Added in API level 1
  
  
  
  
Summary:
  Methods
  
ViewGroup.OnHierarchyChangeListener
  public
  static
  
  
  interface
  ViewGroup.OnHierarchyChangeListener
  
  
  
| android.view.ViewGroup.OnHierarchyChangeListener | 
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
  
      
  
    public abstract 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
  
      
  
    public abstract 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 | 
