animation_builder 0.0.5

  • Example
  • Installing
  • Versions
  • 50


Fluent and type-safe API to build keyframes and timing for Web Animation API


A simple usage example:

void main() {
    final anim = new AnimationBuilder().duration(2000).fillForwards()
    querySelector('#output').animate(anim.makeKeyframes(), anim.makeOptions());



  • Transform methods in Keyframe and Keyframes


  • Changed style names from snake-case to camelCase
  • Added backgroundColor and color methods to Keyframes


  • Fixed Keyframes.create* clone bug


  • static method to create empty Keyframe at offset
  • Keyframes.create, Keyframes.createAt, Keyframes.createAppend, Keyframes.createAppendAt methods to create and add/append keyframes directly


  • AnimationBuilder, Keyframe, Keyframes, AnimationOptions


// Copyright (c) 2017, teja. 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:animation_builder/animation_builder.dart';

main() {}

Use this package as a library

1. Depend on it

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

  animation_builder: "^0.0.5"

2. Install it

You can install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter packages get

Alternatively, your editor might support pub get or flutter packages get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

      import 'package:animation_builder/animation_builder.dart';
Version Uploaded Documentation Archive
0.0.5 Aug 27, 2017 Go to the documentation of animation_builder 0.0.5 Download animation_builder 0.0.5 archive
0.0.4 Aug 27, 2017 Go to the documentation of animation_builder 0.0.4 Download animation_builder 0.0.4 archive
0.0.3 Aug 27, 2017 Go to the documentation of animation_builder 0.0.3 Download animation_builder 0.0.3 archive
0.0.2 Aug 27, 2017 Go to the documentation of animation_builder 0.0.2 Download animation_builder 0.0.2 archive
0.0.1 Aug 27, 2017 Go to the documentation of animation_builder 0.0.1 Download animation_builder 0.0.1 archive


We analyzed this package on Jun 12, 2018, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.0.0-dev.60.0
  • pana: 0.11.3


Describes how popular the package is relative to other packages. [more]
0 / 100
Code health derived from static analysis. [more]
100 / 100
Reflects how tidy and up-to-date the package is. [more]
100 / 100
Overall score:
Weighted score of the above. [more]
Learn more about scoring.


Detected platforms: Flutter, web, other

No platform restriction found in primary library package:animation_builder/animation_builder.dart.


  • Package is pre-v1 release.

    While there is nothing inherently wrong with versions of 0.*.*, it usually means that the author is still experimenting with the general direction API.

  • Fix analysis and formatting issues.

    Analysis or formatting checks reported 1 hint.

    Strong-mode analysis of lib/src/animation_options.dart gave the following hint:

    line: 79 col: 68
    'INFINITY' is deprecated and shouldn't be used.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=1.20.1 <2.0.0
Dev dependencies
test ^0.12.0