protected override async Task RefreshList()
{
try
{
RaiseStartRefreshList();
Items.Clear();
var list = await FriendsAPI.GetExtendedAsync(
new[] { FriendsAPI.FieldsEnum.photo_50, FriendsAPI.FieldsEnum.online });
if (list == null)
{
return;
}
foreach (var item in list.Items)
{
Items.Add(new VCAListItem <VKFriend>(item));
}
}
catch (NullReferenceException)
{
}
finally
{
RaiseFinishRefreshList();
}
}
protected override async Task <IEnumerable <VKFriend> > RefreshCore()
{
var list = await VKApi.Audio.GetBroadcastListAsync(VKBroadcastFilterEnum.All);
var friendList = await FriendsAPI.GetExtendedAsync(new[] { FriendsAPI.FieldsEnum.photo_50 });
Debug.Assert(list != null);
Debug.Assert(friendList != null);
list.Items.ForEach(b =>
{
var friend = friendList.Items.FirstOrDefault(v => v.Id == b.Id);
if (friend != null)
{
b.Photo50 = friend.Photo50;
}
});
return(list.Items);
}