https://blog.wongcw.com/2022/07/02/gboard%e9%9d%a2%e5%90%91%e6%89%80%e6%9c%89%e7%94%a8%e6%88%b6%e9%96%8b%e6%94%be%e6%8b%86%e5%88%86%e9%8d%b5%e7%9b%a4%e6%a8%a1%e5%bc%8f/