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建议去除onSaveInstanceXXX() onStop() onPause()调用顺序的对比 #111

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建议去除onSaveInstanceXXX() onStop() onPause()调用顺序的对比 #111

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3 changes: 0 additions & 3 deletions Part1/Android/Android基础知识.md
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Expand Up @@ -135,9 +135,6 @@ Activity的堆栈管理以ActivityRecord为单位,所有的ActivityRecord都放

3.由于onSaveInstanceState()方法调用的不确定性，你应该只使用这个方法去记录activity的瞬间状态（UI的状态）。不应该用这个方法去存储持久化数据。当用户离开这个activity的时候应该在onPause()方法中存储持久化数据（例如应该被存储到数据库中的数据）。

4.onSaveInstanceState()如果被调用，这个方法会在onStop()前被触发，但系统并不保证是否在onPause()之前或者之后触发。


二、onRestoreInstanceState (Bundle outState)

至于onRestoreInstanceState方法，需要注意的是，onSaveInstanceState方法和onRestoreInstanceState方法“不一定”是成对的被调用的，（本人注：我昨晚调试时就发现原来不一定成对被调用的！）
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