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Render After Effects animations natively on Flutter. This package is a pure Dart implementation of a Lottie player.

4.11k
likes
150/ 160
pub points
1.64M
downloads

We analyzed this package 5 days ago, and awarded it 150 pub points (of a possible 160):

OK
Follow Dart file conventions
30 / 30trigger folding of the section

10/10 points: Provide a valid pubspec.yaml

5/5 points: Provide a valid README.md

5/5 points: Provide a valid CHANGELOG.md

10/10 points: Use an OSI-approved license

Detected license: MIT.

OK
Provide documentation
20 / 20trigger folding of the section

10/10 points: 20% or more of the public API has dartdoc comments

95 out of 248 API elements (38.3 %) have documentation comments.

Some symbols that are missing documentation: lottie, lottie.AssetLottie, lottie.AssetLottie.AssetLottie, lottie.AssetLottie.assetName, lottie.AssetLottie.bundle.

10/10 points: Package has an example

failed
Platform support
20 / 20trigger folding of the section

20/20 points: Supports 5 of 6 possible platforms (iOS, Android, Web, Windows, macOS, Linux)

  • ✓ Android

  • ✓ iOS

  • ✓ Windows

  • ✓ Linux

  • ✓ macOS

These platforms are not supported:

Package not compatible with platform Web

Because:

  • package:lottie/lottie.dart that imports:
  • package:lottie/src/lottie_builder.dart that imports:
  • package:lottie/src/lottie.dart that imports:
  • dart:io

0/0 points: WASM compatibility

Package not compatible with runtime wasm

Because:

  • package:lottie/lottie.dart that imports:
  • package:lottie/src/lottie_builder.dart that imports:
  • package:lottie/src/lottie.dart that imports:
  • dart:io

This package is not compatible with runtime wasm, and will not be rewarded full points in a future version of the scoring model.

See https://dart.dev/web/wasm for details.

partial
Pass static analysis
40 / 50trigger folding of the section

40/50 points: code has no errors, warnings, lints, or formatting issues

Found 21 issues. Showing the first 2:

INFO: 'alpha' is deprecated and shouldn't be used. Use .a.

lib/src/animation/content/stroke_content.dart:41:63

   ╷
41 │     paint.color = _colorAnimation.value.withAlpha(paint.color.alpha);
   │                                                               ^^^^^
   ╵

To reproduce make sure you are using the lints_core and run flutter analyze lib/src/animation/content/stroke_content.dart

INFO: 'alpha' is deprecated and shouldn't be used. Use .a.

lib/src/animation/keyframe/drop_shadow_keyframe_animation.dart:73:53

   ╷
73 │           _createCallback(callback, (c) => c?.color.alpha.toDouble() ?? 255));
   │                                                     ^^^^^
   ╵

To reproduce make sure you are using the lints_core and run flutter analyze lib/src/animation/keyframe/drop_shadow_keyframe_animation.dart

OK
Support up-to-date dependencies
40 / 40trigger folding of the section

10/10 points: All of the package dependencies are supported in the latest version

Package Constraint Compatible Latest
archive ^3.3.8 3.6.1 4.0.2
flutter flutter 0.0.0 0.0.0
http ^1.0.0 1.2.2 1.2.2
path ^1.8.0 1.9.1 1.9.1
vector_math ^2.1.0 2.1.4 2.1.4
Transitive dependencies
Package Constraint Compatible Latest
async - 2.12.0 2.12.0
characters - 1.3.0 1.4.0
collection - 1.19.0 1.19.1
crypto - 3.0.6 3.0.6
http_parser - 4.1.1 4.1.1
material_color_utilities - 0.11.1 0.12.0
meta - 1.15.0 1.16.0
sky_engine - 0.0.0 0.0.0
source_span - 1.10.1 1.10.1
string_scanner - 1.4.1 1.4.1
term_glyph - 1.2.2 1.2.2
typed_data - 1.4.0 1.4.0
web - 1.1.0 1.1.0

To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.

The constraint `^3.3.8` on archive does not support the stable version `4.0.0`, that was published 14 days ago.

When archive is 30 days old, this package will no longer be awarded points in this category.

Try running dart pub upgrade --major-versions archive to update the constraint.

10/10 points: Package supports latest stable Dart and Flutter SDKs

20/20 points: Compatible with dependency constraint lower bounds

pub downgrade does not expose any static analysis error.

Analyzed with Pana 0.22.17, Flutter 3.27.0, Dart 3.6.0.

Check the analysis log for details.

4.11k
likes
150
points
1.64M
downloads

Publisher

verified publisherxaha.dev

Weekly Downloads

Render After Effects animations natively on Flutter. This package is a pure Dart implementation of a Lottie player.

Repository (GitHub)
View/report issues

Documentation

API reference

Funding

Consider supporting this project:

www.buymeacoffee.com
github.com

License

MIT (license)

Dependencies

archive, flutter, http, path, vector_math

More

Packages that depend on lottie