https://blog.wongcw.com/2019/03/08/android%e7%ab%afcortana-3-2%e7%99%bc%e5%b8%83%ef%bc%9a%e4%b8%bb%e7%95%8c%e9%9d%a2%e5%bc%95%e5%85%a5%e5%85%a8%e6%96%b0ui%e8%a8%ad%e8%a8%88/