StupidBeauty
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转载 onWindowFocusChanged 重要作用

onWindowFocusChanged(boolean focused)是Activity的一个方法,可在自己实现的Activity子类中覆盖这个方法,以实现某些当活动刚刚变为可见时便立即要执行的动作。它有一个参数,表示当前活动是不是获取到了焦点。

http://www.cnblogs.com/lijunamneg/archive/2013/01/19/2867532.html

亮点

相关执行打印 :
1: entry: onStart---->onResume---->onAttachedToWindow----------->onWindowVisibilityChanged--visibility=0---------->onWindowFocusChanged(true)------->

2. exit:  onPause---->onStop---->onWindowFocusChanged(false)  ---------------------- (lockscreen)

3. exit : onPause----->onWindowFocusChanged(false)-------->onWindowVisibilityChanged--visibility=8------------>onStop(to another activity)

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