private async Task LoadDataAysnc()
{
indicator.IsActive = true;
await ChannelAPI.GetList(12, channels =>
{
if (channels == null)
{
return;
}
viewModel.Categories.Clear();
if (channels.Recommendation != null)
{
foreach (var item in channels.Recommendation.Children.FlashItems)
{
viewModel.Recommendation.FlashVideos.Add(CopyVideoData(item));
}
foreach (var item in channels.Recommendation.Children.Recommendations)
{
viewModel.Recommendation.Videos.Add(CopyVideoData(item));
}
}
if (channels.Channels != null)
{
foreach (var channel in channels.Channels)
{
Category category = new Category();
category.ChannelId = channel.Id;
category.Name = channel.Name;
if (channel.Children != null)
{
foreach (var videoItem in channel.Children)
{
category.Videos.Add(CopyVideoData(videoItem));
}
}
viewModel.Categories.Add(category);
}
}
// lazy init
//
this.FindName("contentScrollViewer");
indicator.IsActive = false;
this.recommendataion.StartScrollAnimation();
try
{
// update live tile
//
if (viewModel.Recommendation != null
&& viewModel.Recommendation.FlashVideos.Count > 0)
{
var video = viewModel.Recommendation.FlashVideos[(new Random()).Next(0, viewModel.Recommendation.FlashVideos.Count)];
ImageHelper imageHelper = new ImageHelper();
string fileName = MD5Core.GetHashString(video.ImageUrl) + ".jpg";
imageHelper.Download(video.ImageUrl, "Images", fileName, localFile =>
{
LiveTileHelper.UpdateSecondaryTileAsync(
Constants.TileId,
video.Name,
video.Intro,
TimeSpan.FromHours(1),
"ms-appdata:///local/Images/" + fileName);
});
}
}
catch
{ }
}, error =>
{
//indicator.IsActive = false;
var dialog = new MessageDialog(error.Message);
dialog.ShowAsync();
});
}
public MainPageViewModel()
{
recommendation = new Category();
Categories = new ObservableCollection<Category>();
}