majascan

pub link
A QR code scanner flutter plugin project.
Using method channel open native camera page scan qr code.

Installation

1. Depend on it

Add this to your package's pubspec.yaml file:

dependencies:  
  majascan: ^0.4.0

2. Install it

You can install packages from the command line:
with Flutter:

$ flutter packages get  

3. Import it

Now in your Dart code, you can use:

import 'package:majascan/majascan.dart';  

iOS

Add the the camera usage description to your Info.plist

<key>NSCameraUsageDescription</key>  
<string>Camera permission is required for qrcode scanning.</string>  

Android

For Android, you must do the following before you can use the plugin:
Add the QrCodeScannerActivity to your AndroidManifest.xml
<activity android:name="com.djgeo.majascan.g_scanner.QrCodeScannerActivity"/>

Example

String qrResult = await MajaScan.startScan(
   title: “QRcode scanner”, 
   barColor: Colors.red, 
   titleColor: Colors.green, 
   qRCornerColor: Colors.blue,
   qRScannerColor: Colors.deepPurple,
   flashlightEnable: true, 
   scanAreaScale: 0.7 /// value 0.0 to 1.0
);

Parameters

title : Navigation bar title.

barColor : Navigation bar color.

titleColor : Navigation bar title color (include back icon).

qRCornerColor : Square color.

qRScannerColor : Scanner line color.

flashlightEnable : Flashlight button enable flag.

scanAreaScale : Center scan area size scale.