public
static
interface
ViewTreeObserver.OnWindowFocusChangeListener
android.view.ViewTreeObserver.OnWindowFocusChangeListener
Interface definition for a callback to be invoked when the view hierarchy's window focus state changes.
Summary
Public methods | |
|---|---|
abstract
void
|
onWindowFocusChanged(boolean hasFocus)
Callback method to be invoked when the window focus changes in the view tree. |
Public methods
onWindowFocusChanged
public abstract void onWindowFocusChanged (boolean hasFocus)
Callback method to be invoked when the window focus changes in the view tree.
| Parameters | |
|---|---|
hasFocus |
boolean: Set to true if the window is gaining focus, false if it is
losing focus. |