public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Android.OS.Bundle savedInstanceState)
{
HasOptionsMenu = true;
var ignored = base.OnCreateView(inflater, container, savedInstanceState);
var view = inflater.Inflate(Resource.Layout.NavDrawerFrag, null);
view.FindViewById<Button>(Resource.Id.button).Click += (sender, args) =>
{
var popUp = new Android.Support.V7.Widget.PopupMenu(Activity, (Button) sender);
popUp.Inflate(Resource.Menu.main_menu);
popUp.Show();
};
view.FindViewById<TextView>(Resource.Id.main_text).Text = "This is BROWSE FRAGMENT";
return view;
}