shirne/zxing_widget

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ZXing Widget(Dart)

A Barcode Generator Widget that can be embedded inside flutter. It uses zxing-dart for all platforms.


ZXing Dart	pub package
ZXing Widget	pub package
ZXing Scanner	pub package

Features

✅ QRCode
✅ PDF417 code
✅ DataMatrix code
✅ AZTec code
✅ OneDemension code
✅ Paint callback
✅ Customize color
✅ to image

Preview

Code Generator Preview

Getting started

flutter pub add zxing_widget

Usage

See /example folder.

Render a qrcode

BarcodeWidget(
    QrcodePainter(
        'qrcode data',
        errorCorrectionLevel: ErrorCorrectionLevel.H,
        foregroundColor: Colors.blue,
    ),
    size: const Size(200, 200),
),

Generate an image

import 'dart:ui' as ui;

final ui.Image image = QrcodePainter(
        'qrcode data',
        errorCorrectionLevel: ErrorCorrectionLevel.H,
        foregroundColor: Colors.blue,
    ).toImage(const Size(200, 200));

// binary png data
final binData = await image.toByteData(format: ui.ImageByteFormat.png);

Additional information

This package depends on zxing_lib witch is a pure dart port of ZXing.

shirne/zxing_widget

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