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Description:
qrcode component
QRCodeComponent #
QRCodeComponent is a Flutter widget that allows you to generate QR codes easily within your Flutter applications. It provides various customization options and supports rendering QR codes as canvas, SVG, or image elements.
Installation #
To use this package, add qrcode_component as a dependency in your pubspec.yaml file.
dependencies:
qrcode_component: ^2.1.0
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Then, import the package in your Dart code:
import 'package:qrcode_component/qr_code.dart';
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Usage #
Simply add the QRCodeComponent widget to your Flutter UI tree and configure it with the desired properties.
QRCodeComponent(
qrData: 'Hello, World!',
width: 200,
height: 200,
errorCorrectionLevel: QrErrorCorrectLevel.L,
color: Colors.black,
backgroundColor: Colors.white,
imageUrl: 'assets/images/logo.png',
imageSrc: 'https://fujifilm-x.com/wp-content/uploads/2021/01/gfx100s_sample_04_thum-1.jpg',
onStartGenerate: () => {
print('start')
},
onFinishGenerate: () => {
print('end')
},
),
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Properties #
color: The color of the dark modules in the QR code. // default: black
backgroundColor: The color of the light modules in the QR code. // default: white
imageSrc: The image source URL or path from local assets to overlay on the QR code. // default: null
imageUrl: The image source URL or path from external assets to overlay on the QR code. // default: null
width: The width of the QR code. // default: 200
height: The height of the QR code. // default: 200
qrData: The data to encode in the QR code. // required
errorCorrectionLevel: The error correction level of the QR code. // default: 1
static const int L = 1;
static const int M = 0;
static const int Q = 3;
static const int H = 2;
onStartGenerate: The onStartGenerate callback is invoked at the beginning of the QR code generation process.
onFinishGenerate: The onFinishGenerate callback is invoked when the QR code generation process has finished.
version: The version (size) of the QR code.
Examples #
There is a simple, working, example Flutter app in the /example directory. You can use it to play with all
the options.
Also, the following examples give you a quick overview on how to use the library.
A basic QR code will look something like:
QRCodeComponent(
qrData: 'Your QR Code Data Here', // Provide the data for the QR code
)
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Outro #
Credits #
Thanks to Kevin Moore for his awesome QR - Dart library. It's the core of this library.
For author/contributor information, see the AUTHORS file.
Contributing #
Contributions are welcome! Please feel free to submit bug reports, feature requests, or pull requests.
License #
This package is licensed under the MIT License. See the LICENSE file for details.
You can save this content to a file named README.md in your project directory, and it will be ready to be used as the README file for your Flutter package.
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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