qr_flutter 1.1.0

A QR code library for Flutter.

QR.Flutter is a QR code generation and rendering library for Flutter.

Features

• Built on QR - Dart
• Supports QR code versions 1 - 40
• Error correction / redundancy
• Configurable output size, padding, background and foreground colors
• No internet connection required

Installing

You can install the package by adding the following lines to your pubspec.yaml:

dependencies:
  qr_flutter: ^1.1.0

After adding the dependency to your pubspec.yaml you can run: pub get or flutter packages get if you're using Flutter.

Getting started

To start, import the dependency in your code:

import 'package:qr_flutter/qr_flutter.dart';

Next, to render a basic QR code you can do as such:

new QrImage(
  data: "1234567890",
  size: 200.0,
),

Depending on your data requirements you may want to tweak the QR code output:

Property	Type	Description
version	int	A value between 1 and 40. See http://www.qrcode.com/en/about/version.html for details.
errorCorrectionLevel	int	A value defined on QrErrorCorrectLevel. e.g.: QrErrorCorrectLevel.L.
size	double	The (square) size of the image
padding	EdgeInsets	Padding surrounding the QR code data
backgroundColor	Color	The background color (default is none)
foregroundColor	Color	The foreground color (default is black)

Demo

See the example directory for a basic working example.

Authors

• Luke Freeman (@lukeaf)