public override void ViewDidLoad()
{
base.ViewDidLoad();
// Initializing the License Plate module.
CGRect 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);
_scanView = new AnylineLicensePlateModuleView(frame);
// important: set up the scanView with the license key BEFORE calling CopyTrainedData, else it will fail!
// We tell the module to bootstrap itself with the license key and delegate. The delegate will later get called
// by the module once we start receiving results.
_error = null;
_success = _scanView.SetupWithLicenseKey(_licenseKey, Self, out _error);
// SetupWithLicenseKey:delegate:error returns true if everything went fine. In the case something wrong
// we have to check the error object for the error message.
if (!_success)
{
// Something went wrong. The error object contains the error description
(Alert = new UIAlertView("Error", _error.DebugDescription, (IUIAlertViewDelegate)null, "OK", null)).Show();
}
// We stop scanning manually
_scanView.CancelOnResult = false;
// After setup is complete we add the module to the view of this view controller
View.AddSubview(_scanView);
/*
* The following view will present the scanned values. Here we start listening for taps
* to later dismiss the view.
*/
_resultView = new LicensePlateResultOverlayView(new CGRect(0, 0, View.Frame.Width, View.Frame.Height), UIImage.FromBundle(@"drawable/license_plate_background.png"));
_resultView.AddGestureRecognizer(new UITapGestureRecognizer(this, new ObjCRuntime.Selector("ViewTapSelector:")));
_resultView.Center = View.Center;
_resultView.Alpha = 0;
_resultView.Result.Center = new CGPoint(View.Center.X, View.Center.Y);
_resultView.Result.Font = UIFont.BoldSystemFontOfSize(27);
_resultView.Result.TextColor = UIColor.Black;
_resultView.Country.Center = new CGPoint(View.Center.X - 136, View.Center.Y + 13);
_resultView.Country.Font = UIFont.BoldSystemFontOfSize(16);
_resultView.Country.TextColor = UIColor.White;
View.AddSubview(_resultView);
}
/*
* This is the main delegate method Anyline uses to report its results
*/
void IAnylineLicensePlateModuleDelegate.DidFindResult(AnylineLicensePlateModuleView anylineLicensePlateModuleView, ALLicensePlateResult scanResult)
{
StopAnyline();
if (_resultView != null)
{
View.BringSubviewToFront(_resultView);
}
var country = scanResult.Country;
var textResult = scanResult.Result.ToString();
_resultView?.UpdateResult(textResult);
_resultView?.UpdateCountry(country);
// Present the information to the user
_resultView?.AnimateFadeIn(View);
}
new void Dispose()
{
//un-register any event handlers here, if you have any
//we have to erase the scan view so that there are no dependencies for the viewcontroller left.
//remove result view
_resultView?.RemoveFromSuperview();
_resultView?.Dispose();
_resultView = null;
//we have to erase the scan view so that there are no dependencies for the viewcontroller left.
_scanView?.RemoveFromSuperview();
_scanView?.Dispose();
_scanView = null;
GC.Collect(GC.MaxGeneration);
base.Dispose();
}
