private async void DataGetter() { Activ.IsRunning = true; if (CrossConnectivity.Current.IsConnected) { TubeServices ser = new TubeServices(); var items = await ser.AllSubItemsPage(ID); if (items.Count == 0) { StkMain.IsVisible = false; StkError.IsVisible = true; LblError.Text = Resource.NoBuildings; } else { list.FlowItemsSource = items; } } else { StkMain.IsVisible = false; StkError.IsVisible = true; LblError.Text = Resource.ErrorMessage; } Activ.IsRunning = false; }