flutter_inject 1.0.3

A simple dependency injection widget based on standard Flutter's InheritedWidget

example/README.md

flutter_inject_example

The classic counter example to show how it's easy to use the flutter_inject package.

main.dart

    import 'dart:async';
    import 'package:flutter/material.dart';
    import 'package:flutter_inject/flutter_inject.dart';
    
    void main() => runApp(
          const MaterialApp(
            title: 'Counter example with the flutter_inject package',
            home: CounterView(),
          ),
        );
    
    class CounterView extends StatelessWidget {
      const CounterView({super.key});
    
      @override
      Widget build(BuildContext context) {
        return Inject<CounterLogic>(
          factory: (context) => CounterLogic(),
          builder: (context) {
            final logic = Dependency.get<CounterLogic>(context);
            return Scaffold(
              appBar: AppBar(title: const Text('Counter demo')),
              body: Center(
                child: StreamBuilder(
                  initialData: logic.state,
                  stream: logic.controller.stream,
                  builder: (context, snapshot) => Text('Counter: ${snapshot.data}'),
                ),
              ),
              floatingActionButton: FloatingActionButton(
                onPressed: logic.increment,
                child: const Icon(Icons.add),
              ),
            );
          },
        );
      }
    }
    
    class CounterLogic with Disposable {
      int state = 0;
      final controller = StreamController<int>();
    
      void increment() => controller.add(++state);
    
      @override
      void dispose() => controller.close();
    }