Barcodes and QR codes can be useful features in many types of apps from social apps like WeChat and Venmo to connect friends together or location-based games like scavenger hunts. The Barcode Scanner component uses the camera to read any barcode or QR code.
The Barcode Scanner is among the easiest components to set-up and use. After adding the component to your app, you can connect it with a button and a label like the blocks below.
value is the code within the barcode and QR code. You can also detect the
type (either barcode or QR).
In most cases you'll use the default
back camera in your mobile device but you also have the option to specify the front camera in certain cases.