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);
}