flutter_scandit_plugin 3.0.0

Flutter Plugin for Scandit Barcode Scanning on Android and iOS

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_scandit_plugin/flutter_scandit_plugin.dart';
import 'package:permission_handler/permission_handler.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: ExampleScreen(),
    );
  }
}

class ExampleScreen extends StatefulWidget {
  @override
  _ExampleScreenState createState() => _ExampleScreenState();
}

class _ExampleScreenState extends State<ExampleScreen> {
  String _message = '';
  PermissionStatus? _cameraPermissionsStatus;
  ScanditController? _controller;

  Future _requestCameraPermissions() async {
    var status = await Permission.camera.status;
    if (!status.isGranted) {
      status = await Permission.camera.request();
    }

    if (_cameraPermissionsStatus != status) {
      setState(() {
        _cameraPermissionsStatus = status;
      });
    }

    if (_cameraPermissionsStatus != PermissionStatus.granted) {
      _message = "Permissions problem";
    }
  }

  @override
  void initState() {
    super.initState();

    WidgetsBinding.instance
        .addPostFrameCallback((_) => _requestCameraPermissions());
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Scandit Example"),
      ),
      body: Stack(
        children: [
          if (_cameraPermissionsStatus == PermissionStatus.granted)
            Scandit(
              scanned: _handleBarcodeResult,
              onError: (e) => setState(() => _message = e.message),
              onScanditCreated: (controller) => _controller = controller,
              licenseKey:
                  "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", //'INSERT YOUR TEST KEY',
            ),
          Center(
            child: Container(
              width: 300,
              height: 200,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(40),
                border: Border.all(color: Colors.teal),
              ),
            ),
          ),
          Center(child: Text(_message)),
          Align(
            alignment: Alignment.bottomLeft,
            child: Padding(
              padding: const EdgeInsets.all(8.0),
              child: FloatingActionButton(
                backgroundColor: Colors.blue,
                onPressed: () => _controller?.stopCamera(),
                child: const Icon(Icons.stop),
              ),
            ),
          ),
          Align(
            alignment: Alignment.bottomRight,
            child: Padding(
              padding: const EdgeInsets.all(8.0),
              child: FloatingActionButton(
                backgroundColor: Colors.blue,
                onPressed: () => _controller?.startCamera(),
                child: const Icon(Icons.play_arrow),
              ),
            ),
          ),
        ],
      ),
    );
  }

  void _handleBarcodeResult(BarcodeResult result) {
    showDialog<void>(
      context: context,
      barrierDismissible: false,
      builder: (BuildContext context) {
        return AlertDialog(
          title: const Text('Barcode scanned'),
          content: Text('The barcode is ${result.data}'),
          actions: [
            TextButton(
              onPressed: () => Navigator.of(context).pop(),
              child: const Text('Stop'),
            ),
            TextButton(
              onPressed: () {
                Navigator.of(context).pop();
                _controller?.resumeBarcodeScanning();
              },
              child: const Text('Continue'),
            ),
          ],
        );
      },
    );
  }
}