Esempio n. 1
0
        protected async override void OnElementChanged(VisualElementChangedEventArgs e)
        {
            base.OnElementChanged(e);

            var view           = NativeView;
            var viewController = ViewController;

            // Get the device's display for width and height.
            RectangleF screen = UIScreen.MainScreen.Bounds;

            // create top label - "Scan QR code to swap contact info"
            var topLabel = new UILabel(new RectangleF(
                                           0,
                                           0,
                                           screen.Width,
                                           30)
                                       );

            topLabel.Text          = "Scan QR code to swap contact info";
            topLabel.TextAlignment = UITextAlignment.Center;
            topLabel.TextColor     = UIColor.FromRGB(38, 173, 230);
            topLabel.Font          = UIFont.FromName(Fonts.OpenSansBold, 12);

            view.Add(topLabel);

            // create the QR code scanner & add to view
            SIBarcodePicker scanner = new SIBarcodePicker("EeQ6GjLtEeSWsF/zcFfsWC8RqIt/+skbdZJ/MWpLIR8");

            var scannerDelegate = new QrCodeScannerDelegate()
            {
                qrScanner = scanner
            };

            scanner.OverlayController.Delegate = scannerDelegate;

            // disable all codes except QR for scanning
            scanner.Set1DScanningEnabled(false);
            scanner.Set2DScanningEnabled(false);
            scanner.SetCode128Enabled(false);
            scanner.SetCode39Enabled(false);
            scanner.SetCode93Enabled(false);
            scanner.SetDataMatrixEnabled(false);
            scanner.SetEan13AndUpc12Enabled(false);
            scanner.SetEan8Enabled(false);
            scanner.SetItfEnabled(false);
            scanner.SetMicroDataMatrixEnabled(false);
            scanner.SetUpceEnabled(false);
            /* - * - * - * - * - * - * - */
            scanner.SetQrEnabled(true);
            /* - * - * - * - * - * - * - */

            // Set the scanner size
            scanner.Size = new SizeF(
                screen.Size.Width,
                screen.Size.Height * 0.45f
                );
            scanner.View.Bounds = new RectangleF(
                0,
                topLabel.Frame.Height,
                screen.Size.Width,
                screen.Size.Height * 0.45f
                );
            scanner.View.Frame = new RectangleF(
                0,
                topLabel.Frame.Height,
                screen.Size.Width,
                screen.Size.Height * 0.45f
                );

            scanner.OverlayController.SetViewfinderSize(0.5f, 0.5f, 0.5f, 0.5f);
            scanner.OverlayController.SetTorchEnabled(false);

            view.Add(scanner.View);
            scanner.StartScanning();

            /* Creating the lower label - "Share your contact info" */
            var lowerLabel = new UILabel(new RectangleF(
                                             0,
                                             (scanner.View.Frame.Location.Y + scanner.View.Frame.Height),
                                             screen.Width,
                                             20)
                                         );

            lowerLabel.Text          = "Share your contact info";
            lowerLabel.TextAlignment = UITextAlignment.Center;
            lowerLabel.TextColor     = UIColor.FromRGB(38, 173, 230);
            lowerLabel.Font          = UIFont.FromName(Fonts.OpenSansBold, 12);

            view.Add(lowerLabel);
            /* * * * * * * * * * * * * * * * * * * * * * * * * * * */

            /* Generating QR code  */
            var qrWidthHeight = 0;

            if (screen.Height == 480)                   // iPhone 4 & 4S -- shorter screens
            {
                qrWidthHeight = 150;
            }
            else                                                        // iPhone 5, 5C, & 5S -- longer screens
            {
                qrWidthHeight = 175;
            }

            IBarcodeWriter barcodeWriter = new BarcodeWriter
            {
                Format  = BarcodeFormat.QR_CODE,
                Options = new ZXing.Common.EncodingOptions
                {
                    Width  = qrWidthHeight,
                    Height = qrWidthHeight
                }
            };


            // TODO: temp code - move to view model
            var service   = TinyIoC.TinyIoCContainer.Current.Resolve <CouchbaseConnect2014.Services.ICouchbaseService> ();
            var contactId = service.GetUserId();
            var repo      = TinyIoC.TinyIoCContainer.Current.Resolve <CouchbaseConnect2014.Services.IRepository> ();
            var localUser = await repo.GetProfile();

            // end of temp code

            var qrContent = string.Format("{0},{1},{2}", contactId, localUser.First, localUser.Last);

            var result = barcodeWriter.Write(qrContent);

            var qrImageView = new UIImageView(new RectangleF(
                                                  0,
                                                  (lowerLabel.Frame.Location.Y + lowerLabel.Frame.Height),
                                                  result.Size.Width,
                                                  result.Size.Height
                                                  ));

            qrImageView.Image  = result;
            qrImageView.Center = new PointF(
                view.Center.X,
                qrImageView.Center.Y
                );
            /* - * - * - * - * - * - * - */

            view.Add(qrImageView);
        }
		protected async override void OnElementChanged (VisualElementChangedEventArgs e)
		{
			base.OnElementChanged (e);

			var view = NativeView;
			var viewController = ViewController;

			// Get the device's display for width and height.
			RectangleF screen = UIScreen.MainScreen.Bounds;

			// create top label - "Scan QR code to swap contact info"
			var topLabel = new UILabel (new RectangleF (
				0, 
				0, 
				screen.Width, 
				30)
			);
			topLabel.Text = "Scan QR code to swap contact info";
			topLabel.TextAlignment = UITextAlignment.Center;
			topLabel.TextColor = UIColor.FromRGB (38, 173, 230);
			topLabel.Font = UIFont.FromName (Fonts.OpenSansBold, 12);

			view.Add (topLabel);

			// create the QR code scanner & add to view
			SIBarcodePicker scanner = new SIBarcodePicker ("EeQ6GjLtEeSWsF/zcFfsWC8RqIt/+skbdZJ/MWpLIR8");

			var scannerDelegate = new QrCodeScannerDelegate () { qrScanner = scanner };
			scanner.OverlayController.Delegate = scannerDelegate;

			// disable all codes except QR for scanning
			scanner.Set1DScanningEnabled (false);
			scanner.Set2DScanningEnabled (false);
			scanner.SetCode128Enabled (false);
			scanner.SetCode39Enabled (false);
			scanner.SetCode93Enabled (false);
			scanner.SetDataMatrixEnabled (false);
			scanner.SetEan13AndUpc12Enabled (false);
			scanner.SetEan8Enabled (false);
			scanner.SetItfEnabled (false);
			scanner.SetMicroDataMatrixEnabled (false);
			scanner.SetUpceEnabled (false);
			/* - * - * - * - * - * - * - */
			scanner.SetQrEnabled (true);
			/* - * - * - * - * - * - * - */

			// Set the scanner size 
			scanner.Size = new SizeF(
				screen.Size.Width, 
				screen.Size.Height * 0.45f
			);
			scanner.View.Bounds = new RectangleF(
				0, 
				topLabel.Frame.Height, 
				screen.Size.Width, 
				screen.Size.Height * 0.45f
			);
			scanner.View.Frame = new RectangleF(
				0, 
				topLabel.Frame.Height, 
				screen.Size.Width, 
				screen.Size.Height * 0.45f
			);

			scanner.OverlayController.SetViewfinderSize (0.5f, 0.5f, 0.5f, 0.5f);
			scanner.OverlayController.SetTorchEnabled (false);

			view.Add (scanner.View);
			scanner.StartScanning ();

			/* Creating the lower label - "Share your contact info" */
			var lowerLabel = new UILabel (new RectangleF (
				0, 
				(scanner.View.Frame.Location.Y + scanner.View.Frame.Height), 
				screen.Width, 
				20)
			);
			lowerLabel.Text = "Share your contact info";
			lowerLabel.TextAlignment = UITextAlignment.Center;
			lowerLabel.TextColor = UIColor.FromRGB (38, 173, 230);
			lowerLabel.Font = UIFont.FromName (Fonts.OpenSansBold, 12);

			view.Add (lowerLabel);
			/* * * * * * * * * * * * * * * * * * * * * * * * * * * */

			/* Generating QR code  */
			var qrWidthHeight = 0;

			if (screen.Height == 480)	// iPhone 4 & 4S -- shorter screens
				qrWidthHeight = 150;
			else 						// iPhone 5, 5C, & 5S -- longer screens
				qrWidthHeight = 175;

			IBarcodeWriter barcodeWriter = new BarcodeWriter 
			{ 
				Format = BarcodeFormat.QR_CODE,
				Options = new ZXing.Common.EncodingOptions
				{
					Width = qrWidthHeight,
					Height = qrWidthHeight
				}
			};


			// TODO: temp code - move to view model
			var service = TinyIoC.TinyIoCContainer.Current.Resolve<CouchbaseConnect2014.Services.ICouchbaseService> ();
			var contactId = service.GetUserId ();
			var repo = TinyIoC.TinyIoCContainer.Current.Resolve<CouchbaseConnect2014.Services.IRepository> ();
			var localUser = await repo.GetProfile ();
			// end of temp code

			var qrContent = string.Format ("{0},{1},{2}", contactId, localUser.First, localUser.Last);

			var result = barcodeWriter.Write (qrContent);

			var qrImageView = new UIImageView (new RectangleF (
				0, 
				(lowerLabel.Frame.Location.Y + lowerLabel.Frame.Height), 
				result.Size.Width, 
				result.Size.Height
			));
			qrImageView.Image = result;
			qrImageView.Center = new PointF (
				view.Center.X, 
				qrImageView.Center.Y
			);
			/* - * - * - * - * - * - * - */

			view.Add (qrImageView);
		}