consumer 0.1.4

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consumer #

flutter consumer is like react-consumer state manage, use Stream at dart, consumer have memo and shoudWidgetUpdate function to intercept update.

API Document:

Install consumer #

Change pubspec.yaml:

  consumer: ^0.1.2

Getting Started #

1. Register Stream use state: #

// Create app's state, one project only need one app's state
class AppState {
  String name = '';

void main() async {
  // Use app's state init stream.


2. Linsten state: #

class SomePage extends StatelessWidget {
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          children: <Widget>[
            Text('Welcome use consumer'),
            // Only update this widget
              memo: (state) => [],
              builder: (ctx, state) {
                return Text('name ${}');
              onChanged: (v) {
                // Triggle stream listen
                // At business project, move this function to actions scripts fold, please.
                Store.setState<AppState>((state) {
         = v;

That's all #

Thank you read and use consumer

[0.1.4] - Delete shouldWidgetUpdate API

[0.1.3] - Update readme

[0.1.2] - Update readme

[0.1.1] - Add code documents

[0.1.0] - Init package

  • Update this state manage, use react-consumer style

Use this package as a library

1. Depend on it

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

  consumer: ^0.1.4

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:consumer/consumer.dart';
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Learn more about scoring.

We analyzed this package on Oct 18, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.5.1
  • pana: 0.12.21
  • Flutter: 1.9.1+hotfix.4


Detected platforms: Flutter

References Flutter, and has no conflicting libraries.

Maintenance suggestions

Maintain an example. (-10 points)

Create a short demo in the example/ directory to show how to use this package.

Common filename patterns include main.dart, example.dart, and consumer.dart. Packages with multiple examples should provide example/

For more information see the pub package layout conventions.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.3.0-dev.0.1 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.7
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8