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();