Activity 生命周期复习笔记

first activity

onCreate()

onStart()

onResume()

onPause()

second Activity

onCreate()

onStrart()

onResume()

first Activity onStop() 仅在全遮盖

second Activity onPause()

first Activity 

onRestart() 不需要重新创建 即不需调用 onCreate() 因为第一个Activity未被销毁掉

onStart()

onResume()

second Activity

onStop()

onDestroy()