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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,113 +1,20 @@ | ||
| import 'package:flutter/material.dart'; | ||
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| void main() { | ||
| runApp(MyApp()); | ||
| } | ||
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| class MyApp extends StatelessWidget { | ||
| // This widget is the root of your application. | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return MaterialApp( | ||
| title: 'Flutter Demo', | ||
| theme: ThemeData( | ||
| // This is the theme of your application. | ||
| // | ||
| // Try running your application with "flutter run". You'll see the | ||
| // application has a blue toolbar. Then, without quitting the app, try | ||
| // changing the primarySwatch below to Colors.green and then invoke | ||
| // "hot reload" (press "r" in the console where you ran "flutter run", | ||
| // or simply save your changes to "hot reload" in a Flutter IDE). | ||
| // Notice that the counter didn't reset back to zero; the application | ||
| // is not restarted. | ||
| primarySwatch: Colors.blue, | ||
| ), | ||
| home: MyHomePage(title: 'Flutter Demo Home Page'), | ||
| ); | ||
| } | ||
| } | ||
| import 'screens/Home.dart'; | ||
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| class MyHomePage extends StatefulWidget { | ||
| MyHomePage({Key? key, required this.title}) : super(key: key); | ||
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| // This widget is the home page of your application. It is stateful, meaning | ||
| // that it has a State object (defined below) that contains fields that affect | ||
| // how it looks. | ||
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| // This class is the configuration for the state. It holds the values (in this | ||
| // case the title) provided by the parent (in this case the App widget) and | ||
| // used by the build method of the State. Fields in a Widget subclass are | ||
| // always marked "final". | ||
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| final String title; | ||
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| @override | ||
| _MyHomePageState createState() => _MyHomePageState(); | ||
| void main() { | ||
| runApp(MainWidget()); | ||
| } | ||
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| class _MyHomePageState extends State<MyHomePage> { | ||
| int _counter = 0; | ||
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| void _incrementCounter() { | ||
| setState(() { | ||
| // This call to setState tells the Flutter framework that something has | ||
| // changed in this State, which causes it to rerun the build method below | ||
| // so that the display can reflect the updated values. If we changed | ||
| // _counter without calling setState(), then the build method would not be | ||
| // called again, and so nothing would appear to happen. | ||
| _counter++; | ||
| }); | ||
| } | ||
| class MainWidget extends StatelessWidget { | ||
| const MainWidget({Key? key}) : super(key: key); | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| // This method is rerun every time setState is called, for instance as done | ||
| // by the _incrementCounter method above. | ||
| // | ||
| // The Flutter framework has been optimized to make rerunning build methods | ||
| // fast, so that you can just rebuild anything that needs updating rather | ||
| // than having to individually change instances of widgets. | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| // Here we take the value from the MyHomePage object that was created by | ||
| // the App.build method, and use it to set our appbar title. | ||
| title: Text(widget.title), | ||
| ), | ||
| body: Center( | ||
| // Center is a layout widget. It takes a single child and positions it | ||
| // in the middle of the parent. | ||
| child: Column( | ||
| // Column is also a layout widget. It takes a list of children and | ||
| // arranges them vertically. By default, it sizes itself to fit its | ||
| // children horizontally, and tries to be as tall as its parent. | ||
| // | ||
| // Invoke "debug painting" (press "p" in the console, choose the | ||
| // "Toggle Debug Paint" action from the Flutter Inspector in Android | ||
| // Studio, or the "Toggle Debug Paint" command in Visual Studio Code) | ||
| // to see the wireframe for each widget. | ||
| // | ||
| // Column has various properties to control how it sizes itself and | ||
| // how it positions its children. Here we use mainAxisAlignment to | ||
| // center the children vertically; the main axis here is the vertical | ||
| // axis because Columns are vertical (the cross axis would be | ||
| // horizontal). | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: <Widget>[ | ||
| Text( | ||
| 'You have pushed the button this many times:', | ||
| ), | ||
| Text( | ||
| '$_counter', | ||
| style: Theme.of(context).textTheme.headline4, | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| floatingActionButton: FloatingActionButton( | ||
| onPressed: _incrementCounter, | ||
| tooltip: 'Increment', | ||
| child: Icon(Icons.add), | ||
| ), // This trailing comma makes auto-formatting nicer for build methods. | ||
| return MaterialApp( | ||
| title: 'Flutter Theme', | ||
| home: HomeScreen(), | ||
| routes: {}, | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| import 'package:flutter/material.dart'; | ||
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| class HomeScreen extends StatefulWidget { | ||
| const HomeScreen({Key? key}) : super(key: key); | ||
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| @override | ||
| _HomeScreenState createState() => _HomeScreenState(); | ||
| } | ||
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| class _HomeScreenState extends State<HomeScreen> { | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| body: Center( | ||
| child: Text("Hello World!"), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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