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@@ -1,117 +1,108 @@
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import 'package:flutter/material.dart';
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+import 'package:async_redux/async_redux.dart';
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-void main() {
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- runApp(MyApp());
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+class GlobalState {
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+ String name;
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+
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+ GlobalState({
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+ @required this.name,
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+ });
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}
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-class MyApp extends StatelessWidget {
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- // This widget is the root of your application.
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+class NameSetAction extends ReduxAction<GlobalState> {
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+ final String newName;
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+
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+ NameSetAction({@required this.newName}) : assert(newName != null);
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+
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@override
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- Widget build(BuildContext context) {
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- return MaterialApp(
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- title: 'Flutter Demo',
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- theme: ThemeData(
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- // This is the theme of your application.
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- //
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- // Try running your application with "flutter run". You'll see the
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- // application has a blue toolbar. Then, without quitting the app, try
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- // changing the primarySwatch below to Colors.green and then invoke
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- // "hot reload" (press "r" in the console where you ran "flutter run",
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- // or simply save your changes to "hot reload" in a Flutter IDE).
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- // Notice that the counter didn't reset back to zero; the application
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- // is not restarted.
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- primarySwatch: Colors.blue,
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- // This makes the visual density adapt to the platform that you run
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- // the app on. For desktop platforms, the controls will be smaller and
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- // closer together (more dense) than on mobile platforms.
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- visualDensity: VisualDensity.adaptivePlatformDensity,
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- ),
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- home: MyHomePage(title: 'Flutter Demo Home Page'),
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- );
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+ GlobalState reduce() {
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+ state.name = newName;
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+ return state;
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}
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}
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-class MyHomePage extends StatefulWidget {
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- MyHomePage({Key key, this.title}) : super(key: key);
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+GlobalState initialState = new GlobalState(
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+ name: '',
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+ );
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- // This widget is the home page of your application. It is stateful, meaning
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- // that it has a State object (defined below) that contains fields that affect
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- // how it looks.
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+var store = Store<GlobalState>(initialState: initialState);
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- // This class is the configuration for the state. It holds the values (in this
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- // case the title) provided by the parent (in this case the App widget) and
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- // used by the build method of the State. Fields in a Widget subclass are
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- // always marked "final".
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+void main() {
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+ runApp(Gmus(store: store));
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+}
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+
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+class Gmus extends StatelessWidget {
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+ final Store<GlobalState> store;
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- final String title;
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+ Gmus({
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+ Key key,
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+ @required this.store,
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+ }) : super(key: key);
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@override
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- _MyHomePageState createState() => _MyHomePageState();
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+ Widget build(BuildContext context) => StoreProvider<GlobalState>(
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+ store: this.store,
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+ child: MaterialApp(
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+ title: 'gmus-mobile',
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+ home: GmusConnector(),
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+ ),
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+ );
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}
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-class _MyHomePageState extends State<MyHomePage> {
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- int _counter = 0;
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-
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- void _incrementCounter() {
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- setState(() {
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- // This call to setState tells the Flutter framework that something has
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- // changed in this State, which causes it to rerun the build method below
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- // so that the display can reflect the updated values. If we changed
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- // _counter without calling setState(), then the build method would not be
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- // called again, and so nothing would appear to happen.
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- _counter++;
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- });
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+class GmusConnector extends StatelessWidget {
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+ GmusConnector({Key key}) : super(key: key);
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+
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+ @override
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+ Widget build(BuildContext context) {
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+ return StoreConnector<GlobalState, ViewModel>(
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+ vm: () => Factory(this),
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+ builder: (BuildContext context, ViewModel vm) => GmusHome(
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+ state: vm.state,
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+ onSetName: vm.onSetName,
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+ ),
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+ );
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}
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+}
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+
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+class Factory extends VmFactory<GlobalState, GmusConnector> {
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+ Factory(widget) : super(widget);
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+
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+ @override
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+ ViewModel fromStore() => ViewModel(
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+ state: state,
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+ onSetName: (String newName) => dispatch(NameSetAction(newName: newName)),
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+ );
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+}
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+
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+class ViewModel extends Vm {
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+ final GlobalState state;
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+ final Function(String) onSetName;
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+
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+ ViewModel({
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+ @required this.state,
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+ @required this.onSetName,
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+ }) : super(equals: [state]);
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+}
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+
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+class GmusHome extends StatelessWidget {
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+ final GlobalState state;
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+ final Function(String) onSetName;
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+
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+ GmusHome({
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+ Key key,
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+ this.state,
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+ this.onSetName,
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+ }) : super(key: key);
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@override
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Widget build(BuildContext context) {
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- // This method is rerun every time setState is called, for instance as done
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- // by the _incrementCounter method above.
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- //
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- // The Flutter framework has been optimized to make rerunning build methods
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- // fast, so that you can just rebuild anything that needs updating rather
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- // than having to individually change instances of widgets.
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return Scaffold(
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- appBar: AppBar(
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- // Here we take the value from the MyHomePage object that was created by
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- // the App.build method, and use it to set our appbar title.
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- title: Text(widget.title),
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- ),
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- body: Center(
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- // Center is a layout widget. It takes a single child and positions it
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- // in the middle of the parent.
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- child: Column(
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- // Column is also a layout widget. It takes a list of children and
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- // arranges them vertically. By default, it sizes itself to fit its
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- // children horizontally, and tries to be as tall as its parent.
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- //
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- // Invoke "debug painting" (press "p" in the console, choose the
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- // "Toggle Debug Paint" action from the Flutter Inspector in Android
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- // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
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- // to see the wireframe for each widget.
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- //
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- // Column has various properties to control how it sizes itself and
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- // how it positions its children. Here we use mainAxisAlignment to
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- // center the children vertically; the main axis here is the vertical
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- // axis because Columns are vertical (the cross axis would be
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- // horizontal).
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- mainAxisAlignment: MainAxisAlignment.center,
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- children: <Widget>[
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- Text(
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- 'You have pushed the button this many times:',
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+ appBar: AppBar(
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+ title: Text('gmus'),
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),
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- Text(
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- '$_counter',
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- style: Theme.of(context).textTheme.headline4,
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+ body: Center(
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+ child: Text("name: ${this.state.name}"),
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),
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- ],
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- ),
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- ),
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- floatingActionButton: FloatingActionButton(
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- onPressed: _incrementCounter,
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- tooltip: 'Increment',
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- child: Icon(Icons.add),
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- ), // This trailing comma makes auto-formatting nicer for build methods.
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- );
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+ );
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}
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}
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