worker_manager 0.2.1

wrapper an isolate

example/lib/main.dart

import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart';
import 'package:worker_manager/worker_manager.dart';

void main() async {
  await WorkerManager().initManager();
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      showPerformanceOverlay: true,
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key}) : super(key: key);
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  WorkerManager workerManager = WorkerManager();
  int clicks = 0;
  List results = [];
  DateTime time;

  @override
  Widget build(BuildContext context) {
    final task = Task(function: fib, bundle: 40);
    return Scaffold(
      body: Center(
        child: Container(
          height: 350,
          width: 200,
          color: Colors.cyan,
          child: Column(
            children: <Widget>[
              RaisedButton(
                child: Text('fib(40)'),
                onPressed: () async {
                  if (time == null) time = DateTime.now();
                  workerManager.manageWork(task: task).listen((sr) {
                    setState(() {
                      results.add(sr);
                    });
                    if (results.length == 3) {
                      print(DateTime.now().difference(time));
                    }
                  }).onError((error) {});
                  setState(() {
                    clicks++;
                  });
                },
              ),
              RaisedButton(
                child: Text('kill'),
                onPressed: () {
                  workerManager.killTask(task: task);
                },
              ),
              Row(
                children: <Widget>[
                  Text(clicks.toString()),
                  CircularProgressIndicator(),
                  Text(results.length.toString())
                ],
              )
            ],
          ),
        ),
      ),
    );
  }
}

int fib(int n) {
  if (n < 2) {
    return n;
  }
  return fib(n - 2) + fib(n - 1);
}

Future<String> getData(String kek) async => (await get(kek)).body.toString();