Activity | Android 开发者 | Android Developers (google.cn)
ContextAware :
https://juejin.cn/post/6930965257091285005
Activity Result Contract:
https://juejin.cn/post/6900102308604936205
Activity Result Contract – The Basics
Activity Result Contract – Outside The Activity – Styling Android
使用 Jetpack ActivityResult 处理 Activity 之间的数据通信
