FIX: adden swipe cancel issue in ios 13 devices

src/ios/CDVBarcodeScanner.mm

@@ -103,6 +103,7 @@ @interface CDVbcsViewController : UIViewController <CDVBarcodeScannerOrientation
 @property (nonatomic, retain) UIView * reticleView;
 // unsafe_unretained is equivalent to assign - used to prevent retain cycles in the property below
 @property (nonatomic, unsafe_unretained) id orientationDelegate;
+@property (nonatomic, getter=isModalInPresentation) BOOL modalInPresentation;
 
 - (id)initWithProcessor:(CDVbcsProcessor*)processor alternateOverlay:(NSString *)alternateXib;
 - (void)startCapturing;
@@ -351,13 +352,16 @@ - (void)scanBarcode {
     self.viewController = [[CDVbcsViewController alloc] initWithProcessor: self alternateOverlay:self.alternateXib];
     // here we set the orientation delegate to the MainViewController of the app (orientation controlled in the Project Settings)
     self.viewController.orientationDelegate = self.plugin.viewController;
-
+    if (@available(iOS 13.0, *)) {
+        self.viewController.modalInPresentation = YES;
+    }
     // delayed [self openDialog];
     [self performSelector:@selector(openDialog) withObject:nil afterDelay:1];
 }
 
 //--------------------------------------------------------------------------
 - (void)openDialog {
+    [self.viewController setModalPresentationStyle:UIModalPresentationFullScreen];
     [self.parentViewController
      presentViewController:self.viewController
      animated:self.isTransitionAnimated completion:nil