54 lines
1.6 KiB
Markdown
54 lines
1.6 KiB
Markdown
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# QR Code Scanner for iOS
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Scans QR codes using the device's camera and returns a string value.
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## Installation
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1. Install [CocoaPods](https://cocoapods.org).
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2. Add the following dependency in your **Podspec** file:
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~~~ruby
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pod 'QR-Code-Scanner-iOS', '~> 1.0'
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~~~
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3. Run `pod install`.
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## Usage
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~~~swift
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import UIKit
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import QRCodeScanner
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class MyViewController: UIViewController, QRCodeScanViewControllerDelegate {
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/// Start the QR code scan
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func scanQRCode() {
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// Create an instance of QRCodeScanViewController
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let viewController = QRCodeScanViewController.create()
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// Set itself as delegate
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viewController.delegate = self
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// Present the view controller
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self.present(viewController, animated: true)
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}
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// MARK: QRCodeScanViewControllerDelegate
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/// Called when the camera scans a QR code
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/// - Parameters:
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/// - viewController: View controller that scanned the QR code
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/// - value: String encoded in the QR code
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func qrCodeScanViewController(_ viewController: QRCodeScanViewController, didScanQRCode value: String) {
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// Dismiss the view controller
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viewController.dismiss(animated: true) {
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// Show an alert with the scanned value
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let alert = UIAlertController(title: "Scanned value", message: value, preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: "OK", style: .default, handler: nil))
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self.present(alert, animated: true)
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}
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}
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}
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~~~
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