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似乎当屏幕方向改变时,活动的onCreate()方法被调用。在我的onCreate()方法中,我有一个AlertDialog在调用活动时弹出的内容。问题是当我横向切换屏幕时,再次显示弹出窗口。
onCreate()
AlertDialog
我怎样才能避免这种情况?
修改你AndroidManifest的:
AndroidManifest
android:configChanges="orientation|keyboardHidden"
你Activity应该是这样的:
Activity
<activity android:name=".activities.MyActivity" android:label="@string/my_activity_name" android:configChanges="orientation|keyboardHidden"/>
这将避免onCreate()在方向发生变化时调用。