frebu 0.1.1 frebu: ^0.1.1 copied to clipboard
flutter repository builder is a package to help maintain code on data layer.
import 'package:flutter/material.dart';
import 'package:frebu_example/in_memory_repository.dart';
import 'note.dart';
import 'repository.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Frebu Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key}) : super(key: key);
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
TextEditingController controller;
NotesRepository repository;
@override
void initState() {
super.initState();
controller = TextEditingController();
repository = InMemoryNotesRepository();
repository.execute(FetchNotes());
}
@override
void dispose() {
controller.dispose();
repository.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Notes')),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Expanded(
child: StreamBuilder<List<Note>>(
stream: repository.notesStream,
initialData: [],
builder: (context, snapshot) {
final notes = snapshot.data;
return ListView.builder(
itemCount: notes.length,
itemBuilder: (context, i) => ListTile(
title: Text(notes[i].message),
),
);
})),
Divider(),
TextField(
controller: controller,
textInputAction: TextInputAction.next,
onSubmitted: (message) {
repository.execute(AddNote(message));
controller.clear();
},
)
],
),
),
);
}
}