BarcodeScanner is an open source project which let you easy to get barcode contents.

• UPC CODE
• EAN CODE (EAN-13, EAN-8)
• CODE 39
• CODE 128
• ITF (Interleaved 2 OF 5)
• CODE 93
• QR CODE
• DATAMATRIX CODE
• PDF417
• AZTEC

• Link AVFoundation.framework in Build Phases
• You can download the Barcode.swift file into your project directly.
• If you want to import to Objective-C project. You also need to configure Xcode. Please reference this link.

To effect iOS 10 privacy policy, you must provide usage description for camera.

<key>NSCameraUsageDescription</key>
<string>Used to scan QR code</string>

To use this library in your project is very easy. BarcodeScanner is a ViewController so that you just present a ViewController to launch it and use dismiss to close it.

• Inital this object and assign delegate

let barcodeViewController = BarcodeScannerViewController()
barcodeViewController.cancelButton_Text = "取消" // customize text of cancel button, default text is "Cancel"
barcodeViewController.delegate = self

• Launch camera to scan barcode in your ViewController

self.present(barcodeViewController, animated: true, completion: nil)

• You should adopt BarcodeSacnnerDelegate protocol and implement that method in your ViewController. The result from BarcodeScanner will use callback method let you get.

class ViewController: UIViewController, BarcodeScannerDelegate {
...
    // MARK: - BarcodeScannerDelegate
    func barcodeScannerController(_ scanner: BarcodeScannerViewController, didFinishPickingBarcodeContent content: String?) {
        var result = content ?? "" // BarcodeScanner returns String let you to do what you want
        scanner.dismiss(animated: true) // remember to dismiss the Barcode ViewController
    }

}

Nick Yang (Profile)