qrbar 0.0.1

A lightweight Flutter package to scan and generate QR codes and barcodes with a clean and unified API.

📦 qrbar

qrbar is a lightweight Flutter package for scanning and generating QR codes and barcodes.
It wraps common functionality into a clean, unified API — making it easy to integrate with any Flutter app.

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✨ Features

• 📷 Scan QR codes and various barcodes using the device camera
• 🧾 Generate QR codes or barcodes as Flutter widgets
• 🎨 Customizable output: size, foreground/background color
• 🔒 Clean and minimal API with no third-party exposure
• 🔁 Supports multiple formats including QR, Code128, EAN13, UPC, PDF417, Aztec, DataMatrix

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✅ Platform Support

Platform	Generate	Scan
Android	✅	✅
iOS	✅	✅
Web	✅ (QR only)	❌
Windows	✅ (QR only)	❌
macOS	✅ (QR only)	❌
Linux	✅ (QR only)	❌

⚠️ Camera-based scanning is only supported on Android and iOS.

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🚀 Installation

Add the dependency to your pubspec.yaml:

dependencies:
  qrbar: ^0.0.1

Then run:

flutter pub get

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⚙️ Platform Setup (for Scanning)

Android

In android/app/src/main/AndroidManifest.xml:

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

In android/app/build.gradle:

minSdkVersion 21

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iOS

In ios/Runner/Info.plist:

<key>NSCameraUsageDescription</key>
<string>Camera access is required for scanning QR and barcodes.</string>

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💡 Quick Usage

Generate a QR Code

import 'package:qrbar/qrbar.dart';

QrBarGenView(
  data: 'https://example.com',
  type: QrBarType.qr,
  size: 200,
);

Generate a Barcode

QrBarGenView(
  data: '1234567890',
  type: QrBarType.c128,
  size: 200,
);

Scan a QR or Barcode

QrBarScanView(
  onScan: (QrBarScanResult result) {
    print('Scanned: ${result.value} (${result.type.label})');
  },
);

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🧱 API Reference

Code Type

enum QrBarType {
  qr, c128, ean13, upc, pdf417, aztec, dm
}

Generator Config

class QrBarGenOpts {
  final String data;
  final QrBarType type;
  final double size;
  final Color bg;
  final Color fg;
}

Scan Result

class QrBarScanResult {
  final String value;
  final QrBarType type;
  final DateTime time;
}

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📂 Example App

A full working demo is available in the example/ folder.

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🔗 Repository

github.com/sovanken/qrbar

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📄 License

MIT License © 2025 Sovanken