useful_classes 0.0.3

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useful_classes #

Package with useful classes to facilitate the creation of other resources

import 'package:useful_classes/useful_classes.dart';

ValueBloc #

Simple Bloc to make it easy to use StreamBuilder in your code

final ValueBloc<String> description = ValueBloc<String>(initialValue: 'Initial Description');
description.updateValue('Another Description');

ValuesBloc #

Controlling multiple "ValueBloc"

final ValuesBloc packageInfo = ValuesBloc({
    'name': ValueBloc<String>(),
    'version': ValueBloc<String>(),
    'name': 'useful_classes',
    'version': '0.0.1'

Disposable #

Class to implement disposable in classes

class Example extends Disposable {
    final ValueBloc<String> description = ValueBloc<String>();

    void dispose() {

0.0.1 #

  • Initial version

0.0.2 #

  • Added ValueModel, ValuesModel

0.0.3 #

  • Removed ValueModel, ValuesModel

Use this package as a library

1. Depend on it

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

  useful_classes: ^0.0.3

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

We analyzed this package on Oct 23, 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.

Health suggestions

Format lib/blocs/value_bloc.dart.

Run flutter format to format lib/blocs/value_bloc.dart.

Format lib/blocs/values_bloc.dart.

Run flutter format to format lib/blocs/values_bloc.dart.

Format lib/patterns/disposable.dart.

Run flutter format to format lib/patterns/disposable.dart.

Format lib/useful_classes.dart.

Run flutter format to format lib/useful_classes.dart.

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 useful_classes.dart. Packages with multiple examples should provide example/

For more information see the pub package layout conventions.

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
rxdart ^0.22.0 0.22.4
scoped_model ^1.0.1 1.0.1
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
Dev dependencies