🟢 Oi QR Scanner

Scan. Detect. Protect.

The world's most beautiful QR & Barcode scanner — built for privacy, speed, and style.

⬇️ Download APK  ·  🐛 Report Bug  ·  ✨ Request Feature

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📖 Overview

Oi QR Scanner is a premium, open-source utility app for Android & iOS — built with Flutter and powered by Google ML Kit. It combines blazing-fast on-device scanning with a stunning Neon Bento UI design system, real-time URL safety checks, and biometric-grade security.

No internet. No ads. No compromise.

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✨ Features

Feature	Description
🛡️ Safety Shield	Real-time URL risk detection — flags shorteners, HTTP links & malicious URLs before you tap
⚡ Blazing Speed	Scan detection in as little as 0.04 seconds, even in low-light
🍱 Bento Grid UI	Staggered history layout with Glassmorphic cards and smooth shared-axis transitions
🎨 Neon Dark Theme	Deep slate + neon green palette with high-contrast legibility
🔒 Biometric Lock	Face ID / Fingerprint authentication to protect your scan history
📄 PDF & CSV Export	Generate professional reports from your scan history
🔦 Flashlight Toggle	Instant torch control for dark environments
🔊 Tactile Feedback	Double-tap haptics + cyber-chime audio on successful scans
🤫 100% Ad-Free	No banners. No interstitials. No tracking. Ever.

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🛠️ Tech Stack

🏗️  Framework     →  Flutter (^3.11.1)
🧠  ML Engine     →  Google ML Kit (On-Device Barcode & Text)
📷  Scanner       →  Mobile Scanner (DetectionSpeed.unrestricted)
🗄️  Database      →  SQLite (Local Persistence)
🔐  Auth          →  Local Biometric (Face / Fingerprint)
📤  Export        →  PDF & CSV Generator

Supported Barcode Formats: QR Code · EAN-13 · EAN-8 · UPC-A · UPC-E · Code 128 · Code 39 · ITF · PDF417 · Aztec · Data Matrix

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🚀 Getting Started

Prerequisites

• Flutter SDK ^3.11.1
• Android API 21+ or iOS 12.0+
• Dart ^3.0

Installation

# 1. Clone the repository
git clone https://github.com/Shuvo-code-dev/Oi-QR-Scanner.git

# 2. Navigate to project directory
cd Oi-QR-Scanner

# 3. Install dependencies
flutter pub get

# 4. Run in release mode
flutter run --release

💡 Tip: Always run in --release mode for accurate performance benchmarks.

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🔒 Privacy & Security

Your data never leaves your device. Period.

• ✅ 100% On-Device Processing — no data sent to any server
• ✅ No Cloud Dependency — all ML runs locally via Google ML Kit
• ✅ No Analytics / Tracking — zero third-party data collection
• ✅ Biometric Protection — optional Face/Fingerprint lock on history
• ✅ Encrypted Local Storage — exports saved to protected app directories

For full details, see SECURITY.md

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🤝 Contributing

Contributions are welcome! Feel free to:

1. Fork the repository
2. Create a feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

For bugs or feature requests, please open an issue.

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📜 License

This project is licensed under the MIT License — see the LICENSE file for details.

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© 2026 Oi Applications

Proudly made with ❤️ in Bangladesh 🇧🇩

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