protected override BrowserViewController CreateBrowserViewController()
{
var photos = new List<Photo>(_images.Count);
foreach (var img in _images)
{
var photo = new Photo(UIImage.FromFile(img.Path)) { Icon = img.Icon };
if (img.Icon)
photo.CornerRadius = 80f;
if (img.Category != null)
photo.Caption = img.Category;
photos.Add(photo);
}
return new LocalBrowserViewController(photos, _images);
}
private void LoadImages()
{
if (_state != State.Waiting)
return;
_state = State.Loading;
var hud = new RedPlum.MBProgressHUD(View.Frame)
{
Mode = RedPlum.MBProgressHUDMode.Indeterminate,
TitleText = "Loading...",
TitleFont = UIFont.BoldSystemFontOfSize(14f)
};
this.View.AddSubview(hud);
hud.Show(false);
//Do the loading
ThreadPool.QueueUserWorkItem(delegate {
try
{
_icons = RequestFactory.GetIcons();
_loadedImages = new List<Photo>();
_icons.ForEach(x => {
var photo = new Photo(new NSUrl(x.FullUrl)) { Caption = x.App, Icon = true, CornerRadius = 512f * (10f / 57f) };
_loadedImages.Add(photo);
});
BeginInvokeOnMainThread(() => {
_state = State.Loaded;
hud.Hide(true);
hud.RemoveFromSuperview();
CollectionView.ReloadData();
});
}
catch (Exception e)
{
BeginInvokeOnMainThread(() => {
_state = State.Waiting;
hud.Hide(true);
hud.RemoveFromSuperview();
var alert = new UIAlertView {Message = e.Message, Title = "Error"};
alert.CancelButtonIndex = alert.AddButton("Ok");
alert.Show();
});
}
});
}