LifeCycle

https://developer.android.google.cn/topic/libraries/architecture/lifecycle

1. 解藕页面与组件
2. 解藕Service与组件
3. ProcessLifecycleOwner监听应用程序生命周期

解藕页面与组件

chronometer = (MyChronometer)findViewById(R.id.chronometer);
getLifecycle().addObserver(chronometer);

解藕Service与组件

https://blog.csdn.net/vitaviva/article/details/121224946

SavedStateHandle

直接给viewmodel传值

https://medium.com/mobile-app-development-publication/passing-intent-data-to-viewmodel-711d72db20ad

CodeLab

https://developer.android.com/codelabs/android-lifecycles#4

OnLifecycleEvent

deprecated
//运行时
implementation “android.arch.lifecycle:runtime:1.1.1”

使用反射

// 编译期
annotationProcessor “android.arch.lifecycle:compiler:1.1.1”
解析注解，生成处理器类,避免反射耗费性能

https://juejin.cn/post/6844903800088559623