8%80%e6%ac%a1%e9%9b%9e%e8%82%8b%e6%9b%b4%e6%96%b0/