android.view.ViewTreeObserver.OnGlobalFocusChangeListener |
Known Indirect Subclasses
WebView |
A View that displays web pages. |
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Class Overview
Interface definition for a callback to be invoked when the focus state within
the view tree changes.
Summary
Public Methods |
abstract
void
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onGlobalFocusChanged(View oldFocus, View newFocus)
Callback method to be invoked when the focus changes in the view tree.
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Public Methods
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
| The previously focused view, if any. |
newFocus
| The newly focused View, if any.
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