safety_stream_builder 0.0.1

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Safety StreamBuilder for Flutter #

For lazy, SafetyStreamBuilder can use with just a little confidence.

Usage #

In StreamBuilder, it is necessary to finely implement whether AsyncSnapshot contains data or an error has occurred. SafetyStreamBuilder provides default blank widget and error display widget and direct data. (hiding AsyncSnapshot)

Before: Using Dart standard StreamBuilder #

  stream: stream,
  builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
    if (!snapshot.hasData) {
      return Container();
    if (snapshot.hasError) {
      return Icon(Icons.error_outline);
    return Text(;

After: Using SafetyStreamBuilder #

  stream: stream,
  builder: (BuildContext context, String message) => Text(message),

v0.0.1 #

  • Initial Release
  • No API Document

Use this package as a library

1. Depend on it

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

  safety_stream_builder: ^0.0.1

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

We analyzed this package on Jul 2, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.8.4
  • pana: 0.13.9+1
  • Flutter: 1.17.3

Analysis suggestions

Package not compatible with SDK dart

because of import path [safety_stream_builder]

Maintenance suggestions

Package is getting outdated. (-73.15 points)

The package was last published 90 weeks ago.

The package description is too short. (-20 points)

Add more detail to the description field of pubspec.yaml. Use 60 to 180 characters to describe the package, what it does, and its target use case.

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 safety_stream_builder.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 >=2.0.0-dev.68.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.12 1.14.13
meta 1.1.8 1.2.0
sky_engine 0.0.99
typed_data 1.1.6 1.2.0
vector_math 2.0.8
Dev dependencies