osam 5.2.1

State management library inspired SOLID prenciples.

example/lib/main.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:osam/osam.dart';

import 'data/repository.dart';
import 'domain/state.dart';
import 'domain/usecase.dart';
import 'presentation/presenter.dart';

void main() {
  final repoFactory = RepoFactory();

  final countRepository = repoFactory.counterRepo();

  final appState = AppState();

  final useCase = CounterUseCase(countRepository, appState);
  final useCaseContainer = UseCaseContainer([useCase]);

  runApp(UseCaseProvider(
    appState,
    useCaseContainer,
    null,
    child: MyApp(),
  ));
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) {
    return PresenterProvider(
      presenter: MyPresenter(),
      child: MaterialApp(
        home: Scaffold(
          body: Center(
            child: Builder(builder: (context) {
              return Stack(
                children: [
                  RaisedButton(
                    child: const Text(''),
                    onPressed: () {
                      Navigator.of(context).push(CupertinoPageRoute(
                          builder: (_) => Scaffold(
                                appBar: AppBar(),
                              )));
                    },
                  ),
                  Container(
                    color: Colors.transparent,
                  )
                ],
              );
            }),
          ),
        ),
      ),
    );
  }
}

class S1 extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return const Scaffold();
  }
}

class TB extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return RaisedButton(
      child: Icon(Icons.clear),
      onPressed: () {
        context.presenter<MyPresenter>().dispose();
      },
    );
  }
}