flutter_camera_qrcode_scanner 2.0.0

A lightweight Flutter camera widget for QR code scanning and barcode scanning, supporting Android and iOS.

Flutter QR Code Scanner

A lightweight Flutter barcode and QR code scanner plugin implemented with Dynamsoft Camera Enhancer and Dynamsoft Barcode Reader.

Supported Platforms

• Android
• iOS

Mobile Camera and Barcode SDK Version

• Dynamsoft Camera Enhancer 2.1.3
• Dynamsoft Barcode Reader 9.0.1

Build Configuration

Android

Change the minimum Android sdk version to 21 (or higher) and change the compile sdk version to 31 (or higher) in your android/app/build.gradle file.

minSdkVersion 21
compileSdkVersion 31

iOS

Add camera access permission to ios/Runner/Info.plist:

<key>NSCameraUsageDescription</key>
<string>Can I use the camera please?</string>
<key>NSMicrophoneUsageDescription</key>
<string>Can I use the mic please?</string>

Try Real-time QR Code Scanning

cd example
flutter run

Usage

• Create a QR code scanner view:

  ScannerViewController? controller;
  ScannerView(onScannerViewCreated: onScannerViewCreated);
  void onScannerViewCreated(ScannerViewController controller) {
      setState(() {
        this.controller = controller;
      });
      controller.scannedDataStream.listen((results) {
          
      });
    }
  

• Get a 30-day trial license to activate QR code detection API.

  await controller.setLicense(
      'DLS2eyJoYW5kc2hha2VDb2RlIjoiMjAwMDAxLTE2NDk4Mjk3OTI2MzUiLCJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSIsInNlc3Npb25QYXNzd29yZCI6IndTcGR6Vm05WDJrcEQ5YUoifQ==');
  

• Initialize barcode and QR code scanner:

  await controller.init();
  

• Use controller to start and stop real-time QR code scanning.

  await controller.startScanning();
  await controller.stopScanning();