protected override void OnCreate(Bundle savedInstance) { base.OnCreate(savedInstance); var window = GetWindow(); window.AddFlags(IWindowManager_LayoutParams.FLAG_SHOW_WHEN_LOCKED | IWindowManager_LayoutParams.FLAG_TURN_SCREEN_ON | IWindowManager_LayoutParams.FLAG_DISMISS_KEYGUARD); SetContentView(R.Layouts.MainLayout); var handler = new Handler(); handler.PostDelayed(this, 200); }