new void Dispose()
{
_scanView?.RemoveFromSuperview();
_scanView?.Dispose();
_scanView = null;
base.Dispose();
}
private void InitializeAnyline()
{
NSError error = null;
if (initialized)
{
return;
}
try
{
frame = View.Bounds;
string configurationFile = (Element as ScanExamplePage).ConfigurationFile.Replace(".json", "");
// Use the JSON file name that you want to load here
var configPath = NSBundle.MainBundle.PathForResource(configurationFile, @"json");
// This is the main intialization method that will create our use case depending on the JSON configuration.
_resultDelegate = new ScanResultDelegate((Element as ScanExamplePage).ShowResultsAction);
_scanView = ALScanView.ScanViewForFrame(frame, configPath, licenseKey, _resultDelegate, out error);
if (error != null)
{
throw new Exception(error.LocalizedDescription);
}
// KNOWN ISSUE: the result delegate has to be added specifically to the scan plugin.
// this should be automatically done already with the ScanViewForFrame call.
ConnectDelegateToScanPlugin();
View.AddSubview(_scanView);
_scanView.StartCamera();
initialized = true;
}
catch (Exception e)
{
ShowAlert("Init Error", e.Message);
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
float hintMargin = 2;
// Set the background color to black to have a nicer transition
View.BackgroundColor = UIColor.Black;
UILabel hintViewLabel = new UILabel(CGRect.Empty);
hintView = new UIView(CGRect.Empty);
hintViewLabel.Text = @"Scan MRZ";
hintViewLabel.SizeToFit();
hintView.AddSubview(hintViewLabel);
hintView.Frame = new UIEdgeInsets(hintViewLabel.Frame.Top, hintViewLabel.Frame.Left, hintViewLabel.Frame.Bottom, hintViewLabel.Frame.Right)
.InsetRect(new CGRect(-hintMargin, -hintMargin, -hintMargin, -hintMargin));
hintView.Center = new CGPoint(View.Center.X, 0);
hintViewLabel.TranslatesAutoresizingMaskIntoConstraints = false;
hintViewLabel.CenterYAnchor.ConstraintEqualToSystemSpacingBelowAnchor(hintView.CenterYAnchor, 0);
hintViewLabel.CenterXAnchor.ConstraintEqualToSystemSpacingAfterAnchor(hintView.CenterXAnchor, 0);
hintView.Layer.CornerRadius = 8;
hintView.Layer.MasksToBounds = true;
hintView.BackgroundColor = UIColor.Black.ColorWithAlpha(0.5f);
hintViewLabel.TextColor = UIColor.White;
View.AddSubview(hintView);
ALMRZConfig mrzConfig = new ALMRZConfig();
//we want to be quite confident of these fields to ensure we can read the NFC with them
ALMRZFieldConfidences fieldConfidences = new ALMRZFieldConfidences();
fieldConfidences.DocumentNumber = 90;
fieldConfidences.DateOfBirth = 90;
fieldConfidences.DateOfExpiry = 90;
mrzConfig.IdFieldConfidences = fieldConfidences;
//Create fieldScanOptions to configure individual scannable fields
ALMRZFieldScanOptions scanOptions = new ALMRZFieldScanOptions();
scanOptions.VizAddress = ALFieldScanOption.Default;
scanOptions.VizDateOfIssue = ALFieldScanOption.Default;
scanOptions.VizSurname = ALFieldScanOption.Default;
scanOptions.VizGivenNames = ALFieldScanOption.Default;
scanOptions.VizDateOfBirth = ALFieldScanOption.Default;
scanOptions.VizDateOfExpiry = ALFieldScanOption.Default;
//Set scanOptions for MRZConfig
mrzConfig.IdFieldScanOptions = scanOptions;
NSError error = null;
//Init the anyline ID ScanPlugin with an ID, Licensekey, the delegate,
// the MRZConfig (which will configure the scan Plugin for MRZ scanning), and an error
this.mrzScanPlugin = new ALIDScanPlugin(@"ModuleID", AnylineViewController.LicenseKey, this, mrzConfig, out error);
nfcDetector = new ALNFCDetector(AnylineViewController.LicenseKey, this);
mrzScanViewPlugin = new ALIDScanViewPlugin(mrzScanPlugin);
var frame = UIScreen.MainScreen.ApplicationFrame;
frame = new CGRect(frame.X,
frame.Y + NavigationController.NavigationBar.Frame.Size.Height,
frame.Width,
frame.Height - NavigationController.NavigationBar.Frame.Size.Height);
// This is the main intialization method that will create our use case depending on the JSON configuration.
scanView = new ALScanView(frame, mrzScanViewPlugin);
scanView.ScanViewPlugin.AddScanViewPluginDelegate(new CutoutListener(updateHintPosition, scanView));
scanView.FlashButtonConfig.FlashAlignment = ALFlashAlignment.TopLeft;
// After setup is complete we add the scanView to the view of this view controller
View.AddSubview(scanView);
View.SendSubviewToBack(scanView);
var topGuide = TopLayoutGuide;
var viewNames = NSDictionary.FromObjectsAndKeys(new object[] {
scanView,
topGuide,
}, new NSObject[] {
new NSString("scanView"),
new NSString("topGuide"),
});
var emptyDict = new NSDictionary();
View.AddConstraints(NSLayoutConstraint.FromVisualFormat("H:|[scanView]|", 0, emptyDict, viewNames));
View.AddConstraints(NSLayoutConstraint.FromVisualFormat("V:[topGuide]-0-[scanView]|", 0, emptyDict, viewNames));
scanView.StartCamera();
}
private void InitializeAnyline()
{
NSError error = null;
if (_initialized)
{
return;
}
try
{
_frame = UIScreen.MainScreen.ApplicationFrame;
_frame = new CGRect(_frame.X,
_frame.Y + NavigationController.NavigationBar.Frame.Size.Height,
_frame.Width,
_frame.Height - NavigationController.NavigationBar.Frame.Size.Height);
// Use the JSON file name that you want to load here
var configPath = NSBundle.MainBundle.PathForResource(@"" + _jsonPath.Replace(".json", ""), @"json");
// This is the main intialization method that will create our use case depending on the JSON configuration.
//_scanView = ALScanView.ScanViewForFrame(_frame, configPath, LicenseKey, _resultDelegate, out error);
_scanView = ALScanView.ScanViewForFrame(_frame, configPath, LicenseKey, Self, out error);
if (error != null)
{
throw new Exception(error.LocalizedDescription);
}
// KNOWN ISSUE (OCRScanPlugin only): the customCmdFile is not loading the file correctly. therefore, it has to be added via code:
if (_scanView.ScanViewPlugin is ALOCRScanViewPlugin)
{
var file = File.ReadAllText(configPath);
NSData data = NSData.FromString(file);
NSDictionary dict = NSJsonSerialization.Deserialize(data, 0, out error) as NSDictionary;
var customCmdFileName = dict.ValueForKeyPath(new NSString(@"viewPlugin.plugin.ocrPlugin.customCmdFile"));
if (customCmdFileName != null)
{
var name = customCmdFileName.ToString().Split('.');
if (name.Length == 2)
{
var config = (_scanView.ScanViewPlugin as ALOCRScanViewPlugin).OcrScanPlugin.OcrConfig;
config.CustomCmdFilePath = NSBundle.MainBundle.PathForResource(name[0], name[1]);
// explicitly call this method so everything is updated internally
(_scanView.ScanViewPlugin as ALOCRScanViewPlugin).OcrScanPlugin.SetOCRConfig(config, out error);
if (error != null)
{
ShowAlert("OCR Config Error", error.DebugDescription);
}
}
}
}
// KNOWN ISSUE: the result delegate has to be added specifically to the scan plugin.
// this should be automatically done already with the ScanViewForFrame call.
ConnectDelegateToScanPlugin();
View.AddSubview(_scanView);
_scanView.StartCamera();
_initialized = true;
}
catch (Exception e)
{
ShowAlert("Init Error", e.Message);
}
}
public CutoutListener(Action <nfloat> updateHintPosition, ALScanView scanView)
{
this.updateHintPosition = updateHintPosition;
this.scanView = scanView;
}
