flutter_rebound 0.3.0

  • Readme
  • Changelog
  • Example
  • Installing
  • new50

English | 简体中文

Flutter Rebound #

pub package

A Flutter library that models spring dynamics and adds real world physics to your app. inspired by Facebook Rebound


Usage #

To use this plugin, add flutter_rebound as a dependency in your pubspec.yaml file.

Example #

// Import package
import 'package:rebound/rebound.dart';
import 'package:flutter/material.dart';
class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  _MyHomePageState createState() => _MyHomePageState();

class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin {
  SpringSystem system;
  Spring spring;
  double _scale = 1;

  void initState() {
    system = SpringSystem(vsync: this);
    spring = system.createSpring(40, 3);
    spring.addUpdateListener((spring) {
      double value = spring.currentValue;
      _scale = 1 - value * 0.5;
      setState(() {});
    spring.endValue = 1;

  void dispose() {

  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      body: Center(
        child: Transform.scale(
          scale: _scale,
          child: Container(
            width: 200,
            height: 200,
            color: Colors.red,

0.3.0 #

  • fix some bugs

0.2.0 #

  • To optimize the system

0.1.0 #

  • A Flutter library that models spring dynamics and adds real world physics to your app.


example #

A new Flutter application.

Getting Started #

This project is a starting point for a Flutter application.

A few resources to get you started if this is your first Flutter project:

For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.

Use this package as a library

1. Depend on it

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

  flutter_rebound: ^0.3.0

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

We analyzed this package on Dec 5, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.6.1
  • pana: 0.12.21
  • Flutter: 1.9.1+hotfix.6


Detected platforms: Flutter

References Flutter, and has no conflicting libraries.

Health issues and suggestions

Document public APIs. (-1 points)

73 out of 73 API elements have no dartdoc comment.Providing good documentation for libraries, classes, functions, and other API elements improves code readability and helps developers find and use your API.

Format lib/flutter_rebound.dart.

Run flutter format to format lib/flutter_rebound.dart.

Format lib/src/spring.dart.

Run flutter format to format lib/src/spring.dart.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.7 1.1.8
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies