https://blog.wongcw.com/2019/03/10/%e8%b0%b7%e6%ad%8c%e5%b7%a5%e7%a8%8b%e5%b8%ab%e7%a2%ba%e8%aa%8d5%e6%9c%88%e7%9a%84android-q-beta%e5%85%ac%e6%b8%ac%e5%b0%87%e7%b4%8d%e5%85%a5%e6%9b%b4%e5%a4%9a%e5%bb%a0%e5%95%86/