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‎.gitignore

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target/
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build/
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lint.xml
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bin/
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gen/
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.settings
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.project
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.classpath
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out
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gen-external-apklibs/
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classes/
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# Local configuration file (sdk path, etc)
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local.properties
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# Android Studio
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.idea/
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*/out
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!*/build/apk/
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*/production/
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*.iws
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*.ipr
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*.iml
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*~
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*.swp
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# gradle
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.gradle
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.DS_Store

‎README.md

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# Android PdfViewer
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Library for displaying PDF documents on Android, with `animations`, `gestures`, `zoom` and `double tap` support.
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It is based on [PdfiumAndroid](https://github.com/barteksc/PdfiumAndroid) for decoding PDF files. Works on API 11 and higher.
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Licensed under Apache License 2.0.
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## Installation
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Add to _build.gradle_:
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`compile 'com.github.barteksc:android-pdf-viewer:1.0.0'`
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Library is available in jcenter repository, probably it'll be in Maven Central soon.
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## Include PDFView in your layout
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``` xml
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<com.github.barteksc.pdfviewer.PDFView
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android:id="@+id/pdfView"
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android:layout_width="match_parent"
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android:layout_height="match_parent"/>
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```
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## Load a PDF file
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``` java
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pdfView.fromAsset(pdfName)
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.pages(0, 2, 1, 3, 3, 3)
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.defaultPage(1)
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.showMinimap(false)
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.enableSwipe(true)
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.onDraw(onDrawListener)
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.onLoad(onLoadCompleteListener)
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.onPageChange(onPageChangeListener)
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.onError(onErrorListener)
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.load();
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```
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* ```pages``` is optional, it allows you to filter and order the pages of the PDF as you need
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* ```onDraw``` is also optional, and allows you to draw something on a provided canvas, above the current page
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## Show scrollbar
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Use **ScrollBar** class to place scrollbar view near **PDFView**
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1. in layout XML (it's important that the parent view is **RelativeLayout**)
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``` xml
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<com.github.barteksc.pdfviewer.PDFView
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android:id="@+id/pdfView"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:layout_toLeftOf="@+id/scrollBar"/>
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<com.github.barteksc.pdfviewer.ScrollBar
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android:id="@+id/scrollBar"
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android:layout_width="wrap_content"
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android:layout_height="match_parent"
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android:layout_alignParentRight="true"
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android:layout_alignParentEnd="true" />
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</RelativeLayout>
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```
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2. in activity or fragment
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``` java
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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...
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PDFView pdfView = (PDFView) findViewById(R.id.pdfView);
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ScrollBar scrollBar = (ScrollBar) findViewById(R.id.scrollBar);
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pdfView.setScrollBar(scrollBar);
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}
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```
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Scrollbar styling:
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``` xml
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<com.github.barteksc.pdfviewpager.view.ScrollBar
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android:layout_width="wrap_content"
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android:layout_height="match_parent"
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app:sb_handlerColor="..." <!-- scrollbar handler color -->
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app:sb_indicatorColor="..." <!-- background color of current page indicator -->
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app:sb_indicatorTextColor="..." <!-- text color of current page indicator -->
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android:background="..." <!-- scrollbar background -->
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/>
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```
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## Additional options
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### Bitmap quality
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By default, generated bitmaps are _compressed_ with `RGB_565` format to reduce memory consumption.
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Rendering with `ARGB_8888` can be forced by using `pdfView.useBestQuality(true)` method.
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### Double tap zooming
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There are three zoom levels: min (default 1), mid (default 1.75) and max (default 3). On first double tap,
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view is zoomed to mid level, on second to max level, and on third returns to min level.
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If you are between mid and max levels, double tapping causes zooming to max and so on.
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Zoom levels can be changed using following methods:
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``` java
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void setMinZoom(float zoom);
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void setMidZoom(float zoom);
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void setMaxZoom(float zoom);
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```
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## License
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Created with the help of android-pdfview by [Joan Zapata](http://joanzapata.com/)
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```
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Copyright 2016 Bartosz Schiller
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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```

‎android-pdf-viewer/build.gradle

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apply plugin: 'com.android.library'
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ext {
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bintrayRepo = 'maven'
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bintrayName = 'android-pdf-viewer'
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publishedGroupId = 'com.github.barteksc'
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libraryName = 'AndroidPdfViewer'
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artifact = 'android-pdf-viewer'
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libraryDescription = 'Android view for displaying PDFs rendered with PdfiumAndroid'
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siteUrl = 'https://github.com/barteksc/AndroidPdfViewer'
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gitUrl = 'https://github.com/barteksc/AndroidPdfViewer.git'
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libraryVersion = '1.0.0'
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developerId = 'barteksc'
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developerName = 'Bartosz Schiller'
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developerEmail = '[email protected]'
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licenseName = 'The Apache Software License, Version 2.0'
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licenseUrl = 'http://www.apache.org/licenses/LICENSE-2.0.txt'
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allLicenses = ["Apache-2.0"]
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}
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android {
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compileSdkVersion 23
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buildToolsVersion '23.0.2'
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defaultConfig {
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minSdkVersion 11
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targetSdkVersion 23
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versionCode 1
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versionName "1.0.0"
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}
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}
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dependencies {
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compile 'com.github.barteksc:pdfium-android:1.0.2'
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}
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apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/installv1.gradle'
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apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/bintrayv1.gradle'

‎android-pdf-viewer/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.github.barteksc.pdfviewer">
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</manifest>

‎android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/AnimationManager.java

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/**
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* Copyright 2016 Bartosz Schiller
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* <p>
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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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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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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.github.barteksc.pdfviewer;
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import android.animation.Animator;
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import android.animation.Animator.AnimatorListener;
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import android.animation.ValueAnimator;
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import android.animation.ValueAnimator.AnimatorUpdateListener;
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import android.graphics.PointF;
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import android.view.animation.DecelerateInterpolator;
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/**
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* This manager is used by the PDFView to launch animations.
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* It uses the ValueAnimator appeared in API 11 to start
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* an animation, and call moveTo() on the PDFView as a result
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* of each animation update.
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*/
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class AnimationManager {
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/**
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* PDF View
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*/
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private PDFView pdfView;
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private ValueAnimator animation;
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public AnimationManager(PDFView pdfView) {
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this.pdfView = pdfView;
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}
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public void startXAnimation(float xFrom, float xTo) {
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if (animation != null) {
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animation.cancel();
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}
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animation = ValueAnimator.ofFloat(xFrom, xTo);
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animation.setInterpolator(new DecelerateInterpolator());
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animation.addUpdateListener(new XAnimation());
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animation.setDuration(400);
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animation.start();
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}
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public void startYAnimation(float yFrom, float yTo) {
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if (animation != null) {
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animation.cancel();
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}
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animation = ValueAnimator.ofFloat(yFrom, yTo);
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animation.setInterpolator(new DecelerateInterpolator());
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animation.addUpdateListener(new YAnimation());
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animation.setDuration(400);
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animation.start();
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}
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public void startZoomAnimation(float zoomFrom, float zoomTo) {
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if (animation != null) {
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animation.cancel();
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}
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animation = ValueAnimator.ofFloat(zoomFrom, zoomTo);
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animation.setInterpolator(new DecelerateInterpolator());
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ZoomAnimation zoomAnim = new ZoomAnimation();
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animation.addUpdateListener(zoomAnim);
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animation.addListener(zoomAnim);
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animation.setDuration(400);
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animation.start();
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}
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public void stopAll() {
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if (animation != null) {
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animation.cancel();
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animation = null;
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}
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}
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class XAnimation implements AnimatorUpdateListener {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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float offset = (Float) animation.getAnimatedValue();
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pdfView.moveTo(offset, pdfView.getCurrentYOffset());
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}
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}
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class YAnimation implements AnimatorUpdateListener {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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float offset = (Float) animation.getAnimatedValue();
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pdfView.moveTo(pdfView.getCurrentXOffset(), offset);
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}
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}
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class ZoomAnimation implements AnimatorUpdateListener, AnimatorListener {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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float zoom = (Float) animation.getAnimatedValue();
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pdfView.zoomCenteredTo(zoom, new PointF(pdfView.getWidth() / 2, pdfView.getHeight() / 2));
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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 onAnimationEnd(Animator animation) {
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pdfView.loadPages();
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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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@Override
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public void onAnimationStart(Animator animation) {
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}
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}
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}

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