public override QRType HandleQRCode(MediaQRContent mediaQRContent)
{
if (mediaQRContent != null) {
try {
NSUrl param = new NSUrl (mediaQRContent.Text);
UIApplication.SharedApplication.InvokeOnMainThread (delegate {
// UIApplication.SharedApplication.OpenUrl method must be called from UI main thread [AMOB-14]
switch (mediaQRContent.QRType) {
case QRType.EMAIL_ADDRESS:
SystemLogger.Log (SystemLogger.Module.PLATFORM, "HandleQRCode - EMAIL_ADDRESS type");
if ((UIApplication.SharedApplication.CanOpenUrl (param)) && (MFMailComposeViewController.CanSendMail)) {
UIApplication.SharedApplication.OpenUrl (param);
} else {
StartNotifyAlert ("Mail Alert", "Sending of mail messages is not enabled or supported on this device.", "OK");
}
break;
case QRType.TEL:
SystemLogger.Log (SystemLogger.Module.PLATFORM, "HandleQRCode - TEL type");
if (UIApplication.SharedApplication.CanOpenUrl (param)) {
UIApplication.SharedApplication.OpenUrl (param);
} else {
StartNotifyAlert ("Phone Alert", "Establishing voice calls is not enabled or supported on this device.", "OK");
}
break;
case QRType.URI:
SystemLogger.Log (SystemLogger.Module.PLATFORM, "HandleQRCode - URI type");
if (UIApplication.SharedApplication.CanOpenUrl (param)) {
UIApplication.SharedApplication.OpenUrl (param);
} else {
StartNotifyAlert ("Browser Alert", "The requested URL could not be automatically opened.", "OK");
}
break;
default:
SystemLogger.Log (SystemLogger.Module.PLATFORM, "HandleQRCode - not maanged type");
StartNotifyAlert ("QR Alert", "The QR Code " + mediaQRContent.QRType.ToString() + " cannot be processed automatically.", "OK");
break;
}
});
} catch (Exception ex) {
SystemLogger.Log (SystemLogger.Module.PLATFORM, "HandleQRCode - exception: " + ex.Message);
StartNotifyAlert ("QR Alert", "The QR Code cannot be handled due to an unhandled exception (see log).", "OK");
}
return mediaQRContent.QRType;
}
return QRType.TEXT;
}
public override void DetectQRCode(bool autoHandleQR)
{
UIApplication.SharedApplication.InvokeOnMainThread (delegate {
UIViewController viewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
MobileBarcodeScanner scanner = new MobileBarcodeScanner(viewController);
scanner.Scan().ContinueWith(t => {
MediaQRContent resultQRContent = null;
if (t.Result != null){
resultQRContent = new MediaQRContent(t.Result.Text, ZxingToBarcode(t.Result.BarcodeFormat), getQRTypeFromCode(t.Result));
//SystemLogger.Log(SystemLogger.Module.PLATFORM, "QR CODE returnValue: " + resultQRContent);
}
UIApplication.SharedApplication.InvokeOnMainThread (delegate {
FireUnityJavascriptEvent(viewController, "Appverse.Scanner.onQRCodeDetected", resultQRContent);
if(autoHandleQR) HandleQRCode(resultQRContent);
});
});
// TODO: check how to do this
//IPhoneServiceLocator.CurrentDelegate.SetMainUIViewControllerAsTopController(false);
});
}
private void AnalyzeImage(Bitmap bitmap, TimeSpan time)
{
if (!_qrDetectionModeEnabled) return;
var result = _barcodeReader.Decode(bitmap.Buffers[0].Buffer.ToArray(),
(int)bitmap.Buffers[0].Pitch,
(int)bitmap.Dimensions.Height,
RGBLuminanceSource.BitmapFormat.Gray8);
Dispatcher.RunAsync(CoreDispatcherPriority.High, () =>
{
if (result == null)
{
if (_scannerAutoFocus != null) _scannerAutoFocus.BarcodeFound = false;
}
else
{
if (_scannerAutoFocus != null)
{
_cameraCapture.Failed -= CameraCaptureOnFailed;
_cameraCapture.ClearEffectsAsync(MediaStreamType.VideoPreview);
_scannerAutoFocus.BarcodeFound = true;
}
var returnQR = new MediaQRContent(result.Text,
WindowsPhoneUtils.ZxingToBarcode(result.BarcodeFormat),
WindowsPhoneUtils.GetQRTypeFromCode(result));
_oReturnObject = new MainPageTransferObject { CallbackName = "Appverse.Scanner.onQRCodeDetected", JSONContent = JsonConvert.SerializeObject(returnQR) };
if (_qrAutoHandleQrCode)
{
var launchUri = Uri.IsWellFormedUriString(returnQR.Text, UriKind.RelativeOrAbsolute)
? new Uri(returnQR.Text)
: null;
var ignore = Launcher.LaunchUriAsync(launchUri).AsTask().Result;
}
_cameraCapture.ClearEffectsAsync(MediaStreamType.VideoPreview);
HideCameraView();
}
});
}
public abstract QRType HandleQRCode(MediaQRContent mediaQRContent);
public abstract Task GenerateQRCode(MediaQRContent content);
public abstract Task<QRType> HandleQRCode(MediaQRContent mediaQRContent);
public abstract void GenerateQRCode (MediaQRContent content);
public abstract QRType HandleQRCode (MediaQRContent mediaQRContent);
