https://blog.wongcw.com/2018/10/12/%e4%bc%98%e9%85%b7-v7-4-2-%e5%9b%bd%e5%86%85%e7%89%88-%e8%b0%b7%e6%ad%8c%e7%89%88-%e4%bc%98%e9%85%b7xl%e7%89%88-v2-9-7-for-android/