Natively Recognize Barcodes/QR Codes in iOS 7 with Xamarin.iOS

There have been great barcode-reading libraries available for Xamarin for some time, but iOS 7 has built-in barcode-recognition support. There’s only one tricky bit: you have to tell the AVCaptureMetadataOutput what types of barcodes you’re interested in after you’ve added it to the AVCaptureSession. (I suppose what happens behind the scene is that the AVCaptureSession […]