MBFieldByFieldOverlayViewControllerDelegate Protocol Reference


                    
                    
                    -fieldByFieldOverlayViewControllerWillClose:

Called when Overlay will close. This can happen if the user pressed close button

Perform here your VC dismiss logic.

Declaration

Objective-C

- (void)fieldByFieldOverlayViewControllerWillClose:
    (nonnull MBFieldByFieldOverlayViewController *)
        fieldByFieldOverlayViewController;

Swift

func field(byFieldOverlayViewControllerWillClose fieldByFieldOverlayViewController: MBFieldByFieldOverlayViewController)

Parameters


                                fieldByFieldOverlayViewController

View Controller responsible for scanning


                    
                    
                    -fieldByFieldOverlayViewController:didFinishScanningWithElements:

Called when Scanning finishes and Overlay will dissapear.

Perform here your VC dismiss logic, as well as result handling

Declaration

Objective-C

- (void)fieldByFieldOverlayViewController:
            (nonnull MBFieldByFieldOverlayViewController *)
                fieldByFieldOverlayViewController
            didFinishScanningWithElements:
                (nonnull NSArray<MBScanElement *> *)scanElements;

Swift

func field(_ fieldByFieldOverlayViewController: MBFieldByFieldOverlayViewController, didFinishScanningWith scanElements: [MBScanElement])

Parameters

`fieldByFieldOverlayViewController`	View Controller responsible for scanning
`scanElements`	Array of MBScanElement objects with all scanning results


                    
                    
                    -fieldByFieldOverlayViewControllerWillPresentHelp:

Called when user pressed the help button on the overlay.

Perform logic showing your help instructions here.

Declaration

Objective-C

- (void)fieldByFieldOverlayViewControllerWillPresentHelp:
    (nonnull MBFieldByFieldOverlayViewController *)
        fieldByFieldOverlayViewController;

Swift

optional func field(byFieldOverlayViewControllerWillPresentHelp fieldByFieldOverlayViewController: MBFieldByFieldOverlayViewController)

Parameters


                                fieldByFieldOverlayViewController

View Controller responsible for scanning


                    
                    
                    -fieldByFieldOverlayViewController:didOutputCurrentImage:

Outputs back each image processed by the SDK.

Declaration

Objective-C

- (void)fieldByFieldOverlayViewController:
            (nonnull MBFieldByFieldOverlayViewController *)
                fieldByFieldOverlayViewController
                    didOutputCurrentImage:(nonnull MBImage *)currentImage;

Swift

optional func field(_ fieldByFieldOverlayViewController: MBFieldByFieldOverlayViewController, didOutputCurrentImage currentImage: MBImage)

Parameters

`fieldByFieldOverlayViewController`	View Controller responsible for scanning
`currentImage`	Current image being processed