102 lines
3.2 KiB
Java
102 lines
3.2 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.ValueAnimator;
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import android.graphics.drawable.Drawable;
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import androidx.annotation.NonNull;
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import com.google.android.material.floatingactionbutton.FloatingActionButton;
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public class ChangeImageFadeAnimation {
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private Drawable fadeOutImage;
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private Drawable fadeInImage;
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private Drawable animatedImage;
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private FloatingActionButton imageHolder;
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private ValueAnimator fadeOutAnimator;
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private ChangeImageFadeAnimation() {
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}
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public ChangeImageFadeAnimation(@NonNull FloatingActionButton imageHolder,
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@NonNull Drawable fadeOutImage, @NonNull Drawable fadeInImage) {
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this.fadeOutImage = fadeOutImage.getConstantState().newDrawable();
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this.fadeOutImage.mutate();
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this.fadeInImage = fadeInImage.getConstantState().newDrawable();
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this.fadeInImage.mutate();
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this.imageHolder = imageHolder;
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setupAnimation();
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}
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public void cancel() {
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fadeOutAnimator.cancel();
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}
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public void start() {
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fadeOutAnimator.start();
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}
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private void setupAnimation() {
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fadeOutAnimator = new ValueAnimator();
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fadeOutAnimator.setIntValues(255, 0);
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fadeOutAnimator.setDuration(500);
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final ValueAnimator fadeInAnimator = new ValueAnimator();
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fadeInAnimator.setIntValues(0, 255);
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fadeInAnimator.setDuration(500);
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animatedImage = fadeOutImage;
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ValueAnimator.AnimatorUpdateListener updateListener = new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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animatedImage.setAlpha((int) animation.getAnimatedValue());
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}
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};
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fadeInAnimator.addUpdateListener(updateListener);
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fadeOutAnimator.addUpdateListener(updateListener);
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fadeOutAnimator.addListener(new Animator.AnimatorListener() {
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@Override
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public void onAnimationStart(Animator animator) {
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}
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@Override
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public void onAnimationEnd(Animator animator) {
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animatedImage = fadeInImage;
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animatedImage.setAlpha(0);
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imageHolder.setImageDrawable(animatedImage);
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fadeInAnimator.start();
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}
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@Override
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public void onAnimationCancel(Animator animator) {
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}
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@Override
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public void onAnimationRepeat(Animator animator) {
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}
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});
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}
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}
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