Added in API level 1
Summary:
Methods
ViewTreeObserver.OnGlobalFocusChangeListener
public
static
interface
ViewTreeObserver.OnGlobalFocusChangeListener
| android.view.ViewTreeObserver.OnGlobalFocusChangeListener |
Interface definition for a callback to be invoked when the focus state within the view tree changes.
Summary
Public methods | |
|---|---|
abstract
void
|
onGlobalFocusChanged(View oldFocus, View newFocus)
Callback method to be invoked when the focus changes in the view tree. |
Public methods
onGlobalFocusChanged
Added in API level 1
public abstract void onGlobalFocusChanged (View oldFocus, View newFocus)
Callback method to be invoked when the focus changes in the view tree. When the view tree transitions from touch mode to non-touch mode, oldFocus is null. When the view tree transitions from non-touch mode to touch mode, newFocus is null. When focus changes in non-touch mode (without transition from or to touch mode) either oldFocus or newFocus can be null.
| Parameters | |
|---|---|
oldFocus |
View: The previously focused view, if any. |
newFocus |
View: The newly focused View, if any. |