color_transition 0.0.3

  • Readme
  • Changelog
  • Example
  • Installing
  • 33

color_transition #

pub package

A dart package for continuous color transition.

Usage #

A simple usage example:

import 'package:color_transition/color_transition.dart';

colorTransition = new ColorTransition(callback: (currentColor){

properties #

currentColor: RGB color in List<int>, defaults to List<int> [255, 255, 255] (optional)

callback: Function called after every transition (optional)

duration: defaults to int 3 (optional)

fps: defaults to int 30 (optional)

methods #

init: starts color transition

cancel: ends/cancels color transition

generateRGB: Returns List<int> representing a random RGB value

Features and bugs #

Please file feature requests and bugs at the issue tracker.

0.0.3 #

  • Fixed readme issues.

0.0.2 #

  • Improved example and readme.

0.0.1 #

  • Initial version, created by RiftNinja.


// Copyright (c) 2018, RiftNinja. All rights reserved. Use of this source code
// is governed by a BSD-style license that can be found in the LICENSE file.

import 'package:color_transition/color_transition.dart';

main() {
	List<int> initialColor = [255, 255, 255];

	ColorTransition colorTransition;
	colorTransition = new ColorTransition(
		currentColor: initialColor, fps: 30,
		duration: 3, callback: (currentColor){


Use this package as a library

1. Depend on it

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

  color_transition: ^0.0.3

2. Install it

You can install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter pub get

Alternatively, your editor might support pub get or 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:color_transition/color_transition.dart';
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Learn more about scoring.

We analyzed this package on Apr 4, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.1
  • pana: 0.13.6

Health suggestions

Fix lib/color_transition.dart. (-2.96 points)

Analysis of lib/color_transition.dart reported 6 hints, including:

line 7 col 47: Use = to separate a named parameter from its default value.

line 7 col 66: Use = to separate a named parameter from its default value.

line 30 col 19: Unnecessary new keyword.

line 30 col 38: Unnecessary new keyword.

line 33 col 5: DO use curly braces for all flow control structures.

Maintenance suggestions

Package is getting outdated. (-56.71 points)

The package was last published 81 weeks ago.

The package description is too short. (-13 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.

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 <3.0.0
Dev dependencies
test ^1.3.0