启动FirstActivity ->启动SecondActivity ->返回FirstActivity
启动FirstActivity
2020-11-06 15:23:10.079 19027-19027/? E/FirstActivity: onCreate
2020-11-06 15:23:10.151 19027-19027/? E/FirstActivity: onStart
2020-11-06 15:23:10.153 19027-19027/? E/FirstActivity: onResume
启动SecondActivity
2020-11-06 15:23:40.954 19027-19027/? E/FirstActivity: onPause
2020-11-06 15:23:40.985 19027-19027/? E/SecondActivity: onCreate
2020-11-06 15:23:40.989 19027-19027/? E/SecondActivity: onStart
2020-11-06 15:23:40.990 19027-19027/? E/SecondActivity: onResume
2020-11-06 15:23:41.564 19027-19027/? E/FirstActivity: onStop
返回FirstActivity(onActivityResult方法在SecondActivity: onPause后,FirstActivity onRestart前调用)
2020-11-06 15:24:12.263 19027-19027/? E/SecondActivity: onPause
2020-11-06 15:24:12.273 19027-19027/? E/FirstActivity: onRestart
2020-11-06 15:24:12.273 19027-19027/? E/FirstActivity: onStart
2020-11-06 15:24:12.274 19027-19027/? E/FirstActivity: onResume
2020-11-06 15:24:12.816 19027-19027/? E/SecondActivity: onStop
2020-11-06 15:24:12.818 19027-19027/? E/SecondActivity: onDestroy