Android 两个Activity之间切换

有两个Activity，其中主Activity是MainActivity，副Activity是OtherActivity。

启动MainActivity后经历的过程如下：

10-07 03:19:23.624: I/MainActivity(505): onCreate
10-07 03:19:23.624: I/MainActivity(505): onStart
10-07 03:19:23.624: I/MainActivity(505): onResume
点击启动新的activity按钮后经历的过程如下：

10-07 03:19:32.674: I/MainActivity(505): onPause
10-07 03:19:32.744: I/MainActivity(505):OtherActivity.onCreate
10-07 03:19:32.744: I/MainActivity(505):OtherActivity.onStart
10-07 03:19:32.744: I/MainActivity(505):OtherActivity.onResume
10-07 03:19:33.144: I/MainActivity(505): onStop
点击返回按键后经历的过程如下：

10-07 03:20:11.444: I/MainActivity(505):OtherActivity.onPause
10-07 03:20:11.474: I/MainActivity(505): onRestart
10-07 03:20:11.474: I/MainActivity(505): onStart
10-07 03:20:11.474: I/MainActivity(505): onResume
10-07 03:20:11.803: I/MainActivity(505): OtherActivity.onStop
10-07 03:20:11.803: I/MainActivity(505):OtherActivity.onDestroy
再次点击返回按键后经历的过程如下：

10-07 03:20:53.554: I/MainActivity(505): onPause
10-07 03:20:54.174: I/MainActivity(505): onStop
10-07 03:20:54.174: I/MainActivity(505): onDestroy

 

横竖屏切换经历的过程如下：

10-20 14:30:22.125: I/MainActivity(10360): onPause
10-20 14:30:22.750: I/MainActivity(10360): onStop
10-20 14:30:22.750: I/MainActivity(10360): onDestroy
10-20 14:30:24.976: I/MainActivity(10360): onCreate()
10-20 14:30:24.976: I/MainActivity(10360): onStart
10-20 14:30:24.976: I/MainActivity(10360): onResume