AboundScanControllerDelegate

Informs the delegate that the user has requested to save the scan.

Implement this method and call saveCallback with data you want to store against the scan. To cancel saving, pass nil.

For example, to open a dialog to ask user for a description of their scan, you could use the following.

func scanController(_ scanController: AboundScanController,
                    shouldSaveScanWithInfo info: [AboundScanController.InfoKey: Any],
                    saveCallback: @escaping ([String: Any]?) -> Void) {
    let dialog = UIAlertController(title: "Enter description", message: nil,
                                   preferredStyle: .alert)
    dialog.addTextField()
    dialog.addAction(UIAlertAction(title: "Cancel", style: .cancel) { _ in
        saveCallback(nil)
    })
    dialog.addAction(UIAlertAction(title: "OK", style: .default) { _ in
        saveCallback(["description": dialog.textFields!.first!.text!])
    })
    scanController.present(dialog, animated: true)
}

Informs the delegate that the scan has finished saving the scan.

Informs the delegate that the user cancelled the scanning operation, e.g. by tapping the Back button.

The default implementation dismisses the view controller. scanController.dismiss(animated: true)

Informs the delegate that scanning failed for some reason.

The error object contains information about the type and source of the AboundError.

• For the type of error, see the three digit code as described in AboundError.Code.
• For human-readable messages, see localizedDescription, failureReason, and recoverySuggestion.

• For more information about the source of the error, see error.errorUserInfo, e.g. underlying error for network errors, or a path for file not found errors.