How I can save scans to user's photo library?

Question

Created Nov ’20

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Code Block extension ViewController: VNDocumentCameraViewControllerDelegate, UIImagePickerControllerDelegate {
    func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFinish scan: VNDocumentCameraScan) {
        for pageNumber in 0..<scan.pageCount {
            let image = scan.imageOfPage(at: pageNumber)
            print(image)
            //save
            hasPhoto = true
            UIImageWriteToSavedPhotosAlbum(image, self, #selector(image(_:didFinishSavingWithError:contextInfo:)), nil)
            //UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil)
        }
        controller.dismiss(animated: true, completion: nil)
    }

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Answer 1

DTS Engineer OP

Apple

Dec ’20

Hello,

I'm not sure what issue you are encountering exactly, but what you have here looks approximately correct.

Things to keep in mind:

You must set your ViewController as the VNDocumentCameraViewControllerDelegate.
You need the "Privacy - Photo Library Additions Usage Description" key in your info.plist (or the "Privacy - Photo Library Usage Description" if you also need read access to the Photo Library).

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