Android Hook framework Xposed details
https://www.cnblogs.com/lkislam/p/4859959.html
Wechat Spellbook is an open source Wechat plug-in framework written using Kotlin
https://gitee.com/kiracookie/WechatSpellbook
Ali series products Xposed Hook detection mechanism analysis
https://zhuanlan.zhihu.com/p/27614665