07-24 08:51:42.669: I/System.out(18936): ------ TestActivity onPause------
07-24 08:51:42.689: I/System.out(18936): ------ TestActivity onSaveInstanceState------
07-24 08:51:42.699: I/System.out(18936): ------ TestActivity onStop------
07-24 08:51:42.729: I/System.out(18936): ------ TestActivity onDestroy------
07-24 08:51:42.759: D/memalloc(18936): /dev/pmem: Unmapping buffer base:0x5c8c5000 size:4608000 offset:3072000
07-24 08:51:42.759: D/memalloc(18936): /dev/pmem: Unmapping buffer base:0x5cd2a000 size:10797056 offset:9261056
07-24 08:51:42.789: I/System.out(18936): ------ TestActivity onCreate------
07-24 08:51:42.859: I/System.out(18936): ------ TestActivity onStart------
07-24 08:51:42.859: I/System.out(18936): ------ TestActivity onRestoreInstanceState------
07-24 08:51:42.879: I/System.out(18936): ------ TestActivity onResume------
2)配置android:configChanges="orientation|keyboardHidden" （4.0以前）
a.正常情况下：
07-24 08:54:05.059: I/System.out(18936): ------ TestActivity onCreate------
07-24 08:54:05.199: I/System.out(18936): ------ TestActivity onStart------
07-24 08:54:05.219: I/System.out(18936): ------ TestActivity onResume------
b.切换横屏情况下：
07-24 08:54:25.909: I/System.out(18936): ------ TestActivity onPause------
07-24 08:54:25.919: I/System.out(18936): ------ TestActivity onSaveInstanceState------
07-24 08:54:25.929: I/System.out(18936): ------ TestActivity onStop------
07-24 08:54:25.949: I/System.out(18936): ------ TestActivity onDestroy------
07-24 08:54:25.979: D/memalloc(18936): /dev/pmem: Unmapping buffer base:0x5c7c5000 size:19603456 offset:18067456
07-24 08:54:25.979: D/memalloc(18936): /dev/pmem: Unmapping buffer base:0x5da77000 size:4608000 offset:3072000
07-24 08:54:26.019: I/System.out(18936): ------ TestActivity onCreate------
07-24 08:54:26.069: I/System.out(18936): ------ TestActivity onStart------
07-24 08:54:26.079: I/System.out(18936): ------ TestActivity onRestoreInstanceState------
07-24 08:54:26.079: I/System.out(18936): ------ TestActivity onResume------
c.再切换回竖屏的情况下：
07-24 08:55:02.099: I/System.out(18936): ------ TestActivity onPause------
07-24 08:55:02.109: I/System.out(18936): ------ TestActivity onSaveInstanceState------
07-24 08:55:02.119: I/System.out(18936): ------ TestActivity onStop------
07-24 08:55:02.129: I/System.out(18936): ------ TestActivity onDestroy------
07-24 08:55:02.139: D/memalloc(18936): /dev/pmem: Unmapping buffer base:0x5c7c5000 size:4608000 offset:3072000
07-24 08:55:02.139: D/memalloc(18936): /dev/pmem: Unmapping buffer base:0x5cc30000 size:9216000 offset:7680000
07-24 08:55:02.179: I/System.out(18936): ------ TestActivity onCreate------
07-24 08:55:02.249: I/System.out(18936): ------ TestActivity onStart------
07-24 08:55:02.289: I/System.out(18936): ------ TestActivity onRestoreInstanceState------
07-24 08:55:02.309: I/System.out(18936): ------ TestActivity onResume------
发觉上面的结果是跟网上的朋友说的不是一样的，原来是有区别的。
到后来去网上搜索了一下资料发觉，到了。4.0以后。要加上这样的配置才会使Activity的生命周期不会重新被调用
3)配置android:configChanges="keyboardHidden|orientation|screenSize" （4.0以后）
a.正常情况下：
07-24 08:54:05.059: I/System.out(18936): ------ TestActivity onCreate------
07-24 08:54:05.199: I/System.out(18936): ------ TestActivity onStart------
07-24 08:54:05.219: I/System.out(18936): ------ TestActivity onResume------
b.切换横屏情况下：
07-24 09:08:21.639: I/System.out(19533): ------ TestActivity onConfigurationChanged------
c.再切换回竖屏的情况下：
07-24 09:08:21.639: I/System.out(19533): ------ TestActivity onConfigurationChanged-----
总结：要想Activity在横竖屏切换的时候不重新加载生命周期的重要方法，一定要加上配置
4.0之前
<activity .....
android:configChanges="orientation|keyboardHidden"
>
4.0之后
<activity .....
android:configChanges="keyboardHidden|orientation|screenSize"
>
------------------------------------------------------常用设置---------------------------------------------------------
1.如果你的app指定要横屏显示的话
<activity .....
android:screenOrientation="portrait"
>
2.如果你的app指定要竖屏显示的话
<activity .....
android:screenOrientation="landscape"
>
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