async_helper_mixin 1.0.1

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Async helper mixin provide a simpler and clean interface to use FutureBuilder and StreamBuilder.

see the example here

1.0.1 #

  • add CHANGELOG.md
  • add example/REAMDE.md

1.0.0 #

first version

example/lib/main.dart

import 'dart:async';

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

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Async Widget Helper Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Async widget helper demo'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  StreamController<int> _periodicController;

  @override
  void initState() {
    super.initState();
    _periodicController = StreamController.broadcast()
      ..addStream(
        Stream.periodic(
          Duration(seconds: 1),
          (timePassed) => timePassed,
        ),
      );
  }

  @override
  void dispose() {
    super.dispose();
    _periodicController.close();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            MyFutureWidget(
              future: Future.delayed(Duration(seconds: 5), () => 2),
            ),
            Padding(
              padding: const EdgeInsets.symmetric(vertical: 16),
              child: Divider(
                height: 3,
              ),
            ),
            MyStreamWidget(_periodicController.stream),
          ],
        ),
      ),
    );
  }
}

class MyStreamWidget extends StatelessWidget with StreamHelperMixin {
  final Stream<int> periodicStream;

  MyStreamWidget(this.periodicStream);

  @override
  Stream<Widget> buildStream(BuildContext context) {
    return periodicStream.map((t) => Text('$t elapsed'));
  }

  @override
  Widget get defaultWidget => Text('Waiting stream');
}

class MyFutureWidget extends StatelessWidget with FutureHelperMixin {
  final Future<int> future;

  MyFutureWidget({@required this.future});

  @override
  Future<Widget> buildFuture(BuildContext context) async {
    final value = await future;
    return Text('Future result is $value');
  }

  @override
  Widget get defaultWidget => Text('Waiting future result');
}

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:


dependencies:
  async_helper_mixin: ^1.0.1

2. Install it

You can install packages from the command line:

with Flutter:


$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:


import 'package:async_helper_mixin/async_helper_mixin.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
0
Health:
Code health derived from static analysis. [more]
99
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
88
Overall:
Weighted score of the above. [more]
47
Learn more about scoring.

We analyzed this package on Apr 8, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.1
  • pana: 0.13.6
  • Flutter: 1.12.13+hotfix.8

Health issues and suggestions

Document public APIs. (-1 points)

11 out of 11 API elements have no dartdoc comment.Providing good documentation for libraries, classes, functions, and other API elements improves code readability and helps developers find and use your API.

Maintenance suggestions

Package is getting outdated. (-12.33 points)

The package was last published 58 weeks ago.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.0.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.8
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies
flutter_test