scanner_plus

A high-performance, federated Flutter plugin for barcode and QR code scanning. Built with a unified Rust core (ZXing) and native platform support (ML Kit / Apple Vision).

Features

• 🚀 High Performance: Native decoding on Android (ML Kit), iOS and macOS (Apple Vision).
• 🦀 Rust Powered: High-speed, consistent decoding on Windows and Linux, with fallback support on other platforms via a unified Rust core.
• 🌍 Universal: Full support for Android, iOS, Windows, Linux, macOS, and Web.
• 🛠️ Adaptive Strategy: Automatically uses the best available decoder for the platform, with manual override support.
• ✨ Professional UX: Includes a customizable scanning overlay with animated line and haptic feedback.

Supported Platforms

Platform	Decoder	Status
Android	ML Kit / Rust	✅ Supported
iOS	Apple Vision / Rust	✅ Supported
Windows	Rust (ZXing)	✅ Supported
Linux	Rust (ZXing)	✅ Supported
macOS	Rust (ZXing)	✅ Supported
Web	Browser API / JS	✅ Supported

Getting Started

1. Add dependency

dependencies:
  scanner_plus: ^0.0.1

2. Platform Configuration

Android

Add the camera permission to your AndroidManifest.xml:

<uses-permission android:name="android.permission.CAMERA" />

iOS

Add the camera usage description to your Info.plist:

<key>NSCameraUsageDescription</key>
<string>This app needs camera access to scan QR codes.</string>

3. Usage

import 'package:scanner_plus/scanner_plus.dart';

// 1. Initialize Controller
final controller = ScannerPlusController();
await controller.initialize();

// 2. Listen for captures
controller.captures.listen((capture) {
  print('Detected: ${capture.barcodes.first.rawValue}');
});

// 3. Display Scanner View
@override
Widget build(BuildContext context) {
  return Stack(
    children: [
      ScannerPlusView(controller: controller),
      const ScannerPlusOverlay(borderColor: Colors.blue),
    ],
  );
}

// 4. Start scanning
controller.start();

License

MIT