public void converData(ObservableCollection <EventsHBTwo> allItem) { AllItems = new ObservableCollection <EventsHB>(); EventsHB julyGroup = new EventsHB() { month = "July" }; EventsHB juneGroup = new EventsHB() { month = "June" }; foreach (var item in allItem) { EventsHBTwo hb = item; if (hb.month == "July") { julyGroup.Add(hb.eventTO); } else if (hb.month == "June") { juneGroup.Add(hb.eventTO); } } //at last, add them to All items. AllItems.Add(julyGroup); AllItems.Add(juneGroup); }
public MyEvents() { InitializeComponent(); mevm = new MyEventsViewmodel(); BindingContext = mevm; Upcoming_label.GestureRecognizers.Add(new TapGestureRecognizer() { Command = new Command(() => { MyEventsListview.ScrollTo(((IList)MyEventsListview.ItemsSource)[0], ScrollToPosition.Start, false); Upcoming_layout.BackgroundColor = Color.FromHex("#0091da"); All_layout.BackgroundColor = Color.FromHex("#FFFFFF"); Upcoming_label.TextColor = Color.FromHex("FFFFFF"); allevents_label.TextColor = Color.FromHex("aee4ff"); mevm.eventType = "upcoming"; mevm.i = 1; mevm.haveItemsToLoad = true; Utility.showloading = true; events_layout.RaiseChild(Upcoming_layout); mevm.MyEventsList(); }) }); allevents_label.GestureRecognizers.Add(new TapGestureRecognizer() { Command = new Command(() => { MyEventsListview.ScrollTo(((IList)MyEventsListview.ItemsSource)[0], ScrollToPosition.Start, false); Upcoming_layout.BackgroundColor = Color.FromHex("#FFFFFF"); All_layout.BackgroundColor = Color.FromHex("#0091da"); Upcoming_label.TextColor = Color.FromHex("aee4ff"); allevents_label.TextColor = Color.FromHex("FFFFFF"); mevm.eventType = "all"; mevm.i = 1; mevm.haveItemsToLoad = true; Utility.showloading = true; events_layout.RaiseChild(All_layout); mevm.MyEventsList(); }) }); MyEventsListview.ItemAppearing += (sender, e) => { if (mevm.isLoading || mevm.AllItems != null && mevm.AllItems.Count == 0) { return; } //hit bottom if (mevm.AllItems != null && mevm.AllItems.Count > 0) { try { EventsHB item = mevm.AllItems[mevm.AllItems.Count - 1]; if ((e.Item as EventsHB).eventTO.calendarEventId.ToString() == item.eventTO.calendarEventId.ToString()) { mevm.loadMore = true; if (mevm.haveItemsToLoad) { Debug.WriteLine("Enter bottom"); mevm.i = mevm.i + 1; Utility.showloading = false; mevm.LoadMoreCommand.Execute(null); } } } catch (Exception ex) { System.Diagnostics.Debug.WriteLine("Exception:>" + ex); } } }; }