You wont have to take a picture or press any button. To scan the QR code or barcode, just open the app, point the camera at the code, and wait a second.- Scanning and generating QR code- QR code styling and app lock- View Scanned & Created History- Unlimited export and CSV- Fast and secure batch scanSupported formats: Quick Code, EAN 8, Code39, EQS, QRCode, Data Matrix, Code128.