Added in API level 28
  
  
  
  
View.OnUnhandledKeyEventListener
  public
  static
  
  
  interface
  View.OnUnhandledKeyEventListener
  
  
  
| android.view.View.OnUnhandledKeyEventListener | 
Interface definition for a callback to be invoked when a hardware key event hasn't been handled by the view hierarchy.
Summary
| Public methods | |
|---|---|
| 
        abstract
        
        
        
        
        boolean | 
      onUnhandledKeyEvent(View v, KeyEvent event)
      Called when a hardware key is dispatched to a view after being unhandled during normal
  | 
Public methods
onUnhandledKeyEvent
    Added in API level 28
  
      
  
    public abstract boolean onUnhandledKeyEvent (View v, KeyEvent event)
Called when a hardware key is dispatched to a view after being unhandled during normal
 KeyEvent dispatch.
| Parameters | |
|---|---|
| v | View: The view the key has been dispatched to. | 
| event | KeyEvent: The KeyEvent object containing information about the event. | 
| Returns | |
|---|---|
| boolean | trueif the listener has consumed the event,falseotherwise. | 
