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diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Bugzilla32148.cs b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Bugzilla32148.cs
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+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Bugzilla32148.cs
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+´╗┐using System;
+
+using Xamarin.Forms.CustomAttributes;
+using System.Linq.Expressions;
+using System.Threading.Tasks;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Collections.Generic;
+
+#if UITEST
+using Xamarin.UITest;
+using NUnit.Framework;
+#endif
+
+namespace Xamarin.Forms.Controls
+{
+ [Preserve (AllMembers = true)]
+ [Issue (IssueTracker.Bugzilla, 32148, " Pull to refresh hides the first item on a list view")]
+ public class Bugzilla32148 : TestContentPage // or TestMasterDetailPage, etc ...
+ {
+ Button _searchBtn;
+ ListView _contactsListView;
+ ObservableCollection<Grouping1<string, ContactViewModel1>> _listViewItemSource;
+
+ protected override void Init ()
+ {
+ Title = "Contacts";
+ Content = CreateContent();
+ // Disable the await warning
+ #pragma warning disable 4014
+ LoadContactsAsync();
+ #pragma warning restore 4014
+ }
+
+ Layout CreateContent()
+ {
+ _listViewItemSource = new ObservableCollection<Grouping1<string, ContactViewModel1>>();
+
+ _contactsListView = new ListView()
+ {
+ ItemsSource = _listViewItemSource,
+ IsPullToRefreshEnabled = true,
+ IsGroupingEnabled = true,
+ GroupShortNameBinding = new Binding("Key"),
+ GroupHeaderTemplate = new DataTemplate(typeof(HeaderCell)),
+ HasUnevenRows = true,
+ ItemTemplate = new DataTemplate(typeof(ContactItemTemplate))
+ };
+
+ _contactsListView.Refreshing += contactsListView_Refreshing;
+ _searchBtn = new Button() { Text = "Search" };
+ _searchBtn.Clicked += (object sender, EventArgs e) => _contactsListView.BeginRefresh ();
+
+ Grid grd = new Grid ();
+ grd.RowDefinitions.Add (new RowDefinition () { Height = GridLength.Auto } );
+ grd.RowDefinitions.Add (new RowDefinition ());
+ grd.Children.Add (_searchBtn);
+ grd.Children.Add (_contactsListView);
+ Grid.SetRow (_contactsListView, 1);
+ return grd;
+ }
+
+ async void contactsListView_Refreshing(object sender, EventArgs e)
+ {
+ await Task.Delay (1000);
+ await LoadContactsAsync(true);
+ }
+
+ async Task LoadContactsAsync(bool isPullToRefresh = false)
+ {
+ await ReadFromDbAsync();
+ _contactsListView.IsRefreshing &= !isPullToRefresh;
+ }
+
+ async Task ReadFromDbAsync(Expression<Func<Contact1, bool>> searchExpression = null)
+ {
+ await Task.Run(() =>
+ {
+ Device.BeginInvokeOnMainThread(() =>
+ {
+ // If we want to filter the data, GetItems by expression
+ IList<Contact1> contactEntities = new List<Contact1>();
+ List<ContactViewModel1> data = new List<ContactViewModel1>();
+
+ if (contactEntities == null || contactEntities.Count == 0)
+ {
+ // Fill with dummy contacts
+ for (int i = 0; i < 20; i++)
+ {
+ Contact1 contact = new Contact1()
+ {
+ FirstName = "Contact" + i,
+ LastName = "LastName",
+ Company = "Company" + i
+ } ;
+ contactEntities.Add(contact);
+ }
+ }
+
+ // Create Contact items for the listView
+ foreach (Contact1 contact in contactEntities)
+ {
+ ContactViewModel1 contactItem = new ContactViewModel1()
+ {
+ FirstName = contact.FirstName,
+ LastName = contact.LastName,
+ FullName = contact.FirstName + " " + contact.LastName,
+ Company = contact.Company,
+ } ;
+
+ data.Add(contactItem);
+ }
+
+ // Sort, order and group the contacts
+ var contacts = from contact in data
+ orderby contact.LastName, contact.FirstName
+ group contact by contact.FirstNameSort into contactGroup
+ select new Grouping1<string, ContactViewModel1>(contactGroup.Key, contactGroup);
+
+ // Create a new collection of groups
+ var grouppedContacts = new ObservableCollection<Grouping1<string, ContactViewModel1>>(contacts);
+
+ _contactsListView.ItemsSource = grouppedContacts;
+ } );
+ } );
+ }
+
+ public class Grouping1<K, T> : ObservableCollection<T>
+ {
+ public K Key { get; private set; }
+
+ public Grouping1(K key, IEnumerable<T> items)
+ {
+ Key = key;
+ foreach (T item in items)
+ {
+ Items.Add(item);
+ }
+ }
+ }
+
+ [Preserve (AllMembers = true)]
+ public class ContactViewModel1
+ {
+ public string FirstName { get; set; }
+ public string LastName { get; set; }
+ public string FullName { get; set; }
+ public string Company { get; set; }
+ public ImageSource IconSource { get; set; }
+
+ public string FirstNameSort
+ {
+ get
+ {
+ if (string.IsNullOrWhiteSpace(FirstName) || FirstName.Length == 0)
+ {
+ return "?";
+ }
+
+ return FirstName[0].ToString().ToUpper();
+ }
+ }
+ }
+
+ [Preserve (AllMembers = true)]
+ public class Contact1
+ {
+ public string FirstName { get; set; }
+ public string LastName { get; set; }
+ public string Company { get; set; }
+ public byte[] ProfilePicture { get; set; }
+ public string Email { get; set; }
+ public string Mobile { get; set; }
+ public string RoomNumber { get; set; }
+ public string Street { get; set; }
+ public string Zip { get; set; }
+ public string City { get; set; }
+ public string CountryCode { get; set; }
+ }
+
+ [Preserve (AllMembers = true)]
+ public class HeaderCell : ViewCell
+ {
+ public HeaderCell()
+ {
+ Height = 23;
+
+ Label title = new Label
+ {
+ TextColor = Color.White,
+ VerticalOptions = LayoutOptions.Center
+ } ;
+
+ title.SetBinding(Label.TextProperty, "Key");
+
+ View = new StackLayout
+ {
+ HorizontalOptions = LayoutOptions.FillAndExpand,
+ HeightRequest = 23,
+ BackgroundColor = Color.Pink,
+ Orientation = StackOrientation.Horizontal,
+ Padding = new Thickness(Sizes.GroupingSidePadding, 0, 0, 0),
+ Children = { title }
+ };
+ }
+
+ struct Sizes
+ {
+ public static readonly double GroupingSidePadding = 5;
+ }
+ }
+
+ [Preserve (AllMembers = true)]
+ public class ContactItemTemplate : ImageCell
+ {
+ public ContactItemTemplate()
+ : base()
+ {
+
+ SetBinding(TextProperty, new Binding("FullName"));
+ SetBinding(DetailProperty, new Binding("Company"));
+ SetBinding(ImageSourceProperty, new Binding("IconSource"));
+
+ Height = 50;
+ }
+ }
+
+ #if UITEST
+ [Test]
+ public void Bugzilla32148Test ()
+ {
+ RunningApp.WaitForElement (q => q.Marked ("Contact0 LastName"));
+ RunningApp.Tap (q => q.Marked("Search"));
+ RunningApp.WaitForElement (q => q.Marked ("Contact0 LastName"));
+ RunningApp.Screenshot ("For manual review, is the first cell visible?");
+ }
+ #endif
+ }
+
+}