Android开发教程(2019最新版,使用JetPack)
Android Architecture Components samples
https://github.com/android/architecture-components-samples
文件结构
view绑定
Vector
多语言
Activity 被后台杀死 - ViewModel SavedState
SaveStateHandle
SharePreference - 存储在本地
Navigate
Navigator resource
数据传递
LiveData
调用打电话服务
OnLifeCycleEvent
Room database migrate