broadcaster 1.0.4

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  • Changelog
  • Example
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  • 54

Broadcaster #

A simple state management for flutter <br/><br/>

Getting started #

You should ensure that you add the broadcaster as a dependency in your flutter project.

read more at how to install

Usage #

A counter app with Broadcaster


class HomePageBroadcaster extends Broadcaster<_BroadcastKeys> {
  // define the broadcast passing a required key and an initital value
  Broadcast<int> get countBroadcast =>
      this.broadcast<int>(_BroadcastKeys.count, initialValue: 0);

  // the increment action
  increment() {
    countBroadcast.value += 1;
  }
}

/// Enum used as the key to broadcasts
enum _BroadcastKeys { count }

Screen Widget

import 'package:broadcaster/broadcaster.dart';
import 'package:flutter/material.dart';
import 'home_page_broadcaster.dart';

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    // wrap the page with the provider
    return BroadcasterProvider(
        // creator param
        creator: (context) => HomePageBroadcaster(),
        // builder param with the broadcaster instance
        builder: (context, broadcaster) {
          return Scaffold(
            body: Center(
              // StreamBuilder to consume the stream provided by the broadcast
              child: StreamBuilder<int>(
                  // pass here the broadcast stream
                  stream: broadcaster.countBroadcast.stream,
                  builder: (context, snapshot) {
                    final count = snapshot.data ?? 0;
                    return Text('counter: $count');
                  }),
            ),
            floatingActionButton: FloatingActionButton(
              onPressed: () {
                // call the broadcaster increment action
                broadcaster.increment();
              },
              tooltip: 'Increment',
              child: Icon(Icons.add),
            ),
          );
        });
  }
}

checkout app source at github

[1.0.4] - updated provider and rxdart dependency #

[1.0.2] - updated provider dependency #

[1.0.1] - documentation #

[1.0.0] - first stable release #

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: HomePage(),
      debugShowCheckedModeBanner: false,
    );
  }
}

Use this package as a library

1. Depend on it

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


dependencies:
  broadcaster: ^1.0.4

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:broadcaster/broadcaster.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
7
Health:
Code health derived from static analysis. [more]
100
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
100
Overall:
Weighted score of the above. [more]
54
Learn more about scoring.

We analyzed this package on Jul 9, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.8.4
  • pana: 0.13.14
  • Flutter: 1.17.5

Analysis suggestions

Package not compatible with SDK dart

Because:

  • broadcaster that is a package requiring null.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.6.0 <3.0.0
flutter 0.0.0
provider ^4.1.3 4.3.0
rxdart ^0.24.1 0.24.1
Transitive dependencies
collection 1.14.12 1.14.13
meta 1.1.8 1.2.2
nested 0.0.4
sky_engine 0.0.99
typed_data 1.1.6 1.2.0
vector_math 2.0.8 2.1.0-nullsafety
Dev dependencies
flutter_test