public override void OnCreateOptionsMenu(Xamarin.ActionbarSherlockBinding.Views.IMenu menu, Xamarin.ActionbarSherlockBinding.Views.MenuInflater inflater)
        {
            inflater.Inflate(Resource.Menu.search_options_menu, menu);

            var search = (SearchView)menu.FindItem(Resource.Id.search).ActionView;

            search.SetQueryHint("Search Favorites");
            search.SetIconifiedByDefault(true);
            search.QueryTextChange += (sender, e) =>
            {
                if (notesAdapter != null)
                {
                    Console.WriteLine(search.Query);
                    notesAdapter.Filter.InvokeFilter(search.Query);
                    ListAdapter = notesAdapter;
                }
            };

            base.OnCreateOptionsMenu(menu, inflater);
        }