android基础(Activity的生命周期)

启动程序
FirstActivity -------- onCreate()
FirstActivity -------- onStart()

FirstActivity -------- onResume()

在第一Activity中调用了第二个Activity

FirstActivity -------- onPause()
SecondActivity -------- onCreate()
SecondActivity -------- onStart()

SecondActivity -------- onResume()

FirstActivity -------- onStop()

退出第二个Activity

SecondActivity -------- onPause()
FirstActivity -------- onRestart()
FirstActivity -------- onStart()
FirstActivity -------- onResume()
SecondActivity -------- onStop()

SecondActivity -------- onDestroy()

结束程序

FirstActivity --------- onPause()
FirstActivity --------- onStop()

FirstActivity --------- onDestroy()

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