anchor.diff:  import 'package:connectivity/connectivity.dart';
   
   void main() {
  -  runApp(new MyApp());
  +  runApp(MyApp());
   }
   
   class MyApp extends StatelessWidget {
     // This widget is the root of your application.
     @override
     Widget build(BuildContext context) {
  -    return new MaterialApp(
  +    return MaterialApp(
         title: 'Flutter Demo',
  -      theme: new ThemeData(
  +      theme: ThemeData(
           primarySwatch: Colors.blue,
         ),
  -      home: new MyHomePage(title: 'Flutter Demo Home Page'),
  +      home: MyHomePage(title: 'Flutter Demo Home Page'),
       );
     }
   }
  
positive.code: 
    @override
    Widget build(BuildContext context) {
      return new Scaffold(
        appBar: new AppBar(
          title: const Text('Plugin example app'),
        ),
        body: new Center(
            child: new Text('Connection Status: $_connectionStatus\n')),
      );
    }
  }
  
negative.code:   final String title;
  
    @override
    _MyHomePageState createState() => _MyHomePageState();
  }
  
  class _MyHomePageState extends State<MyHomePage> {
    String _connectionStatus = 'Unknown';
    final Connectivity _connectivity = Connectivity();
    StreamSubscription<ConnectivityResult> _connectivitySubscription;
  
    @override
  