| android.view.ViewTreeObserver.OnWindowFocusChangeListener |
Interface definition for a callback to be invoked when the view hierarchy's window focus state changes.
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Callback method to be invoked when the window focus changes in the view tree.
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Callback method to be invoked when the window focus changes in the view tree.
| hasFocus | Set to true if the window is gaining focus, false if it is losing focus. |
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