🔍 QRFusion

QRFusion is a modern QR code scanning and sharing app built with SwiftUI and The Composable Architecture (TCA). It offers a seamless experience for scanning QR codes via camera, extracting them from the gallery, and displaying your own wallet address as a custom-branded QR code.

📷 Live camera scan · 🖼 Gallery import · 🎨 Custom QR with logo · 📤 Share & copy · ⚙️ Built with TCA

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✨ Features

• 📷 Live camera scanning using AVFoundation
• 🖼️ Scan from gallery with PHPicker + Vision
• 🔲 Custom QR generation with color, logo overlay & rounded modules
• 🟨 Highlight detected QR code with animated yellow frame
• 📤 Export QR as image with ShareLink
• 🌐 Reactive state management via TCA
• 💡 Flashlight control during scanning
• 🔒 Privacy-first design: no tracking, no analytics

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🧠 Architecture

QRFusion is built with The Composable Architecture (TCA), using a modular and scalable approach:

Main Modules

AppFeature
├── ScanFeature // Handles camera scanning and QR recognition
├── PreviewFeature // Shows user's wallet QR code with share/copy
└── CameraService // Manages AVCaptureSession, metadata, flashlight

• ✅ @Reducer and @CasePathable for feature boundaries
• 📦 @PresentationState for sheets and modals
• 📸 AVCaptureSession with live preview and QR metadata detection
• 🧠 Vision framework for barcode detection in gallery images
• 🧬 CoreImage for custom QR code rendering

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📱 Screenshots

Scan QR	Wallet QR Preview

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🧪 Tech Stack

• Swift 5.9+
• iOS 16+
• Xcode 15+
• SwiftUI
• ComposableArchitecture
• AVFoundation
• Vision
• CoreImage
• PhotosUI

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📦 Installation

git clone https://github.com/mustafos/QRFusion.git
cd ScannerApp
open ScannerApp.xcodeproj

🚨 Note: Camera features require a real device. Simulator won't work for scanning.

🧾 License

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