flutter_apprun 0.8.0 flutter_apprun: ^0.8.0 copied to clipboard
A lightweight, easy-to-use, event-driven state management system, highly inspired by AppRun JS
example/flutter_apprun_example.dart
import 'package:flutter/material.dart';
import 'package:flutter_apprun/flutter_apprun.dart';
int initialState = 0;
int add(int state, int delta) => state + delta;
Map update = {
'add': add,
'+1': (state) => add(state, 1),
'-1': (state) => add(state, -1),
};
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter AppRun Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: HomePage(title: 'Flutter AppRun Demo Home Page'),
);
}
}
class HomePage extends AppRunWidget {
final String title;
HomePage({super.key, required this.title})
: super(state: initialState, update: update);
@override
Widget build(BuildContext context, state) {
return Scaffold(
appBar: AppBar(
title: Text(title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'$state',
style: Theme.of(context).textTheme.headlineMedium,
),
],
),
),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
children: [
FloatingActionButton(
heroTag: 'minus',
// onPressed: () => run('add', -1),
onPressed: () => run('-1'),
tooltip: 'Decrement',
child: const Icon(Icons.remove),
),
FloatingActionButton(
heroTag: 'plus',
// onPressed: () => run('add', 1),
onPressed: () => run('+1'),
tooltip: 'Increment',
child: const Icon(Icons.add),
),
],
),
);
}
}