VLDOCRViewControllerDelegate Protocol Reference
| Conforms to | NSObject |
|---|---|
| Declared in | VLDOCRViewController.h |
Overview
The VLDOCRViewControllerDelegate protocol provides callbacks for when the user has finished with the VLDOCRViewController.
– ocrViewControllerDidCancel:
required method
The user pressed the cancel button.
- (void)ocrViewControllerDidCancel:(VLDOCRViewController *_Nonnull)viewControllerParameters
viewController |
the instance of the view controller where the cancel occurred. |
|---|
Discussion
The user pressed the cancel button.
Declared In
VLDOCRViewController.h
– ocrViewControllerWasDeniedCameraAuthorization:
required method
The user did not grant access to the camera so OCR can’t be performed.
- (void)ocrViewControllerWasDeniedCameraAuthorization:(VLDOCRViewController *_Nonnull)viewControllerParameters
viewController |
the instance of the view controller where the action occurred. |
|---|
Discussion
The user did not grant access to the camera so OCR can’t be performed.
Declared In
VLDOCRViewController.h
– ocrViewController:didCompleteReading:image:metadata:
required method
The OCR reading was successful.
- (void)ocrViewController:(VLDOCRViewController *_Nonnull)viewController didCompleteReading:(VLDRecord *_Nullable)record image:(UIImage *_Nullable)image metadata:(NSDictionary *_Nullable)metadataParameters
viewController |
the VLDOCRViewController that got the reading, passed back to simplify dismissal. |
|---|---|
record |
the reading that was just taken. |
image |
the final image of the screen used to determine the reading. |
metadata |
A dictionary containing additional metadata from the OCR process. The dictionary
should contain the final full screen camera preview processed by the OCR engine, identified with
the key |
Discussion
The OCR reading was successful.
Declared In
VLDOCRViewController.h