serial_task_executor 0.0.1

A Dart package providing a simple and efficient way to execute tasks serially.

example/lib/main.dart

import 'dart:async';

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

void main() {
  runApp(const MyApp());
}

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

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

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  final _serialTaskExecutor = SerialTaskExecutor();

  void _incrementCounter() {
    unawaited(
      _serialTaskExecutor.executeTask(() async {
        final counter = await _calculateCounterValue();
        if (mounted) {
          setState(() {
            _counter = counter;
          });
        }
      }),
    );
  }

  Future<int> _calculateCounterValue() async {
    final value = await Future.delayed(
      const Duration(milliseconds: 350),
      () => _counter + 1,
    );

    return value;
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}