Add config to disable app tray preview in display size.
Also move some files Change-Id: I4636fcd81425991acadede0b703e09513c82543c Fixes: 113374067 Test: robotests
This commit is contained in:
Fan Zhang
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src/com/android/settings/display/PreviewPagerAdapter.java
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221
src/com/android/settings/display/PreviewPagerAdapter.java
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/*
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* Copyright (C) 2018 The Android Open Source Project
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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 com.android.settings.display;
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import android.animation.Animator;
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import android.animation.Animator.AnimatorListener;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewStub;
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import android.view.ViewStub.OnInflateListener;
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import android.view.animation.AccelerateInterpolator;
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import android.view.animation.DecelerateInterpolator;
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import android.view.animation.Interpolator;
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import android.widget.FrameLayout;
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import android.widget.LinearLayout;
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import androidx.viewpager.widget.PagerAdapter;
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import com.android.settings.support.actionbar.HelpResourceProvider;
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/**
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* A PagerAdapter used by PreviewSeekBarPreferenceFragment that for showing multiple preview screen
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* regarding a single setting and allowing the user to swipe across them.
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*/
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public class PreviewPagerAdapter extends PagerAdapter {
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/** Duration to use when cross-fading between previews. */
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private static final long CROSS_FADE_DURATION_MS = 400;
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/** Interpolator to use when cross-fading between previews. */
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private static final Interpolator FADE_IN_INTERPOLATOR = new DecelerateInterpolator();
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/** Interpolator to use when cross-fading between previews. */
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private static final Interpolator FADE_OUT_INTERPOLATOR = new AccelerateInterpolator();
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private FrameLayout[] mPreviewFrames;
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private boolean mIsLayoutRtl;
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private Runnable mAnimationEndAction;
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private int mAnimationCounter;
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private boolean[][] mViewStubInflated;
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public PreviewPagerAdapter(Context context, boolean isLayoutRtl,
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int[] previewSampleResIds, Configuration[] configurations) {
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mIsLayoutRtl = isLayoutRtl;
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mPreviewFrames = new FrameLayout[previewSampleResIds.length];
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mViewStubInflated = new boolean[previewSampleResIds.length][configurations.length];
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for (int i = 0; i < previewSampleResIds.length; ++i) {
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int p = mIsLayoutRtl ? previewSampleResIds.length - 1 - i : i;
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mPreviewFrames[p] = new FrameLayout(context);
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mPreviewFrames[p].setLayoutParams(new LinearLayout.LayoutParams(
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LinearLayout.LayoutParams.MATCH_PARENT,
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LinearLayout.LayoutParams.MATCH_PARENT));
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for (int j = 0; j < configurations.length; ++j) {
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// Create a new configuration for the specified value. It won't
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// have any theme set, so manually apply the current theme.
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final Context configContext = context.createConfigurationContext(configurations[j]);
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configContext.getTheme().setTo(context.getTheme());
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final ViewStub sampleViewStub = new ViewStub(configContext);
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sampleViewStub.setLayoutResource(previewSampleResIds[i]);
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final int fi = i, fj = j;
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sampleViewStub.setOnInflateListener((stub, inflated) -> {
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inflated.setVisibility(stub.getVisibility());
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mViewStubInflated[fi][fj] = true;
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});
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mPreviewFrames[p].addView(sampleViewStub);
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}
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}
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}
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@Override
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public void destroyItem(ViewGroup container, int position, Object object) {
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container.removeView((View) object);
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}
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@Override
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public int getCount() {
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return mPreviewFrames.length;
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}
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@Override
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public Object instantiateItem(ViewGroup container, int position) {
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container.addView(mPreviewFrames[position]);
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return mPreviewFrames[position];
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}
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@Override
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public boolean isViewFromObject(View view, Object object) {
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return (view == object);
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}
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boolean isAnimating() {
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return mAnimationCounter > 0;
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}
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void setAnimationEndAction(Runnable action) {
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mAnimationEndAction = action;
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}
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void setPreviewLayer(int newLayerIndex, int currentLayerIndex, int currentFrameIndex,
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final boolean animate) {
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for (FrameLayout previewFrame : mPreviewFrames) {
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if (currentLayerIndex >= 0) {
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final View lastLayer = previewFrame.getChildAt(currentLayerIndex);
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if (mViewStubInflated[currentFrameIndex][currentLayerIndex]) {
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// Explicitly set to INVISIBLE only when the stub has
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// already been inflated.
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if (previewFrame == mPreviewFrames[currentFrameIndex]) {
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setVisibility(lastLayer, View.INVISIBLE, animate);
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} else {
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setVisibility(lastLayer, View.INVISIBLE, false);
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}
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}
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}
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// Set next layer visible, as well as inflate necessary views.
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View nextLayer = previewFrame.getChildAt(newLayerIndex);
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if (previewFrame == mPreviewFrames[currentFrameIndex]) {
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// Inflate immediately if the stub has not yet been inflated.
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if (!mViewStubInflated[currentFrameIndex][newLayerIndex]) {
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nextLayer = ((ViewStub) nextLayer).inflate();
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nextLayer.setAlpha(0.0f);
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}
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setVisibility(nextLayer, View.VISIBLE, animate);
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} else {
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setVisibility(nextLayer, View.VISIBLE, false);
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}
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}
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}
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private void setVisibility(final View view, final int visibility, boolean animate) {
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final float alpha = (visibility == View.VISIBLE ? 1.0f : 0.0f);
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if (!animate) {
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view.setAlpha(alpha);
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view.setVisibility(visibility);
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} else {
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final Interpolator interpolator = (visibility == View.VISIBLE ? FADE_IN_INTERPOLATOR
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: FADE_OUT_INTERPOLATOR);
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if (visibility == View.VISIBLE) {
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// Fade in animation.
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view.animate()
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.alpha(alpha)
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.setInterpolator(FADE_IN_INTERPOLATOR)
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.setDuration(CROSS_FADE_DURATION_MS)
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.setListener(new PreviewFrameAnimatorListener())
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.withStartAction(new Runnable() {
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@Override
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public void run() {
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view.setVisibility(visibility);
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}
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});
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} else {
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// Fade out animation.
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view.animate()
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.alpha(alpha)
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.setInterpolator(FADE_OUT_INTERPOLATOR)
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.setDuration(CROSS_FADE_DURATION_MS)
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.setListener(new PreviewFrameAnimatorListener())
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.withEndAction(new Runnable() {
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@Override
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public void run() {
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view.setVisibility(visibility);
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}
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});
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}
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}
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}
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private void runAnimationEndAction() {
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if (mAnimationEndAction != null && !isAnimating()) {
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mAnimationEndAction.run();
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mAnimationEndAction = null;
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}
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}
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private class PreviewFrameAnimatorListener implements AnimatorListener {
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@Override
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public void onAnimationStart(Animator animation) {
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mAnimationCounter++;
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}
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@Override
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public void onAnimationEnd(Animator animation) {
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mAnimationCounter--;
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runAnimationEndAction();
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}
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@Override
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public void onAnimationCancel(Animator animation) {
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// Empty method.
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}
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@Override
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public void onAnimationRepeat(Animator animation) {
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// Empty method.
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}
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}
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}
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