![]() Start by adding this new import near the top of ProspectsView. Regardless of what code or error comes back, we’re just going to dismiss the view we’ll add more code shortly to do more work. When the CodeScannerView finds a code, it will call a completion closure with a Result instance either containing details about the code that was found or an error saying what the problem was – perhaps the camera wasn’t available, or the camera wasn’t able to scan codes, for example. Position the barcode you want to scan in view of the camera. The app will only ask for permission the first time you use it. The app will ask for permission to use your iPhone’s camera. When it comes to handling the result of the QR scanning, I’ve made the CodeScanner package do literally all the work of figuring out what the code is and how to send it back, so all we need to do here is catch the result and process it somehow. Many iPhone barcode apps are available for download from the Apple App Store, but well choose QR Code Reader - Barcode Maker for this example. Open the QR Code Reader - Barcode Maker app on your iPhone and tap the large circular barcode icon in the center of the screen. So, replace the action code for the toolbar button with this: isShowingScanner = true So, start by adding this new property to ProspectsView: private var isShowingScanner = falseĮarlier we added some test functionality to the “Scan” button so we could insert some sample data, but we don’t need that any more because we’re about to scan real QR codes. We already have a “Scan” button in ProspectsView, and we’re going to use that trigger QR scanning. I know I keep repeating myself, but I hope you can see the continuing theme: the best way to write SwiftUI is to isolate functionality in discrete methods and wrappers, so that all you expose to your SwiftUI layouts is clean, clear, and unambiguous. The CodeScanner package gives us one CodeScanner SwiftUI view to use, which can be presented in a sheet and handle code scanning in a clean, isolated way. Press Finish to import the finished package into your project.For the version rules, leave “Up to Next Major” selected, which means you’ll get any bug fixes and additional features but not any breaking changes.Open the Camera app from the Home Screen, Control Centre or Lock Screen. Go to File > Swift Packages > Add Package Dependency. How to scan a QR code with the Camera app.Here, though, we’re just going to add it to Xcode by following these steps: My package is called CodeScanner, and its available on GitHub under the MIT license at – you’re welcome to inspect and/or edit the source code if you want. ![]() ![]() This doesn’t integrate into SwiftUI terribly smoothly, so to skip over a whole lot of pain I’ve packaged up a QR code reader into a Swift package that we can add and use directly inside Xcode. Whether you're a retail store, event organizer, or individual, this app has something to offer.Scanning a QR code – or indeed any kind of visible code such as barcodes – can be done by Apple’s AVFoundation library. Overall, QR Scanner - Barcode Generator is a versatile and powerful tool that can be used in many different industries and for many different purposes. Additionally, the app can be used to generate unique codes for individual orders, making it easier to track and manage orders. This allows customers to quickly and easily access information about menu items, promotions, or events. This allows them to easily track the success of their campaigns by monitoring how many people are scanning the codes.įood and Beverage Industry: Restaurants and bars can use the app to scan QR codes on menus or promotional materials. Marketing and Advertising: Businesses can use the app to generate QR codes for their marketing and advertising campaigns. They can also use the app to scan codes from friends or colleagues, allowing them to quickly access information or websites. Personal Use: Individuals can use the app to create their own QR codes for personal use, such as sharing contact information, social media profiles, or links to websites. This saves time and reduces lines, making for a smoother and more efficient event. This allows them to keep track of inventory and sales, as well as quickly reorder products that are running low.Įvent Ticketing: Event organizers can use the app to scan the QR codes on tickets, allowing attendees to quickly and easily check-in to the event. Product Scanning: Retail stores can use the app to quickly and easily scan the barcodes of their products. There are many different use cases for QR Scanner - Barcode Generator, but here are the top use cases that showcase the app's versatility and usefulness:
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