https://blog.wongcw.com/2021/04/07/%e6%89%8b%e6%a9%9f%e6%a5%ad%e5%8b%99%e9%9b%96%e5%b7%b2%e6%94%be%e6%a3%84%e4%bd%86%e9%83%a8%e5%88%86lg%e6%a9%9f%e5%9e%8b%e4%bb%8d%e5%8f%af%e5%8d%87%e7%b4%9aandroid-12/