qr_flutter 2.1.0+55

QR.Flutter is a Flutter library for simple and fast QR code rendering via a Widget or custom painter.

example/lib/main.dart

import 'package:flutter/material.dart';

import 'screens/main.screen.dart';

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

class App extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'QR code demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MainScreen(),
      debugShowCheckedModeBanner: false,
    );
  }
}