protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (requestCode == ACTIVITY_REQUEST_ID && resultCode == Result.Ok)
{
// obtain image view that will display image of the document
ImageView documentImageView = this.FindViewById <ImageView>(Resource.Id.documentImageView);
// unfortunately, C# does not support covariant return types, so binding
// of AAR loses the return type of the Java's GetResult method. Therefore, a cast is required.
// This is always a safe cast, since the original object in Java is of correct type - type
// information was lost during conversion to C# due to https://github.com/xamarin/java.interop/pull/216
var mrtdResult = (MrtdRecognizer.Result)mrtdRecognizer.GetResult();
var eudlResult = (EudlRecognizer.Result)eudlRecognizer.GetResult();
var usdlResult = (UsdlRecognizer.Result)usdlRecognizer.GetResult();
var message = "";
// we can check ResultState property of the Result to see if the result contains scanned information
if (mrtdResult.ResultState == Recognizer.Result.State.Valid)
{
message += "MRTD recognizer result:\n" +
"PrimaryID: " + mrtdResult.MrzResult.PrimaryId + "\n" +
"SecondaryID: " + mrtdResult.MrzResult.SecondaryId + "\n" +
"Date of birth: " + mrtdResult.MrzResult.DateOfBirth.Date.Day + "." +
mrtdResult.MrzResult.DateOfBirth.Date.Month + "." +
mrtdResult.MrzResult.DateOfBirth.Date.Year + ".\n";
// image is now part of the result - no need for having separate image listener
documentImageView.SetImageBitmap(mrtdResult.FullDocumentImage.ConvertToBitmap());
}
if (eudlResult.ResultState == Recognizer.Result.State.Valid)
{
message += "EUDL recognizer result:\n" +
"First name: " + eudlResult.FirstName + "\n" +
"Last name: " + eudlResult.LastName + "\n" +
"Birth data: " + eudlResult.BirthData + "\n" +
"Country: " + eudlResult.Country.ToString() + "\n";
documentImageView.SetImageBitmap(eudlResult.FullDocumentImage.ConvertToBitmap());
}
if (usdlResult.ResultState == Recognizer.Result.State.Valid)
{
message += "USDL recognizer result:\n" +
"First name: " + usdlResult.FirstName + "\n" +
"Last name: " + usdlResult.LastName + "\n" +
"Address: " + usdlResult.Address + "\n";
}
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.SetTitle("BlinkID Results");
alert.SetPositiveButton("OK", (senderAlert, args) => { });
alert.SetMessage(message);
alert.Show();
}
}
