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Added in API level 1

ViewGroup.OnHierarchyChangeListener

public static interface ViewGroup.OnHierarchyChangeListener

android.view.ViewGroup.OnHierarchyChangeListener
Known Indirect Subclasses


Interface definition for a callback to be invoked when the hierarchy within this view changed. The hierarchy changes whenever a child is added to or removed from this view.

Summary

Public methods

abstract void onChildViewAdded(View parent, View child)

Called when a new child is added to a parent view.

abstract void onChildViewRemoved(View parent, View child)

Called when a child is removed from a parent view.

Public methods

onChildViewAdded

Added in API level 1
void onChildViewAdded (View parent, 
                View child)

Called when a new child is added to a parent view.

Parameters
parent View: the view in which a child was added
child View: the new child view added in the hierarchy

onChildViewRemoved

Added in API level 1
void onChildViewRemoved (View parent, 
                View child)

Called when a child is removed from a parent view.

Parameters
parent View: the view from which the child was removed
child View: the child removed from the hierarchy
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