我正在尝试构建一个简单的应用程序来扫描文档,但是在尝试导入 VisionKit 模块时遇到了这个错误,我该如何解决这个错误?
我的代码:
import UIKit
import VisionKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
}
@IBAction func openCameraButtonTaped(_ sender: Any) {
configureDocumentView()
}
private func configureDocumentView() {
let scaningDocumentViewController = VNDocumentCameraViewController()
scaningDocumentViewController.delegate = self
self.present(scaningDocumentViewController, animated: true, completion: nil)
}
}
extension ViewController: VNDocumentCameraViewControllerDelegate {
func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFinishWith scan: VNDocumentCameraScan) {
for pageNum in 0..<scan.pageCount {
let image = scan.imageOfPage(at: pageNum)
print(image)
}
controller.dismiss(animated: true, completion: nil)
}
}