qr_scanner_flutter 0.0.1-dev.1

Flutter Plugin to scan QR code using camera.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:flutter_qr_scanner_example/qr_scan_view.dart';
import 'package:qr_scanner_flutter/qr_scanner_flutter.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  final _flutterQrScanPlugin = FlutterQrScanner();

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

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion = await _flutterQrScanPlugin.getPlatformVersion() ??
          'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('QR Scanner plugin example'),
        ),
        body: SafeArea(
          child: Column(
            children: [
              Center(
                child: Text('Running on: $_platformVersion\n'),
              ),
              Builder(builder: (context) {
                return ElevatedButton(
                  onPressed: () async {
                    Navigator.of(context).push(
                      MaterialPageRoute(
                        builder: (context) => const QRScanView(),
                      ),
                    );
                  },
                  child: const Text('Start Scan'),
                );
              }),
            ],
          ),
        ),
      ),
    );
  }
}