A lightweight and high-performance QR Code Scanner Android app built using Kotlin, CameraX, and Google ML Kit.
This app uses real-time camera input and on-device machine learning to detect and decode QR codes instantly and accurately.
🎥 Watch the full demo :
👉 Demo
The QR Code Scanner App is designed for speed, simplicity, and offline usage.
It uses Google’s ML Kit Barcode Scanning API to read QR codes directly from the live camera feed using CameraX, without needing an internet connection.
- ⚡ Real-time QR code detection
- 📷 Live camera preview with detection overlay
- 📄 Automatically displays decoded QR content
- 🔒 Fully offline – no data is sent to servers
- 🎯 Lightweight, minimal, and fast