INNER CODE UNIT · Swift

presentScanner

wu9007/qrcode_scanner · ios/Classes/SwiftQrscanPlugin.swift:60

  private func presentScanner(color: UIColor? = nil, hint: String? = nil, title: String? = nil) {
    let status = AVCaptureDevice.authorizationStatus(for: .video)
    if status == .denied || status == .restricted {
      finish(errorCode: "PERMISSION_NOT_GRANTED", message: "Camera permission denied")
      return
    }
    if status == .notDetermined {
      AVCaptureDevice.requestAccess(for: .video) { [weak self] granted in
        DispatchQueue.main.async {
          guard let self else { return }
          if granted {
            self.presentScanner(color: color, hint: hint, title: title)
          } else {
            self.finish(errorCode: "PERMISSION_NOT_GRANTED", message: "Camera permission denied")
          }
        }
      }
      return

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