injector_test.dart

import 'package:di_demo/app_kinject_observer.dart';
import 'package:di_demo/counter_bloc.dart';
import 'package:flutter/material.dart';
import 'package:kinject/kinject.dart';

void main() {
  Kinject.observer = AppKinjectObserver();
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Injector Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  const HomePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: ElevatedButton(
          child: const Text('Go to Counter Page'),
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute(
                builder: (_) {
                  return Kinject(
                    factory: (_) => CounterBloc(),
                    builder: (_) => const CounterPage(),
                  );
                },
              ),
            );
          },
        ),
      ),
    );
  }
}

class CounterPage extends StatelessWidget {
  const CounterPage({super.key});

  @override
  Widget build(BuildContext context) {
    final counterBloc = context.resolve<CounterBloc>();

    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: const Text('Counter'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'You have pushed the button this many times:',
            ),
            StreamBuilder<int>(
              stream: counterBloc.count,
              builder: (context, snapshot) {
                return Text(
                  '${snapshot.data}',
                  style: Theme.of(context).textTheme.headlineMedium,
                );
              },
            ),
          ],
        ),
      ),
      floatingActionButton: Row(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          FloatingActionButton(
            onPressed: counterBloc.decrease,
            heroTag: 1,
            child: const Icon(Icons.remove),
          ),
          const SizedBox(width: 16),
          FloatingActionButton(
            onPressed: counterBloc.increase,
            heroTag: 2,
            child: const Icon(Icons.add),
          ),
        ],
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}