qr_code_scanner 0.0.13

Flutter Android iOS

QR code scanner that can be embedded inside flutter. It uses zxing in Android and MTBBarcode scanner in iOS.

QR Code Scanner #

GH Actions

A QR code scanner that works on both iOS and Android by natively embedding the platform view within Flutter. The integration with Flutter is seamless, much better than jumping into a native Activity or a ViewController to perform the scan.

Screenshots #

Android

iOS

Get Scanned QR Code #

When a QR code is recognized, the text identified will be set in 'qrText'.

class _QRViewExampleState extends State<QRViewExample> {
  final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
  var qrText = "";
  QRViewController controller;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        children: <Widget>[
          Expanded(
            flex: 5,
            child: QRView(
              key: qrKey,
              onQRViewCreated: _onQRViewCreated,
            ),
          ),
          Expanded(
            flex: 1,
            child: Center(
              child: Text('Scan result: $qrText'),
            ),
          )
        ],
      ),
    );
  }

  void _onQRViewCreated(QRViewController controller) {
    this.controller = controller;
    controller.scannedDataStream.listen((scanData) {
      setState(() {
        qrText = scanData;
      });
    });
  }

  @override
  void dispose() {
    controller?.dispose();
    super.dispose();
  }
}

iOS Integration #

In order to use this plugin, add the following to your Info.plist file:

<key>io.flutter.embedded_views_preview</key>
<true/>

Flip Camera (Back/Front) #

The default camera is the back camera.

controller.flipCamera();

Flash (Off/On) #

By default, flash is OFF.

controller.toggleFlash();

Resume/Pause #

Pause camera stream and scanner.

controller.pause();

Resume camera stream and scanner.

controller.resume();

SDK #

Requires at least SDK 24 (Android 7.0).

TODOs #

  • iOS Native embedding is written to match what is supported in the framework as of the date of publication of this package. It needs to be improved as the framework support improves.
  • In future, options will be provided for default states.
  • Finally, I welcome PR's to make it better :), thanks

Credits #

88
likes
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pub points
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popularity

QR code scanner that can be embedded inside flutter. It uses zxing in Android and MTBBarcode scanner in iOS.

Homepage
Repository (GitHub)
View/report issues

Documentation

API reference

Uploaders

juliuscanute@gmail.com
dominikspicher@gmail.com

License

BSD (LICENSE)

Dependencies

flutter

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Packages that depend on qr_code_scanner