/// <summary>
/// Displays the items from the contact store in the contacts view.
/// </summary>
/// <param name="reader">Contact store reader</param>
/// <param name="isGroup">
/// Boolean to decide if to show the list in a group or a flat list
/// Groups is shown by default and search
/// Flast list is shown during search
/// </param>
private async Task DisplayContactsFromReaderAsync(ContactReader reader, bool isGroup)
{
contactItems.Clear();
ContactBatch contactBatch = await reader.ReadBatchAsync();
if (contactBatch.Contacts.Count == 0)
{
Debug.WriteLine("Contact store empty");
ContactsStatusText = "We couldn't find any contacts.";
ShowContactListStatusText();
return;
}
while (contactBatch.Contacts.Count != 0)
{
//should batch add to avoid triggering callbacks
foreach (Contact c in contactBatch.Contacts)
{
ContactItem contactToAdd = new ContactItem(c.Id, c.DisplayName);
contactToAdd.SetImageAsync(c.Thumbnail);
contactItems.Add(contactToAdd);
}
contactBatch = await reader.ReadBatchAsync();
}
if (isGroup)
{
GroupsOfContacts = alphaGroupSorting(contactItems);
ShowContactGroup();
}
else
{
ListOfContacts = contactItems;
ShowContactList();
}
return;
}
