This is simple QR code scanner with Room Database. 100% written in Kotlin. QR Code Scanner — Scan any QR code instantly with your camera, or decode one from an uploaded image, drag-and-drop file or ...

QR Code stands for Quick Response Code and is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. QR Codes are now widely used in various ...