HID Barcode Scanner

HID Barcode Scanner

---

Credits & Attribution

This project is a fork of the amazing work by Fabi019!

The original HID Barcode Scanner was created by Fabian (@Fabi019). This fork builds upon his excellent foundation to add new features while maintaining the core functionality that makes the app great.

⭐ Star the original repo here

---

About This Fork

This enhanced fork adds the following features on top of the original:

New Feature	Description
Home Screen Widget	Quick scan access from your home screen
Voice Feedback	Audio announcement of scanned barcodes
Batch Scanning Mode	Queue multiple scans before sending
Bug Fixes	Performance and stability improvements

Features

Core Features

• Scan barcodes using your phone's camera
• Send scanned data to PC via Bluetooth HID (no PC software needed)
• Works on Android 9+ devices
• No internet connection required
• Supports all major barcode formats (QR, Code128, EAN, UPC, etc.)

Home Screen Widget

Quick access to your scanner from anywhere on your phone!

• Shows connection status
• Displays last scanned code
• One-tap to open scanner
• Works offline

Voice Feedback

Never miss a scan with audio announcements!

• Announces scanned barcode value
• Optional barcode format announcement (QR, EAN, etc.)
• Multiple language support
• Adjustable volume

Batch Scanning Mode

Scan multiple items efficiently!

• Queue multiple barcodes before sending
• Send all queued items with one tap
• Configurable delay between items
• Edit or remove items from queue

Original Features

• Scan history with export (Text, JSON, CSV)
• Multiple keyboard layouts
• Template engine with custom placeholders
• Regex filtering and capture groups
• JavaScript processing
• Auto-connect with last device
• Auto-send on detection

Screenshots

Devices	Scanner

Installation

Build from Source

# Clone the repository
git clone https://github.com/MysticDevloper/hid-barcode-scanner.git
cd hid-barcode-scanner

# Build debug APK
./gradlew assembleDebug

# APK will be at: app/build/outputs/apk/debug/app-debug.apk

Supported Barcode Types

Linear Codes	2D Codes
EAN-8, EAN-13	QR Code
UPC-A, UPC-E	Data Matrix
Code 39, Code 93	Aztec
Code 128	PDF 417
ITF	MaxiCode
Codabar	DotCode
RSS-14

Multi-Language Support

• English (default)
• German (Deutsch)
• Arabic (العربية)
• Polish (Polski)

Tech Stack

• Language: Kotlin
• Min SDK: 29 (Android 9)
• Target SDK: 34 (Android 14)
• Barcode Library: ZXing C++
• UI: Jetpack Compose
• Architecture: MVVM with Clean Architecture

Project Structure

app/
├── src/main/
│   ├── java/dev/fabik/bluetoothhid/
│   │   ├── bt/           # Bluetooth HID implementation
│   │   ├── ui/           # UI components
│   │   ├── utils/        # Utilities (VoiceFeedback, Batch)
│   │   ├── widget/       # Home screen widget
│   │   ├── Scanner.kt    # Main scanner logic
│   │   ├── Settings.kt   # Settings management
│   │   └── Devices.kt   # Device management
│   └── res/
│       ├── values/       # English strings
│       ├── values-de-rDE/ # German
│       ├── values-ar/    # Arabic
│       └── values-pl-rPL/ # Polish

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the GPL-3.0 License - see the LICENSE file for details.

Acknowledgments

Project	Description	Link
Original App	The foundation of this project - an amazing Bluetooth HID barcode scanner	Fabi019/hid-barcode-scanner
ZXing C++	Multi-format 1D/2D barcode image processing library	zxing-cpp
Google ML Kit	On-device barcode scanning	ML Kit Barcode

---

Star this repo if you find it useful!