KeyEvent.ICallback.OnKeyDown(Keycode, KeyEvent) Method
Definition
Important
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Called when a key down event has occurred.
[Android.Runtime.Register("onKeyDown", "(ILandroid/view/KeyEvent;)Z", "GetOnKeyDown_ILandroid_view_KeyEvent_Handler:Android.Views.KeyEvent/ICallbackInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")]
public bool OnKeyDown (Android.Views.Keycode keyCode, Android.Views.KeyEvent e);[<Android.Runtime.Register("onKeyDown", "(ILandroid/view/KeyEvent;)Z", "GetOnKeyDown_ILandroid_view_KeyEvent_Handler:Android.Views.KeyEvent/ICallbackInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")>]
abstract member OnKeyDown : Android.Views.Keycode * Android.Views.KeyEvent -> boolParameters
- keyCode
- Keycode
The value in event.getKeyCode().
- e
- KeyEvent
Description of the key event.
Returns
If you handled the event, return true. If you want to allow the event to be handled by the next receiver, return false.
- Attributes
Remarks
Called when a key down event has occurred. If you return true, you can first call KeyEvent#startTracking() KeyEvent.startTracking() to have the framework track the event through its #onKeyUp(int, KeyEvent) and also call your #onKeyLongPress(int, KeyEvent) if it occurs.
Java documentation for android.view.KeyEvent.Callback.onKeyDown(int, android.view.KeyEvent).
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.