public async override void ViewDidLoad()
{
this.InitLeftButton();
CollectionView.BackgroundColor = UIColor.White;
try {
CollectionView.RegisterClassForCell(typeof(TagCell), new NSString("tagcell"));
CollectionView.Delegate = new ViewDelegate(this);
var response = await ServiceProxy.GetAllTagsByPopularity(page, 100);
_tags = response.items;
_hasMoreData = response.has_more;
CollectionView.ReloadData();
}
catch (Exception ex) {
this.UnhandledError(ex);
}
}
public async override void Scrolled(UIScrollView scrollView)
{
if (scrollView.Dragging && _c._hasMoreData)
{
float threshold = scrollView.ContentSize.Height - scrollView.Bounds.Height;
if (scrollView.ContentOffset.Y > threshold - 160 && !_c._pagingActionInProgress)
{
Console.WriteLine("starting infinite loading");
_c._pagingActionInProgress = true;
BaseResponse <Tag> response = null;
try {
response = await ServiceProxy.GetAllTagsByPopularity(_c.page + 1, 100);
}
catch (Exception ex) {
Console.WriteLine(ex);
NSTimer.CreateScheduledTimer(0.6f, delegate {
_c._pagingActionInProgress = false;
});
return;
}
_c.page++;
_c._hasMoreData = response.has_more;
int currentCount = _c._tags.Count;
_c._tags.AddRange(response.items);
_c.CollectionView.PerformBatchUpdates(delegate {
var indexPaths = Enumerable.Range(currentCount, response.items.Count).Select(r => NSIndexPath.FromItemSection(r, 0));
_c.CollectionView.InsertItems(indexPaths.ToArray());
}, null);
NSTimer.CreateScheduledTimer(0.6f, delegate {
_c._pagingActionInProgress = false;
});
}
}
}
public void GetTags()
{
var tags = ServiceProxy.GetAllTagsByPopularity(1, "man").Result;
Assert.IsNotEmpty(tags.items);
}
