Xamarin设置无标题或者不显示标题栏

protected override void OnCreate(Bundle savedInstanceState)
{
RequestWindowFeature(WindowFeatures.NoTitle);//设置无标题
Window.SetFlags(WindowManagerFlags.Fullscreen, WindowManagerFlags.Fullscreen);//设置全
屏
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.Login);
}