Java tutorial
/* * 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. */ package eu.davidea.samples.flexibleadapter.animators; import android.support.v4.view.ViewCompat; import android.support.v7.widget.RecyclerView; import android.view.animation.OvershootInterpolator; import eu.davidea.flexibleadapter.common.FlexibleItemAnimator; public class OvershootInLeftAnimator extends FlexibleItemAnimator { private final float mTension; public OvershootInLeftAnimator() { mTension = 2.0f; } public OvershootInLeftAnimator(float mTension) { this.mTension = mTension; } @Override protected void animateRemoveImpl(final RecyclerView.ViewHolder holder, final int index) { ViewCompat.animate(holder.itemView).translationX(-holder.itemView.getRootView().getWidth()) .setDuration(getRemoveDuration()).setListener(new DefaultRemoveVpaListener(holder)).start(); } @Override protected boolean preAnimateAddImpl(final RecyclerView.ViewHolder holder) { ViewCompat.setTranslationX(holder.itemView, -holder.itemView.getRootView().getWidth()); return true; } @Override protected void animateAddImpl(final RecyclerView.ViewHolder holder, final int index) { ViewCompat.animate(holder.itemView).translationX(0).setDuration(getAddDuration()) .setListener(new DefaultAddVpaListener(holder)).setInterpolator(new OvershootInterpolator(mTension)) .start(); } }