recyclerview-animators

Additional

Language
Java
Version
2.2.5 (Dec 2, 2016)
Created
Dec 22, 2014
Updated
Sep 20, 2018
Owner
Daichi Furiya (wasabeef)
Contributors
Yuya Tanaka (ypresto)
bitdeli-chef
Daichi Furiya (wasabeef)
Gabriele Mariotti (gabrielemariotti)
emartynov
Yoshihito Ikeda (yqritc)
Harsh B. Bhakta (hbb20)
rocboronat
mrhether
ytRino
Piasy
craya1982
Dominiquini
aphexcx
Evin1-
ysy950803
hiroq
sckm
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Blurb

RecyclerView Animators

RecyclerView Animators is an Android library that allows developers to easily create RecyclerView with animations.

Please feel free to use this.

Features

  • Animate addition and removal of ItemAnimator
  • Appearance animations for items in RecyclerView.Adapter

Demo

ItemAnimator

Adapters

How do I use it?

Setup

Gradle

On your module's build.gradle file add this implementation statement to the dependencies section:

dependencies {
  implementation 'jp.wasabeef:recyclerview-animators:2.3.0'
}

Also make sure that the repositories section includes not only jcenter but also a maven section with the "google()" endpoint.

repositories {
  jcenter()
  google()
}

ItemAnimator

Step 1

Set RecyclerView ItemAnimator.

RecyclerView recyclerView = (RecyclerView) findViewById(R.id.list);
recyclerView.setItemAnimator(new SlideInLeftAnimator());
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.list);
SlideInUpAnimator animator = new SlideInUpAnimator(new OvershootInterpolator(1f));
recyclerView.setItemAnimator(animator);

Step 2

Please use the followingnotifyItemRangeRemoved(int, int)notifyItemRangeInserted(int, int)
notifyItemRangeChanged(int, int)
notifyItemRemoved(int)
notifyItemInserted(int)
notifyItemChanged(int)


If you want your animations to work, do not rely on calling notifyDataSetChanged(); as it is the RecyclerView's default behavior, animations are not triggered to start inside this method.

public void remove(int position) {
  mDataSet.remove(position);
  notifyItemRemoved(position);
}

public void add(String text, int position) {
  mDataSet.add(position, text);
  notifyItemInserted(position);
}

Advanced Step 3

You can change the durations.

recyclerView.getItemAnimator().setAddDuration(1000);
recyclerView.getItemAnimator().setRemoveDuration(1000);
recyclerView.getItemAnimator().setMoveDuration(1000);
recyclerView.getItemAnimator().setChangeDuration(1000);

Advanced Step 4

Change the interpolator.

SlideInLeftAnimator animator = new SlideInLeftAnimator();
animator.setInterpolator(new OvershootInterpolator());
// or recyclerView.setItemAnimator(new SlideInUpAnimator(new OvershootInterpolator(1f)));
recyclerView.setItemAnimator(animator);

Advanced Step 5

By implementing AnimateViewHolder, you can override preset animation. So, custom animation can be set depending on view holder.

static class MyViewHolder extends RecyclerView.ViewHolder implements AnimateViewHolder {
  public MyViewHolder(View itemView) {
    super(itemView);
  }

  @Override
  public void preAnimateRemoveImpl(RecyclerView.ViewHolder holder) {

  }

  @Override
  public void animateRemoveImpl(RecyclerView.ViewHolder holder, ViewPropertyAnimatorListener listener) {
    ViewCompat.animate(itemView)
          .translationY(-itemView.getHeight() * 0.3f)
          .alpha(0)
          .setDuration(300)
          .setListener(listener)
          .start();
  }

  @Override
  public void preAnimateAddImpl(RecyclerView.ViewHolder holder) {
    ViewCompat.setTranslationY(itemView, -itemView.getHeight() * 0.3f);
    ViewCompat.setAlpha(itemView, 0);
  }

  @Override
  public void animateAddImpl(RecyclerView.ViewHolder holder, ViewPropertyAnimatorListener listener) {
    ViewCompat.animate(itemView)
          .translationY(0)
          .alpha(1)
          .setDuration(300)
          .setListener(listener)
          .start();
  }
}

Animators

Cool

LandingAnimator

Scale

ScaleInAnimator, ScaleInTopAnimator, ScaleInBottomAnimatorScaleInLeftAnimator, ScaleInRightAnimator

Fade

FadeInAnimator, FadeInDownAnimator, FadeInUpAnimatorFadeInLeftAnimator, FadeInRightAnimator

Flip

FlipInTopXAnimator, FlipInBottomXAnimatorFlipInLeftYAnimator, FlipInRightYAnimator

Slide

SlideInLeftAnimator, SlideInRightAnimator, OvershootInLeftAnimator, OvershootInRightAnimatorSlideInUpAnimator, SlideInDownAnimator

RecyclerView.Adapter

Step 1

Set RecyclerView ItemAnimator.

RecyclerView recyclerView = (RecyclerView) findViewById(R.id.list);
MyAdapter adapter = new MyAdapter();
recyclerView.setAdapter(new AlphaInAnimationAdapter(adapter));

Advanced Step 2

Change the durations.

MyAdapter adapter = new MyAdapter();
AlphaInAnimationAdapter alphaAdapter = new AlphaInAnimationAdapter(adapter);
alphaAdapter.setDuration(1000);
recyclerView.setAdapter(alphaAdapter);

Advanced Step 3

Change the interpolator.

MyAdapter adapter = new MyAdapter();
AlphaInAnimationAdapter alphaAdapter = new AlphaInAnimationAdapter(adapter);
alphaAdapter.setInterpolator(new OvershootInterpolator());
recyclerView.setAdapter(alphaAdapter);

Advanced Step 4

Disable the first scroll mode.

MyAdapter adapter = new MyAdapter();
AlphaInAnimationAdapter alphaAdapter = new AlphaInAnimationAdapter(adapter);
alphaAdapter.setFirstOnly(false);
recyclerView.setAdapter(alphaAdapter);

Advanced Step 5

Multiple Animations

MyAdapter adapter = new MyAdapter();
AlphaInAnimationAdapter alphaAdapter = new AlphaInAnimationAdapter(adapter);
recyclerView.setAdapter(new ScaleInAnimationAdapter(alphaAdapter));

Adapters

Alpha

AlphaInAnimationAdapter

Scale

ScaleInAnimationAdapter

Slide

SlideInBottomAnimationAdapterSlideInRightAnimationAdapter, SlideInLeftAnimationAdapter

Applications using RecyclerView Animators

Please ping me or send a pull request if you would like to be added here.

Icon Application
Ameba Ownd
QuitNow!
AbemaTV

Developed By

Daichi Furiya (Wasabeef) - dadadada.chop@gmail.com

Contributions

Any contributions are welcome!

Contributers

Thanks

  • Inspired by AndroidViewAnimations in daimajia.

License

Copyright 2018 Wasabeef

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.