SpringAnimator

A framer.js DHO and RK4 spring animation port for Android.

Features

Extends from Animator, providing a familiar API to use
Provides DHO and RK4 algorithm from Framer.js
Bundled playground app, fine-tuning made easy

Demo

Checkout the playground here: playground.apk

Requirements

SpringAnimator requires API 16 or higher.

Download

Gradle:

repositories {
    jcenter()
}

dependencies {
    compile 'me.cyandev:springanimator:0.1.0-alpha1'
}

Find out more releases here.

Get Started

DhoSpringAnimator animator = new DhoSpringAnimator();
animator.setStiffness(200);
animator.setDamping(10);
animator.setMass(1);
animator.setVelocity(0);
animator.addUpdateListener(new AbsSpringAnimator.AnimatorUpdateListener() {
    @Override
    public void onAnimationUpdate(AbsSpringAnimator animation) {
        // Do something cool here...
    }
});
animator.start();

Parameters are fully matched with Frame.js.

Acknowledgement

Thanks koenbok/Framer for providing original algorithms.

Thanks MartinRGB for designing user interface of the playground app and providing graphical resources.

License

Copyright 2017 Cyandev

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

unixzii/android-SpringAnimator