Added in API level 28

OnUnhandledKeyEventListener

interface 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

Called when a hardware key is dispatched to a view after being unhandled during normal KeyEvent dispatch.

Public methods

onUnhandledKeyEvent

Added in API level 28
abstract fun onUnhandledKeyEvent(
    v: View!,
    event: KeyEvent!
): Boolean

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.
Return
Boolean true if the listener has consumed the event, false otherwise.