Added in API level 34
  
  
  
  
ViewTreeObserver.OnWindowVisibilityChangeListener
  public
  static
  
  
  interface
  ViewTreeObserver.OnWindowVisibilityChangeListener
  
  
  
| android.view.ViewTreeObserver.OnWindowVisibilityChangeListener | 
Interface definition for a callback to be invoked when the view hierarchy's window visibility changes.
Summary
Public methods | |
|---|---|
        abstract
        
        
        
        
        void
     | 
  
    
      
      onWindowVisibilityChanged(int visibility)
      
      
        Callback method to be invoked when the window visibility changes in the view tree.  | 
  
Public methods
onWindowVisibilityChanged
    Added in API level 34
  
      
  
    public abstract void onWindowVisibilityChanged (int visibility)
Callback method to be invoked when the window visibility changes in the view tree.
| Parameters | |
|---|---|
visibility | 
        
          int: The new visibility of the window.
 Value is View.VISIBLE, View.INVISIBLE, or View.GONE |