async void BeginDownloadingImage(VehicleForDownloadWithImage dv, NSIndexPath path)
{
// Queue the image to be downloaded. This task will execute
// as soon as the existing ones have finished.
byte[] data = null;
data = await GetImageData(dv);
if (data != null)
{
dv.image = UIImage.LoadFromData(NSData.FromArray(data));
}
else
{
dv.image = placeHolder;
}
InvokeOnMainThread(() => {
var cell = controller.tvDownload.VisibleCells.Where(c => c.Tag == controller.listOfVehicles.IndexOf(dv)).FirstOrDefault();
if (cell != null)
{
cell.ImageView.Image = dv.image;
}
});
}
async Task <byte[]> GetImageData(VehicleForDownloadWithImage dv)
{
byte[] data = null;
try {
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;
using (var c = new GzipWebClient())
data = await c.DownloadDataTaskAsync(dv.vehicle.thumbURL);
}
catch
{
return(null);
}
finally {
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
}
return(data);
}
public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
{
ChangeVehicleCell cell = tableView.DequeueReusableCell(kCellIdentifier) as ChangeVehicleCell;
if (cell == null)
{
var views = NSBundle.MainBundle.LoadNib("ChangeVehicleCell", tableView, null);
cell = Runtime.GetNSObject(views.ValueAt(0)) as ChangeVehicleCell;
//cell.Layer.CornerRadius = 7.5f;
cell.Layer.BorderColor = UIColor.White.CGColor;
cell.Layer.BorderWidth = 0.5f;
}
cell.Tag = indexPath.Row;
VehicleForDownloadWithImage dv = list [indexPath.Row];
string imagePath = dv.vehicle.thumbURL;
string YearMakeModel = dv.vehicle.Year + " " + dv.vehicle.Make + " " + dv.vehicle.Model;
string Price = dv.vehicle.Price.ToString("C0").ToNullableString(string.Empty);
cell.UpdateCell(YearMakeModel, dv.vehicle.StockNumber, dv.vehicle.VIN, Price);
if (dv.image == null)
{
dv.image = placeHolder;
if (!string.IsNullOrWhiteSpace(imagePath))
{
BeginDownloadingImage(dv, indexPath);
}
}
cell.ImageView.Image = dv.image;
if (controller.selectedVehicleIds.Contains(dv.vehicle.BoostVehicleID))
{
cell.Accessory = UITableViewCellAccessory.Checkmark;
}
else
{
cell.Accessory = UITableViewCellAccessory.None;
}
return(cell);
}