FastCodeScan

A fast, modern Android app for scanning and generating QR codes and barcodes.

Download FastCodeScan APK v1.0.0 here

Snapshots

Features

Scanning

• Real-time QR code and barcode scanning using device camera
• Support for multiple formats: QR Code, Code 128, Code 39, Code 93, CODABAR, EAN-13, EAN-8, ITF, UPC-A, UPC-E, Data Matrix, PDF 417, AZTEC
• Auto-detect and open URLs
• Copy scanned content to clipboard

Generation

• Generate QR codes from text, URLs, or any content
• Generate barcodes in various formats (Code 128, Code 39, EAN-13, EAN-8, UPC-A, ITF)
• Save generated codes to device gallery
• Real-time preview

History

• Persistent storage of all scan and generation records
• Separate tabs for scanned and generated history
• View, copy, or delete past records

Tech Stack

• Language: Kotlin
• UI: Jetpack Compose with Material 3
• Architecture: Clean Architecture + MVVM
• Camera: CameraX
• Scanning: Google ML Kit Barcode Scanning
• Generation: ZXing
• Database: Room
• DI: Hilt
• Async: Kotlin Coroutines & Flow

Requirements

• Android 8.0 (API 26) or higher
• Camera permission

Build

./gradlew assembleDebug

Project Structure

app/src/main/java/com/wongyichen/fastcodescan/
├── presentation/     # UI layer (Screens & ViewModels)
├── domain/           # Business logic (Models, Repository interfaces, UseCases)
├── data/             # Data layer (Room database, Repository implementation)
├── scanner/          # Scanning & generation logic
├── di/               # Hilt dependency injection modules
└── ui/               # Shared UI components & theme

License

MIT License