private void GenerateNewCache(QRCodeItem qrCodeItem)
{
var newCache = new NewItemPageViewModelCache
{
QRCodeItem = qrCodeItem,
CancellationTokenSource = new CancellationTokenSource()
};
_caches.Add(newCache);
var cancellationToken = newCache.CancellationTokenSource.Token;
newCache.Task = Task.Factory.StartNew(async() =>
{
// Cancel when request
await Task.Delay(700);
cancellationToken.ThrowIfCancellationRequested();
// Save file
_fileHelper.SaveByteArray(qrCodeItem.GenerateQRCodeByteArray(), qrCodeItem.Path);
// Cancel when request
await Task.Delay(300);
cancellationToken.ThrowIfCancellationRequested();
// Assign new item
Item = qrCodeItem;
IsBusy = false;
});
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// For example, look for an image and place it into an image view.
// Replace this with something appropriate for the type[s] your extension supports.
bool imageFound = false;
foreach (var item in ExtensionContext.InputItems)
{
foreach (var itemProvider in item.Attachments)
{
var foundType = _acceptedTypes.FirstOrDefault(at => itemProvider.HasItemConformingTo(at));
if (foundType == null)
{
continue;
}
itemProvider.LoadItem(foundType, null, (urlObj, error) =>
{
var url = urlObj.ToString();
Console.WriteLine(url);
if (url.Length > 256)
{
var deepLinkingUrl = string.Format("ShareQR://com.ettech.ShareQR?data={0}", url);
NSOperationQueue.MainQueue.AddOperation(() =>
{
_isOpenedInContainingApp = true;
OpenURL(new NSUrl(deepLinkingUrl));
});
}
else
{
dataLabel.Text = url;
Task.Factory.StartNew(() =>
{
_qrCodeItem = new QRCodeItem(_fileHelper, url);
_qrCodeByteArray = _qrCodeItem.GenerateQRCodeByteArray();
using (var qrCodeByteBuffer = NSData.FromArray(_qrCodeByteArray))
{
var image = UIImage.LoadFromData(qrCodeByteBuffer);
NSOperationQueue.MainQueue.AddOperation(() => imageView.Image = image);
}
});
}
});
imageFound = true;
break;
}
if (imageFound)
{
NSOperationQueue.MainQueue.AddOperation(() => saveButton.Enabled = true);
break;
}
}
}