Java tutorial
package com.marshalchen.ultimaterecyclerview.animators; /** * Copyright (C) 2015 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. */ import android.support.v4.view.ViewCompat; import android.support.v7.widget.RecyclerView; import android.view.animation.BounceInterpolator; public class BounceInAnimator extends BaseItemAnimator { @Override protected void animateRemoveImpl(final RecyclerView.ViewHolder holder) { ViewCompat.animate(holder.itemView).alpha(0).setDuration(getRemoveDuration()) .setListener(new DefaultRemoveVpaListener(holder)).start(); mRemoveAnimations.add(holder); } @Override protected void preAnimateAdd(RecyclerView.ViewHolder holder) { ViewCompat.setAlpha(holder.itemView, 0); } @Override protected void animateAddImpl(final RecyclerView.ViewHolder holder) { ViewCompat.animate(holder.itemView).alpha(1).setDuration(getAddDuration()) .setListener(new DefaultAddVpaListener(holder)).setInterpolator(new BounceInterpolator()).start(); mAddAnimations.add(holder); } }