tbloc_dart 0.11.0 tbloc_dart: ^0.11.0 copied to clipboard
A dart library that helps you to implement the BLoC pattern.
import 'package:flutter/material.dart';
import 'package:tbloc_dart/tbloc_dart.dart';
import 'counter.bloc.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'tBloC Demo',
theme: ThemeData(primarySwatch: Colors.blue),
home: MyHomePage(title: 'tBloC Demo'),
);
}
}
class MyHomePage extends StatelessWidget {
final String title;
final bloc = CounterBloc();
MyHomePage({Key key, this.title}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(title),
),
body: BlocProvider(
bloc: bloc,
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
MaterialButton(
child: Text('INCREMENT'),
onPressed: () {
bloc.addEvent(CounterBlocEvent.increment());
},
),
MaterialButton(
child: Text('DECREMENT'),
onPressed: () {
bloc.addEvent(CounterBlocEvent.decrement());
},
),
MaterialButton(
child: Text('RESET'),
onPressed: () {
bloc.addEvent(CounterBlocEvent.reset());
},
),
],
),
Text(
'You have pushed the button this many times:',
),
CounterWidget(),
MaterialButton(
child: Text('ERROR'),
onPressed: () => bloc.addEvent(CounterBlocEvent.error()),
),
],
),
),
),
);
}
}
class CounterWidget extends StatelessWidget {
@override
Widget build(BuildContext context) {
final bloc = BlocProvider.of<CounterBloc>(context);
return BlocBuilderWidget(
bloc: bloc,
builder: (BuildContext context, CounterBlocState state) {
return Text(
state.hasError ? state.error.toString() : '${state.counter}',
style: Theme.of(context).textTheme.headline4,
);
},
);
}
}