public override bool OnCreateOptionsMenu(IMenu menu) { int group = 0; IMenuItem item = menu.Add(group, SYNC_MENU, SYNC_MENU, "Sync"); item.SetIcon(Android.Resource.Drawable.IcMenuRotate); item.SetShowAsAction((int)ShowAsAction.IfRoom); SupportMenuInflater.Inflate(Resource.Menu.search_options_menu, menu); var searchManager = (SearchManager)GetSystemService(Context.SearchService); var search = (SearchView)menu.FindItem(Resource.Id.search).ActionView; var searchableInfo = searchManager.GetSearchableInfo(ComponentName); search.QueryHint = "Search Notes"; search.SetIconifiedByDefault(true); search.QueryTextChange += (sender, e) => { //string val = search.Query.ToString(); //Dictionary<string, int> dict = new Dictionary<string, int>(); //foreach (var n in notesList) //{ // var all = n.NoteBody + " " + n.NoteTitle + " " + n.Scripture + " " + n.Title; // dict.Add(all, n.Id); //} //List<int> ids = new List<int>(); //foreach (var pair in dict) //{ // string value = pair.Value.ToString(); // if (value.IndexOf(val, StringComparison.CurrentCultureIgnoreCase) != -1) // { // ids.Add(int.Parse(pair.Key)); // } //} //FillDataWhileSearching(ids.ToArray()); //FillDataWhileSearching(search.Query.ToString()); if (notesAdapter != null) { Console.WriteLine(search.Query); notesAdapter.Filter.InvokeFilter(search.Query); ListAdapter = notesAdapter; } }; return base.OnCreateOptionsMenu(menu); }