Added in API level 1

OnKeyListener

interface OnKeyListener
android.content.DialogInterface.OnKeyListener

Interface definition for a callback to be invoked when a key event is dispatched to this dialog. The callback will be invoked before the key event is given to the dialog.

Summary

Public methods
abstract Boolean
onKey(dialog: DialogInterface!, keyCode: Int, event: KeyEvent!)

Called when a key is dispatched to a dialog.

Public methods

onKey

Added in API level 1
abstract fun onKey(
    dialog: DialogInterface!,
    keyCode: Int,
    event: KeyEvent!
): Boolean

Called when a key is dispatched to a dialog. This allows listeners to get a chance to respond before the dialog.

Parameters
dialog DialogInterface!: the dialog the key has been dispatched to
keyCode Int: the code for the physical key that was pressed
event KeyEvent!: the KeyEvent object containing full information about the event
Return
Boolean true if the listener has consumed the event, false otherwise