https://blog.wongcw.com/2020/02/21/android-11%e9%80%9a%e7%9f%a5%e6%ac%84%e9%9a%b1%e8%97%8f%e6%94%b9%e5%8b%95%e6%9b%9d%e5%85%89%ef%bc%9a%e5%bf%ab%e6%8d%b7%e9%96%8b%e9%97%9c%e5%8f%af%e4%bb%a5%e6%8f%9b%e8%a3%9d%e5%bd%a9%e8%89%b2%e5%9c%96/