android.view.ViewTreeObserver.OnPreDrawListener |
Known Indirect Subclasses |
Interface definition for a callback to be invoked when the view tree is about to be drawn.
Public Methods | |||||||||||
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Callback method to be invoked when the view tree is about to be drawn.
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Callback method to be invoked when the view tree is about to be drawn. At this point, all views in the tree have been measured and given a frame. Clients can use this to adjust their scroll bounds or even to request a new layout before drawing occurs.