105 lines
3.1 KiB
Java
105 lines
3.1 KiB
Java
/*
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* Copyright 2017 Martijn Brekhof. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.xbmc.kore.ui.animators;
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import android.animation.Animator;
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import android.animation.AnimatorSet;
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import android.animation.ArgbEvaluator;
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import android.animation.ValueAnimator;
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import android.graphics.PorterDuff;
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import android.view.View;
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public class PulsateAnimation {
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private View view;
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private AnimatorSet animatorSet;
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private boolean stopAnimation;
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private int startColor;
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private int endColor;
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private PulsateAnimation() {
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}
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public PulsateAnimation(View v, int startColor, int endColor) {
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view = v;
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this.startColor = startColor;
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this.endColor = endColor;
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setupAnimation();
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}
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public void start() {
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stopAnimation = false;
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animatorSet.start();
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}
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public void stop() {
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stopAnimation = true;
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}
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public boolean isRunning() {
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return animatorSet.isRunning();
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}
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private void setupAnimation() {
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animatorSet = new AnimatorSet();
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//Creates an animation that first changes color from startColor to endColor and
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//afterwards changes color from endColor to startColor
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animatorSet.playSequentially(createValueAnimator(startColor, endColor),
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createValueAnimator(endColor, startColor));
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animatorSet.addListener(new Animator.AnimatorListener() {
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@Override
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public void onAnimationStart(Animator animation) {
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}
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@Override
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public void onAnimationEnd(Animator animation) {
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if (!stopAnimation)
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animatorSet.start();
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}
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@Override
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public void onAnimationCancel(Animator animation) {
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}
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@Override
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public void onAnimationRepeat(Animator animation) {
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}
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});
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}
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private ValueAnimator createValueAnimator(int startColor, int endColor) {
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ValueAnimator valueAnimator = new ValueAnimator();
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valueAnimator.setDuration(1000);
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valueAnimator.setIntValues(startColor, endColor);
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valueAnimator.setEvaluator(new ArgbEvaluator());
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valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animator) {
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int color = (int) animator.getAnimatedValue();
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view.getBackground().setColorFilter(color, PorterDuff.Mode.SRC_IN);
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}
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});
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return valueAnimator;
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}
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}
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