/* * Copyright (C) 2017 * * 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 com.example.saulmm.splashes.itemanimator; import android.support.v4.view.ViewCompat; import android.support.v4.view.ViewPropertyAnimatorCompat; import android.support.v7.widget.RecyclerView; import android.view.animation.Interpolator; @SuppressWarnings("FieldCanBeLocal") class SlideInUpDelayedAnimator extends BaseItemAnimator { private final int offsetDelay = 200; private final Interpolator mInterpolator; SlideInUpDelayedAnimator(Interpolator interpolator) { mInterpolator = interpolator; } @Override protected void preAnimateAdd(RecyclerView.ViewHolder holder) { ViewCompat.setTranslationY(holder.itemView, holder.itemView.getHeight()); ViewCompat.setAlpha(holder.itemView, 0); } @Override protected ViewPropertyAnimatorCompat onAnimatedAdd(RecyclerView.ViewHolder holder) { return ViewCompat.animate(holder.itemView) .translationY(0) .setInterpolator(mInterpolator) .setStartDelay(offsetDelay*holder.getLayoutPosition()); } }