stateful_widget_binder 1.0.2

A lightweight, type-safe Flutter package to bind controllers to StatefulWidget with automatic lifecycle management and reactivity.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:stateful_widget_binder/stateful_widget_binder.dart';

import 'pure_controller_example.dart';

void main() {
  runApp(const MaterialApp(home: HomePage()));
}

/// A simple controller for the example app.
class CounterController extends ListenableController {
  int _count = 0;
  int get count => _count;

  void increment() {
    _count++;
    notifyListeners();
  }

  void decrement() {
    _count--;
    notifyListeners();
  }

  @override
  void dispose() {
    debugPrint('CounterController disposed');
    super.dispose();
  }
}

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

  @override
  Widget build(BuildContext context) {
    return ExampleWidget(controller: CounterController());
  }
}

class ExampleWidget extends StatefulWidgetBinder {
  const ExampleWidget({super.key, required super.controller});

  @override
  State<ExampleWidget> createState() => _ExampleWidgetState();
}

class _ExampleWidgetState extends StateController<ExampleWidget, CounterController> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('StatefulWidgetBinder Example')),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            const Text('Count:'),
            Text('${controller.count}', style: Theme.of(context).textTheme.headlineMedium),
            const SizedBox(height: 20),
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                ElevatedButton(onPressed: controller.decrement, child: const Icon(Icons.remove)),
                const SizedBox(width: 20),
                ElevatedButton(onPressed: controller.increment, child: const Icon(Icons.add)),
              ],
            ),
            const SizedBox(height: 40),
            ElevatedButton(
              onPressed: () {
                Navigator.of(context).push(
                  MaterialPageRoute(builder: (context) => PureControllerWidget(controller: LogManager())),
                );
              },
              style: ElevatedButton.styleFrom(backgroundColor: Colors.blueGrey, foregroundColor: Colors.white),
              child: const Text('Open Pure Controller Example'),
            ),
          ],
        ),
      ),
    );
  }
}