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()
下图为开发文档中图片: