/// <summary>
/// Button click event handler that will start the scanning procedure.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="e">E.</param>
void StartScan(object sender, EventArgs e)
{
// license keys must be set before creating Recognizer, othervise InvalidLicenseKeyException will be thrown
// the following code creates and sets up implementation of MrtdRecognizer
mrtdRecognizer = DependencyService.Get <IMrtdRecognizer>(DependencyFetchTarget.NewInstance);
mrtdRecognizer.ReturnFullDocumentImage = true;
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
mrtdSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>(DependencyFetchTarget.NewInstance).CreateSuccessFrameGrabberRecognizer(mrtdRecognizer);
// the following code creates and sets up implementation of UsdlRecognizer
usdlRecognizer = DependencyService.Get <IUsdlRecognizer>(DependencyFetchTarget.NewInstance);
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
usdlSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>(DependencyFetchTarget.NewInstance).CreateSuccessFrameGrabberRecognizer(usdlRecognizer);
// the following code creates and sets up implementation of EudlRecognizer
eudlRecognizer = DependencyService.Get <IEudlRecognizer>(DependencyFetchTarget.NewInstance);
eudlRecognizer.ReturnFaceImage = true;
eudlRecognizer.ReturnFullDocumentImage = true;
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
eudlSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>(DependencyFetchTarget.NewInstance).CreateSuccessFrameGrabberRecognizer(eudlRecognizer);
// first create a recognizer collection from all recognizers that you want to use in recognition
// if some recognizer is wrapped with SuccessFrameGrabberRecognizer, then you should use only the wrapped one
var recognizerCollection = DependencyService.Get <IRecognizerCollectionFactory>().CreateRecognizerCollection(mrtdSuccessFrameGrabberRecognizer, usdlSuccessFrameGrabberRecognizer, eudlSuccessFrameGrabberRecognizer);
// using recognizerCollection, create overlay settings that will define the UI that will be used
// there are several available overlay settings classes in Microblink.Forms.Core.Overlays namespace
// document overlay settings is best for scanning identity documents
var documentOverlaySettings = DependencyService.Get <IDocumentOverlaySettingsFactory>().CreateDocumentOverlaySettings(recognizerCollection);
// start scanning
blinkID.Scan(documentOverlaySettings);
}
public BlinkIDPage()
{
InitializeComponent();
// before obtaining any of the recognizer's implementations from DependencyService, it is required
// to obtain instance of IMicroblinkScanner and set the license key.
// Failure to do so will crash your app.
var microblinkFactory = DependencyService.Get <IMicroblinkScannerFactory>();
// license keys are different for iOS and Android and depend on iOS bundleID/Android application ID
// in your app, you may obtain the correct license key for your platform via DependencyService from
// your Droid/iOS projects
string licenseKey;
// both these license keys are demo license keys for bundleID/applicationID com.microblink.xamarin.blinkid
if (Device.RuntimePlatform == Device.iOS)
{
licenseKey = "sRwAAAEeY29tLm1pY3JvYmxpbmsueGFtYXJpbi5ibGlua2lks3unDF2B9jpa6FeAx5h89osjSFXqQRtWjes0WSEXe3rubgFApHsFdSF2oJZL0MhSL18AgbaLmPiOT3RFu+lqtKtpsjqRfxEVmc9cU98GnjciEeAOC331OUeT5R1p7zKqsenX/3IytQJuMG4ruEaRXc5746y/Kv8ch0XDgv/nRu4siNlvpkjsUjkeyokbUUwi+uzL6t2G4V/sX0SXTMWPjG7zjtW4ovwpGs6fct/dpBJQfzRQNCn9kg==";
}
else
{
licenseKey = "sRwAAAAeY29tLm1pY3JvYmxpbmsueGFtYXJpbi5ibGlua2lke7qv4oIhH4ywlU8/ZIc8ttT74daTKaSlmN1khLj7e+CR+5SB1pjJQuNbEIlPAVl67d85JYqkRXxuWzKbaSWuPI7MzpKrXphakcSuyLYATcHaZMHh2rJvFFfYWXEWz6GZJSRk4TZmdqWBsjdNEJBe2F8hb/CEuKgkZkoESgLsCEYWf6Se+IkRBhRcmmOrcqJAf5YzhNbhlClR7GmNEPZheayI+i784TvIAnHFGloQF52KSF8YFm3dTw==";
}
// since DependencyService requires implementations to have default constructor, a factory is needed
// to construct implementation of IMicroblinkScanner with given license key
blinkID = microblinkFactory.CreateMicroblinkScanner(licenseKey);
// license keys must be set before creating Recognizer, othervise InvalidLicenseKeyException will be thrown
// the following code creates and sets up implementation of MrtdRecognizer
mrtdRecognizer = DependencyService.Get <IMrtdRecognizer>();
mrtdRecognizer.ReturnFullDocumentImage = true;
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
mrtdSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>().CreateSuccessFrameGrabberRecognizer(mrtdRecognizer);
// the following code creates and sets up implementation of UsdlRecognizer
usdlRecognizer = DependencyService.Get <IUsdlRecognizer>();
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
usdlSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>().CreateSuccessFrameGrabberRecognizer(usdlRecognizer);
// the following code creates and sets up implementation of EudlRecognizer
eudlRecognizer = DependencyService.Get <IEudlRecognizer>();
eudlRecognizer.ReturnFaceImage = true;
eudlRecognizer.ReturnFullDocumentImage = true;
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
eudlSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>().CreateSuccessFrameGrabberRecognizer(eudlRecognizer);
// subscribe to scanning done message
MessagingCenter.Subscribe <Messages.ScanningDoneMessage> (this, Messages.ScanningDoneMessageId, (sender) => {
ImageSource faceImageSource = null;
ImageSource fullDocumentImageSource = null;
ImageSource successFrameImageSource = null;
string stringResult = "No valid results.";
// if user cancelled scanning, sender.ScanningCancelled will be true
if (sender.ScanningCancelled)
{
stringResult = "Scanning cancelled";
}
else
{
// otherwise, one or more recognizers used in RecognizerCollection (see StartScan method below)
// will contain result
// if specific recognizer's result's state is Valid, then it contains data recognized from image
if (mrtdRecognizer.Result.ResultState == RecognizerResultState.Valid)
{
var result = mrtdRecognizer.Result;
stringResult = "PrimaryID: " + result.MrzResult.PrimaryId + "\n" +
"SecondaryID: " + result.MrzResult.SecondaryId + "\n" +
"Nationality: " + result.MrzResult.Nationality + "\n" +
"Gender: " + result.MrzResult.Gender + "\n" +
"Date of birth: " + result.MrzResult.DateOfBirth.Day + "." + result.MrzResult.DateOfBirth.Month + "." + result.MrzResult.DateOfBirth.Year + ".";
fullDocumentImageSource = result.FullDocumentImage;
successFrameImageSource = mrtdSuccessFrameGrabberRecognizer.Result.SuccessFrame;
}
// similarly, we can check for results of other recognizers
if (usdlRecognizer.Result.ResultState == RecognizerResultState.Valid)
{
var result = usdlRecognizer.Result;
stringResult =
"USDL version: " + result.GetField(UsdlKeys.StandardVersionNumber) + "\n" +
"Family name: " + result.GetField(UsdlKeys.CustomerFamilyName) + "\n" +
"First name: " + result.GetField(UsdlKeys.CustomerFirstName) + "\n" +
"Date of birth: " + result.GetField(UsdlKeys.DateOfBirth) + "\n" +
"Sex: " + result.GetField(UsdlKeys.Sex) + "\n" +
"Eye color: " + result.GetField(UsdlKeys.EyeColor) + "\n" +
"Height: " + result.GetField(UsdlKeys.Height) + "\n" +
"Street: " + result.GetField(UsdlKeys.AddressStreet) + "\n" +
"City: " + result.GetField(UsdlKeys.AddressCity) + "\n" +
"Jurisdiction: " + result.GetField(UsdlKeys.AddressJurisdictionCode) + "\n" +
"Postal code: " + result.GetField(UsdlKeys.AddressPostalCode) + "\n" +
// License information
"Issue date: " + result.GetField(UsdlKeys.DocumentIssueDate) + "\n" +
"Expiration date: " + result.GetField(UsdlKeys.DocumentExpirationDate) + "\n" +
"Issuer ID: " + result.GetField(UsdlKeys.IssuerIdentificationNumber) + "\n" +
"Jurisdiction version: " + result.GetField(UsdlKeys.JurisdictionVersionNumber) + "\n" +
"Vehicle class: " + result.GetField(UsdlKeys.JurisdictionVehicleClass) + "\n" +
"Restrictions: " + result.GetField(UsdlKeys.JurisdictionRestrictionCodes) + "\n" +
"Endorsments: " + result.GetField(UsdlKeys.JurisdictionEndorsementCodes) + "\n" +
"Customer ID: " + result.GetField(UsdlKeys.CustomerIdNumber);
successFrameImageSource = usdlSuccessFrameGrabberRecognizer.Result.SuccessFrame;
}
if (eudlRecognizer.Result.ResultState == RecognizerResultState.Valid)
{
var result = eudlRecognizer.Result;
stringResult =
"First name: " + result.FirstName + "\n" +
"Last name: " + result.LastName + "\n" +
"Address: " + result.Address + "\n" +
"Personal number: " + result.PersonalNumber + "\n" +
"Driver number: " + result.DriverNumber;
successFrameImageSource = eudlSuccessFrameGrabberRecognizer.Result.SuccessFrame;
faceImageSource = result.FaceImage;
fullDocumentImageSource = result.FullDocumentImage;
}
}
// updating the UI must be performed on main thread
Device.BeginInvokeOnMainThread(() => {
resultsEditor.Text = stringResult;
fullDocumentImage.Source = fullDocumentImageSource;
successScanImage.Source = successFrameImageSource;
faceImage.Source = faceImageSource;
});
});
}
private void InitializeBlinkIdScanner()
{
var microblinkFactory = DependencyService.Get <IMicroblinkScannerFactory>();
string licenseKey = string.Empty;
if (Device.RuntimePlatform == Device.iOS)
{
licenseKey = "sRwAAAEQY29tLmNobWwuaXQuY2Nmc0iUtoUk/ef1YJ5j3+j5toBM9aJu3EN0SDbB/mPKFx+V0MNFRZwwmNkzl1VU8JhdIYmouNK1poJKQCdOpB6MZ7W1x/pIarGykttt1FFrEHkvAE0NW8NEmidSg8mY+FCvJWVAiQlOHsSXw5YbyjtZv1lGDrU6zai0qefO7+VpwI3w2Q4GwlVybN7SlkSoU1vb8zh0y5Gc2eC5vVDyi7XoSZY/L1lUD1VsBWya5RBti4r7QzPEPy9M/WZp8TNJrw==";
}
else
{
licenseKey = "sRwAAAAeY29tLm1pY3JvYmxpbmsueGFtYXJpbi5ibGlua2lke7qv4oIhH4ywlU8/Zqc2tpXY3x6Jq4MYktFtYaRbzI3x0Qxrr0NeFEjL6qt8Qcz144x2F5LGg1bHXgkRXbt37saoFv1HJUiJ50Y4YHglH8SqhyfSzsT/C/vQEAKXgZBQuNeeCTY6RttMciEbHHHj7nybEz9+aOoBXfx0+XXx3cU4L6Wbmf/5EAXokQXtEkL3mCR8VC/51ohQVyRIgItohusasIcfe8B+UjUMCZU9v1B0bvHcUKZH6g==";
}
blinkID = microblinkFactory.CreateMicroblinkScanner(licenseKey);
mrtdRecognizer = DependencyService.Get <IMrtdRecognizer>();
mrtdRecognizer.ReturnFullDocumentImage = true;
mrtdSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>().CreateSuccessFrameGrabberRecognizer(mrtdRecognizer);
// subscribe to scanning done message
MessagingCenter.Subscribe <Microblink.Forms.Core.Messages.ScanningDoneMessage>(this, Microblink.Forms.Core.Messages.ScanningDoneMessageId, (sender) =>
{
string stringResult = "No valid results.";
// if user cancelled scanning, sender.ScanningCancelled will be true
if (sender.ScanningCancelled)
{
stringResult = "Scanning cancelled";
}
else
{
// if specific recognizer's result's state is Valid, then it contains data recognized from image
if (mrtdRecognizer.Result.ResultState == RecognizerResultState.Valid)
{
var result = mrtdRecognizer.Result;
ScanResult = result.MrzResult;
SelectedIDMethod = Constants.IdentificationMethods.FirstOrDefault(x => x.Code == "2");
if (result.MrzResult.Gender == "F")
{
SelectedGender = Constants.Genders.FirstOrDefault(x => x.Gender == "Female");
}
else
{
SelectedGender = Constants.Genders.FirstOrDefault(x => x.Gender == "Male");
}
IsVisibleGuestInformation = true;
IsVisibleHint = false;
IsVisiblePage = true;
IsVisibleIndicator = false;
IsRunningIndicator = false;
//FullDocumentImge = result.FullDocumentImage;
//FrameImageSource = mrtdSuccessFrameGrabberRecognizer.Result.SuccessFrame;
}
}
});
}
public BlinkIDPage()
{
InitializeComponent();
// before obtaining any of the recognizer's implementations from DependencyService, it is required
// to obtain instance of IMicroblinkScanner and set the license key.
// Failure to do so will crash your app.
var microblinkFactory = DependencyService.Get <IMicroblinkScannerFactory>();
// license keys are different for iOS and Android and depend on iOS bundleID/Android application ID
// in your app, you may obtain the correct license key for your platform via DependencyService from
// your Droid/iOS projects
string licenseKey;
// both these license keys are demo license keys for bundleID/applicationID com.microblink.xamarin.blinkid
if (Device.RuntimePlatform == Device.iOS)
{
licenseKey = "sRwAAAEeY29tLm1pY3JvYmxpbmsueGFtYXJpbi5ibGlua2lks3unDF2B9jpa6FeAxSjaWUg1ROYBfuTUj5ciQyp9KpRtdClsjclAqYTT1BA7QMj6tUv6yIwdGZNSUhiR253O9Zugyv6tsc8hB9XvpMvDAHOiAmgzkj5SacPTjp5C4xZwKCmER2NUf4YSDddznrI7btd5cNnr0Bc5lT0wNHzlN7Z6r04dqoI+jzrCW65IgF8DrA/t4C6O0/lxthm+IfAmobL0kfI0ui6/fy3m8OZ31AacLKO1qb4T0A==";
}
else
{
licenseKey = "sRwAAAAeY29tLm1pY3JvYmxpbmsueGFtYXJpbi5ibGlua2lke7qv4oIhH4ywlU8/Zqc2tpXY3x6Jq4MYktFtYaRbzI3x0Qxrr0NeFEjL6qt8Qcz144x2F5LGg1bHXgkRXbt37saoFv1HJUiJ50Y4YHglH8SqhyfSzsT/C/vQEAKXgZBQuNeeCTY6RttMciEbHHHj7nybEz9+aOoBXfx0+XXx3cU4L6Wbmf/5EAXokQXtEkL3mCR8VC/51ohQVyRIgItohusasIcfe8B+UjUMCZU9v1B0bvHcUKZH6g==";
}
// since DependencyService requires implementations to have default constructor, a factory is needed
// to construct implementation of IMicroblinkScanner with given license key
blinkID = microblinkFactory.CreateMicroblinkScanner(licenseKey);
// license keys must be set before creating Recognizer, othervise InvalidLicenseKeyException will be thrown
// the following code creates and sets up implementation of MrtdRecognizer
mrtdRecognizer = DependencyService.Get <IMrtdRecognizer>();
mrtdRecognizer.ReturnFullDocumentImage = true;
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
mrtdSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>().CreateSuccessFrameGrabberRecognizer(mrtdRecognizer);
// the following code creates and sets up implementation of UsdlRecognizer
usdlRecognizer = DependencyService.Get <IUsdlRecognizer>();
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
usdlSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>().CreateSuccessFrameGrabberRecognizer(usdlRecognizer);
// the following code creates and sets up implementation of EudlRecognizer
eudlRecognizer = DependencyService.Get <IEudlRecognizer>();
eudlRecognizer.ReturnFaceImage = true;
eudlRecognizer.ReturnFullDocumentImage = true;
// success frame grabber recognizer must be constructed with reference to its slave recognizer,
// so we need to use factory to avoid DependencyService's limitations
eudlSuccessFrameGrabberRecognizer = DependencyService.Get <ISuccessFrameGrabberRecognizerFactory>().CreateSuccessFrameGrabberRecognizer(eudlRecognizer);
// subscribe to scanning done message
MessagingCenter.Subscribe <Messages.ScanningDoneMessage> (this, Messages.ScanningDoneMessageId, (sender) => {
ImageSource faceImageSource = null;
ImageSource fullDocumentImageSource = null;
ImageSource successFrameImageSource = null;
string stringResult = "No valid results.";
// if user cancelled scanning, sender.ScanningCancelled will be true
if (sender.ScanningCancelled)
{
stringResult = "Scanning cancelled";
}
else
{
// otherwise, one or more recognizers used in RecognizerCollection (see StartScan method below)
// will contain result
// if specific recognizer's result's state is Valid, then it contains data recognized from image
if (mrtdRecognizer.Result.ResultState == RecognizerResultState.Valid)
{
var result = mrtdRecognizer.Result;
stringResult = "PrimaryID: " + result.MrzResult.PrimaryId + "\n" +
"SecondaryID: " + result.MrzResult.SecondaryId + "\n" +
"Nationality: " + result.MrzResult.Nationality + "\n" +
"Gender: " + result.MrzResult.Gender + "\n" +
"Date of birth: " + result.MrzResult.DateOfBirth.Day + "." + result.MrzResult.DateOfBirth.Month + "." + result.MrzResult.DateOfBirth.Year + ".";
fullDocumentImageSource = result.FullDocumentImage;
successFrameImageSource = mrtdSuccessFrameGrabberRecognizer.Result.SuccessFrame;
}
// similarly, we can check for results of other recognizers
if (usdlRecognizer.Result.ResultState == RecognizerResultState.Valid)
{
var result = usdlRecognizer.Result;
stringResult =
"USDL version: " + result.GetField(UsdlKeys.StandardVersionNumber) + "\n" +
"Family name: " + result.GetField(UsdlKeys.CustomerFamilyName) + "\n" +
"First name: " + result.GetField(UsdlKeys.CustomerFirstName) + "\n" +
"Date of birth: " + result.GetField(UsdlKeys.DateOfBirth) + "\n" +
"Sex: " + result.GetField(UsdlKeys.Sex) + "\n" +
"Eye color: " + result.GetField(UsdlKeys.EyeColor) + "\n" +
"Height: " + result.GetField(UsdlKeys.Height) + "\n" +
"Street: " + result.GetField(UsdlKeys.AddressStreet) + "\n" +
"City: " + result.GetField(UsdlKeys.AddressCity) + "\n" +
"Jurisdiction: " + result.GetField(UsdlKeys.AddressJurisdictionCode) + "\n" +
"Postal code: " + result.GetField(UsdlKeys.AddressPostalCode) + "\n" +
// License information
"Issue date: " + result.GetField(UsdlKeys.DocumentIssueDate) + "\n" +
"Expiration date: " + result.GetField(UsdlKeys.DocumentExpirationDate) + "\n" +
"Issuer ID: " + result.GetField(UsdlKeys.IssuerIdentificationNumber) + "\n" +
"Jurisdiction version: " + result.GetField(UsdlKeys.JurisdictionVersionNumber) + "\n" +
"Vehicle class: " + result.GetField(UsdlKeys.JurisdictionVehicleClass) + "\n" +
"Restrictions: " + result.GetField(UsdlKeys.JurisdictionRestrictionCodes) + "\n" +
"Endorsments: " + result.GetField(UsdlKeys.JurisdictionEndorsementCodes) + "\n" +
"Customer ID: " + result.GetField(UsdlKeys.CustomerIdNumber);
successFrameImageSource = usdlSuccessFrameGrabberRecognizer.Result.SuccessFrame;
}
if (eudlRecognizer.Result.ResultState == RecognizerResultState.Valid)
{
var result = eudlRecognizer.Result;
stringResult =
"First name: " + result.FirstName + "\n" +
"Last name: " + result.LastName + "\n" +
"Address: " + result.Address + "\n" +
"Personal number: " + result.PersonalNumber + "\n" +
"Driver number: " + result.DriverNumber;
successFrameImageSource = eudlSuccessFrameGrabberRecognizer.Result.SuccessFrame;
faceImageSource = result.FaceImage;
fullDocumentImageSource = result.FullDocumentImage;
}
}
// updating the UI must be performed on main thread
Device.BeginInvokeOnMainThread(() => {
resultsEditor.Text = stringResult;
fullDocumentImage.Source = fullDocumentImageSource;
successScanImage.Source = successFrameImageSource;
faceImage.Source = faceImageSource;
});
});
}
