state_repository 1.0.0

Manage State without create Widgets on the tree, the widgets sign for notificationchanges then the repository notify the Widget do rebuild when data changes, repositories can be shared easily across widgets.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:state_repository/state_repository.dart';
import 'repository/Counter.dart';
import 'widgets/MyButtomBar.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Repository 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 Repository Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends NotifiableState<MyHomePage> {
  //int _counter = 0;
  @override
  void initState() {
    CounterRepo testRepo = CounterRepo();
    testRepo.count = 2;
    //testRepo.addListener(this); //direct
    //Repository.notifyMeChangesOf<TestRepository>(this); // for default (only one)
    Repository.notifyMeChangesOf<CounterRepo>(this, testRepo); // for especific
    super.initState();
  }

  void _incrementCounter() {
    Repository.of<CounterRepo>(this).increment();
  }

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      appBar: AppBar(

        title: Text(widget.title),
      ),
      body: Center(

        child: Column(

          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '${Repository.of<CounterRepo>(this).count}',
              style: Theme.of(context).textTheme.display1,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ),
      bottomNavigationBar: MyButtomBar(),
    ); 
  }
}