https://blog.wongcw.com/2018/10/12/pixel-3%e7%8e%87%e5%85%88%e6%94%af%e6%8c%81android%e5%86%85%e6%a0%b8%e6%8e%a7%e5%88%b6%e6%b5%81%e5%ae%8c%e6%95%b4%e6%80%a7%e9%98%b2%e6%8a%a4/