├── app
├── .gitignore
├── src
│ └── main
│ │ ├── res
│ │ ├── values
│ │ │ ├── strings.xml
│ │ │ ├── colors.xml
│ │ │ ├── dimens.xml
│ │ │ └── styles.xml
│ │ ├── mipmap-hdpi
│ │ │ └── ic_launcher.png
│ │ ├── mipmap-mdpi
│ │ │ └── ic_launcher.png
│ │ ├── mipmap-xhdpi
│ │ │ └── ic_launcher.png
│ │ ├── mipmap-xxhdpi
│ │ │ └── ic_launcher.png
│ │ ├── mipmap-xxxhdpi
│ │ │ └── ic_launcher.png
│ │ ├── drawable
│ │ │ ├── img_wallhaven_426244.jpg
│ │ │ ├── img_wallhaven_431231.jpg
│ │ │ └── img_wallhaven_432740.jpg
│ │ ├── values-w820dp
│ │ │ └── dimens.xml
│ │ └── layout
│ │ │ └── activity_main.xml
│ │ ├── java
│ │ └── com
│ │ │ └── twiceyuan
│ │ │ └── galleryviewpager
│ │ │ ├── GalleryTransformer.kt
│ │ │ ├── MainActivity.kt
│ │ │ ├── ImagePagerAdapter.kt
│ │ │ └── infiniteViewPager
│ │ │ ├── InfinitePagerAdapter.java
│ │ │ └── InfiniteViewPager.java
│ │ └── AndroidManifest.xml
├── proguard-rules.pro
└── build.gradle
├── settings.gradle
├── art
└── sample.gif
├── .gitignore
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradle.properties
├── README.md
├── gradlew.bat
└── gradlew
/app/.gitignore:
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1 | /build
2 |
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/settings.gradle:
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1 | include ':app'
2 |
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/art/sample.gif:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/art/sample.gif
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/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/
5 | .DS_Store
6 | /build
7 | /captures
8 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | GalleryViewPager
3 |
4 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/gradle/wrapper/gradle-wrapper.jar
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/app/src/main/res/drawable/img_wallhaven_426244.jpg:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/drawable/img_wallhaven_426244.jpg
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/app/src/main/res/drawable/img_wallhaven_431231.jpg:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/drawable/img_wallhaven_431231.jpg
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/app/src/main/res/drawable/img_wallhaven_432740.jpg:
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https://raw.githubusercontent.com/twiceyuan/GalleryViewPager/HEAD/app/src/main/res/drawable/img_wallhaven_432740.jpg
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
7 |
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/app/src/main/res/values/dimens.xml:
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1 |
2 |
3 | 16dp
4 | 16dp
5 |
6 |
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Thu May 17 00:12:16 CST 2018
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
7 |
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/app/src/main/res/values-w820dp/dimens.xml:
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1 |
2 |
5 | 64dp
6 |
7 |
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/app/src/main/res/values/styles.xml:
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1 |
2 |
3 |
4 |
10 |
11 |
12 |
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/app/src/main/res/layout/activity_main.xml:
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1 |
2 |
10 |
11 |
16 |
17 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in /Users/twiceYuan/AndroidSDK/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
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/app/src/main/java/com/twiceyuan/galleryviewpager/GalleryTransformer.kt:
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1 | package com.twiceyuan.galleryviewpager
2 |
3 | import android.support.v4.view.ViewPager
4 | import android.view.View
5 |
6 | object GalleryTransformer : ViewPager.PageTransformer {
7 |
8 | private const val scale = 0.5f
9 |
10 | override fun transformPage(view: View, position: Float) {
11 | val scaleValue = 1 - Math.abs(position) * scale
12 | view.scaleX = scaleValue
13 | view.scaleY = scaleValue
14 | view.alpha = scaleValue
15 | view.pivotX = view.width * (1f - position - if (position > 0) 0.75f else -0.75f) * scale
16 | view.pivotY = view.height / 2f
17 | view.elevation = 1f - Math.abs(position)
18 | }
19 | }
20 |
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/app/src/main/java/com/twiceyuan/galleryviewpager/MainActivity.kt:
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1 | package com.twiceyuan.galleryviewpager
2 |
3 | import android.os.Bundle
4 | import android.support.v7.app.AppCompatActivity
5 | import com.twiceyuan.galleryviewpager.infiniteViewPager.InfinitePagerAdapter
6 | import kotlinx.android.synthetic.main.activity_main.*
7 |
8 | class MainActivity : AppCompatActivity() {
9 |
10 | override fun onCreate(savedInstanceState: Bundle?) {
11 | super.onCreate(savedInstanceState)
12 | setContentView(R.layout.activity_main)
13 |
14 | viewPager.offscreenPageLimit = 3
15 | viewPager.adapter = InfinitePagerAdapter(ImagePagerAdapter())
16 | viewPager.setPageTransformer(true, GalleryTransformer)
17 | }
18 | }
19 |
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/app/src/main/AndroidManifest.xml:
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1 |
2 |
4 |
5 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
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/gradle.properties:
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1 | # Project-wide Gradle settings.
2 |
3 | # IDE (e.g. Android Studio) users:
4 | # Gradle settings configured through the IDE *will override*
5 | # any settings specified in this file.
6 |
7 | # For more details on how to configure your build environment visit
8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
9 |
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m
13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
14 |
15 | # When configured, Gradle will run in incubating parallel mode.
16 | # This option should only be used with decoupled projects. More details, visit
17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
18 | # org.gradle.parallel=true
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/README.md:
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1 | # GalleryViewPager
2 |
3 | 7 行 ViewPager.Transformer 代码让 ViewPager 有 3D Gallery 效果
4 |
5 | ### 效果
6 |
7 | 
8 |
9 | ### 代码
10 |
11 | ```java
12 | public class GalleryTransformer implements ViewPager.PageTransformer {
13 | @Override
14 | public void transformPage(View view, float position) {
15 | float scale = 0.5f;
16 | float scaleValue = 1 - Math.abs(position) * scale;
17 | view.setScaleX(scaleValue);
18 | view.setScaleY(scaleValue);
19 | view.setAlpha(scaleValue);
20 | view.setPivotX(view.getWidth() * (1 - position - (position > 0 ? 1 : -1) * 0.75f) * scale);
21 | view.setElevation(position > -0.25 && position < 0.25 ? 1 : 0);
22 | }
23 | }
24 | ```
25 |
26 | ### 说明
27 |
28 | 1. 为了让中间的 Page 显示在最上层使用了 Elevation 只在 API 21 以上有效
29 | 2. ViewPager 循环借用了 [InfiniteViewPager](https://github.com/antonyt/InfiniteViewPager) 实现
30 | 3. 参考了项目 [MagicViewPager](https://github.com/hongyangAndroid/MagicViewPager)
31 |
32 | ### 许可
33 |
34 | MIT
35 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 | apply plugin: 'kotlin-android'
3 | apply plugin: 'kotlin-android-extensions'
4 |
5 | android {
6 | compileSdkVersion 27
7 | buildToolsVersion '27.0.3'
8 |
9 | defaultConfig {
10 | applicationId "com.twiceyuan.galleryviewpager"
11 | minSdkVersion 21
12 | targetSdkVersion 27
13 | versionCode 1
14 | versionName "1.0"
15 | }
16 | buildTypes {
17 | release {
18 | minifyEnabled false
19 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
20 | }
21 | }
22 | }
23 |
24 | dependencies {
25 | implementation fileTree(include: ['*.jar'], dir: 'libs')
26 |
27 | implementation 'com.android.support:appcompat-v7:27.1.1'
28 | implementation 'com.android.support:recyclerview-v7:27.1.1'
29 | implementation 'com.android.support:cardview-v7:27.1.1'
30 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
31 |
32 | testImplementation 'junit:junit:4.12'
33 | }
34 | repositories {
35 | mavenCentral()
36 | }
37 |
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/app/src/main/java/com/twiceyuan/galleryviewpager/ImagePagerAdapter.kt:
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1 | package com.twiceyuan.galleryviewpager
2 |
3 | import android.support.v4.view.PagerAdapter
4 | import android.support.v7.widget.AppCompatImageView
5 | import android.view.View
6 | import android.view.ViewGroup
7 | import android.widget.ImageView
8 | import android.widget.LinearLayout
9 |
10 | /**
11 | * Created by twiceYuan on 9/13/16.
12 | * Email: i@twiceyuan.com
13 | * Site: http://twiceyuan.com
14 | */
15 | class ImagePagerAdapter : PagerAdapter() {
16 |
17 | private var imgRes = intArrayOf(
18 | R.drawable.img_wallhaven_426244,
19 | R.drawable.img_wallhaven_431231,
20 | R.drawable.img_wallhaven_432740,
21 | R.drawable.img_wallhaven_426244,
22 | R.drawable.img_wallhaven_431231,
23 | R.drawable.img_wallhaven_432740,
24 | R.drawable.img_wallhaven_426244,
25 | R.drawable.img_wallhaven_431231,
26 | R.drawable.img_wallhaven_432740
27 | )
28 |
29 | override fun instantiateItem(container: ViewGroup, position: Int): Any {
30 | val view = AppCompatImageView(container.context)
31 | view.scaleType = ImageView.ScaleType.FIT_XY
32 | view.adjustViewBounds = true
33 | view.layoutParams = LinearLayout.LayoutParams(900, 400)
34 | view.setImageResource(imgRes[position])
35 | container.addView(view)
36 | return view
37 | }
38 |
39 | override fun destroyItem(container: ViewGroup, position: Int, any: Any) {
40 | container.removeView(any as View)
41 | }
42 |
43 | override fun getCount(): Int {
44 | return imgRes.size
45 | }
46 |
47 | override fun isViewFromObject(view: View, o: Any): Boolean {
48 | return view === o
49 | }
50 | }
51 |
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/gradlew.bat:
--------------------------------------------------------------------------------
1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
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/app/src/main/java/com/twiceyuan/galleryviewpager/infiniteViewPager/InfinitePagerAdapter.java:
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1 | package com.twiceyuan.galleryviewpager.infiniteViewPager;
2 |
3 | import android.database.DataSetObserver;
4 | import android.os.Parcelable;
5 | import android.support.v4.view.PagerAdapter;
6 | import android.util.Log;
7 | import android.view.View;
8 | import android.view.ViewGroup;
9 |
10 | /**
11 | * A PagerAdapter that wraps around another PagerAdapter to handle paging wrap-around.
12 | */
13 | public class InfinitePagerAdapter extends PagerAdapter {
14 |
15 | private static final String TAG = "InfinitePagerAdapter";
16 | private static final boolean DEBUG = false;
17 |
18 | private PagerAdapter adapter;
19 |
20 | public InfinitePagerAdapter(PagerAdapter adapter) {
21 | this.adapter = adapter;
22 | }
23 |
24 | @Override
25 | public int getCount() {
26 | if (getRealCount() == 0) {
27 | return 0;
28 | }
29 | // warning: scrolling to very high values (1,000,000+) results in
30 | // strange drawing behaviour
31 | return Integer.MAX_VALUE;
32 | }
33 |
34 | /**
35 | * @return the {@link #getCount()} result of the wrapped adapter
36 | */
37 | public int getRealCount() {
38 | return adapter.getCount();
39 | }
40 |
41 | @Override
42 | public Object instantiateItem(ViewGroup container, int position) {
43 | int virtualPosition = position % getRealCount();
44 | debug("instantiateItem: real position: " + position);
45 | debug("instantiateItem: virtual position: " + virtualPosition);
46 |
47 | // only expose virtual position to the inner adapter
48 | return adapter.instantiateItem(container, virtualPosition);
49 | }
50 |
51 | @Override
52 | public void destroyItem(ViewGroup container, int position, Object object) {
53 | int virtualPosition = position % getRealCount();
54 | debug("destroyItem: real position: " + position);
55 | debug("destroyItem: virtual position: " + virtualPosition);
56 |
57 | // only expose virtual position to the inner adapter
58 | adapter.destroyItem(container, virtualPosition, object);
59 | }
60 |
61 | /*
62 | * Delegate rest of methods directly to the inner adapter.
63 | */
64 |
65 | @Override
66 | public void finishUpdate(ViewGroup container) {
67 | adapter.finishUpdate(container);
68 | }
69 |
70 | @Override
71 | public boolean isViewFromObject(View view, Object object) {
72 | return adapter.isViewFromObject(view, object);
73 | }
74 |
75 | @Override
76 | public void restoreState(Parcelable bundle, ClassLoader classLoader) {
77 | adapter.restoreState(bundle, classLoader);
78 | }
79 |
80 | @Override
81 | public Parcelable saveState() {
82 | return adapter.saveState();
83 | }
84 |
85 | @Override
86 | public void startUpdate(ViewGroup container) {
87 | adapter.startUpdate(container);
88 | }
89 |
90 | @Override
91 | public CharSequence getPageTitle(int position) {
92 | int virtualPosition = position % getRealCount();
93 | return adapter.getPageTitle(virtualPosition);
94 | }
95 |
96 | @Override
97 | public float getPageWidth(int position) {
98 | return adapter.getPageWidth(position);
99 | }
100 |
101 | @Override
102 | public void setPrimaryItem(ViewGroup container, int position, Object object) {
103 | adapter.setPrimaryItem(container, position, object);
104 | }
105 |
106 | @Override
107 | public void unregisterDataSetObserver(DataSetObserver observer) {
108 | adapter.unregisterDataSetObserver(observer);
109 | }
110 |
111 | @Override
112 | public void registerDataSetObserver(DataSetObserver observer) {
113 | adapter.registerDataSetObserver(observer);
114 | }
115 |
116 | @Override
117 | public void notifyDataSetChanged() {
118 | adapter.notifyDataSetChanged();
119 | }
120 |
121 | @Override
122 | public int getItemPosition(Object object) {
123 | return adapter.getItemPosition(object);
124 | }
125 |
126 | /*
127 | * End delegation
128 | */
129 |
130 | private void debug(String message) {
131 | if (DEBUG) {
132 | Log.d(TAG, message);
133 | }
134 | }
135 | }
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/app/src/main/java/com/twiceyuan/galleryviewpager/infiniteViewPager/InfiniteViewPager.java:
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1 | package com.twiceyuan.galleryviewpager.infiniteViewPager;
2 |
3 | import android.content.Context;
4 | import android.support.v4.view.PagerAdapter;
5 | import android.support.v4.view.ViewPager;
6 | import android.util.AttributeSet;
7 | import android.view.GestureDetector;
8 | import android.view.MotionEvent;
9 | import android.view.View;
10 |
11 | /**
12 | * A {@link ViewPager} that allows pseudo-infinite paging with a wrap-around effect. Should be used with an {@link
13 | * InfinitePagerAdapter}.
14 | */
15 | public class InfiniteViewPager extends ViewPager {
16 |
17 | private OnItemClickListener mOnItemClickListener;
18 |
19 | public InfiniteViewPager(Context context) {
20 | super(context);
21 | setup();
22 | }
23 |
24 | public InfiniteViewPager(Context context, AttributeSet attrs) {
25 | super(context, attrs);
26 | setup();
27 | }
28 |
29 | public interface OnItemClickListener {
30 | void onItemClick(int position);
31 | }
32 |
33 | private void setup() {
34 | final GestureDetector tapGestureDetector = new GestureDetector(getContext(), new TapGestureListener());
35 |
36 | setOnTouchListener(new OnTouchListener() {
37 | @Override
38 | public boolean onTouch(View v, MotionEvent event) {
39 | tapGestureDetector.onTouchEvent(event);
40 | return false;
41 | }
42 | });
43 | }
44 |
45 | @Override
46 | public void setAdapter(PagerAdapter adapter) {
47 | super.setAdapter(adapter);
48 | // offset first element so that we can scroll to the left
49 | setCurrentItem(0);
50 | }
51 |
52 | @Override
53 | public void setCurrentItem(int item) {
54 | // offset the current item to ensure there is space to scroll
55 | setCurrentItem(item, false);
56 | }
57 |
58 | @Override
59 | public void setCurrentItem(int item, boolean smoothScroll) {
60 | if (getAdapter().getCount() == 0) {
61 | super.setCurrentItem(item, smoothScroll);
62 | return;
63 | }
64 | item = getOffsetAmount() + (item % getAdapter().getCount());
65 | super.setCurrentItem(item, smoothScroll);
66 | }
67 |
68 | @Override
69 | public int getCurrentItem() {
70 | if (getAdapter().getCount() == 0) {
71 | return super.getCurrentItem();
72 | }
73 | int position = super.getCurrentItem();
74 | if (getAdapter() instanceof InfinitePagerAdapter) {
75 | InfinitePagerAdapter infAdapter = (InfinitePagerAdapter) getAdapter();
76 | // Return the actual item position in the data backing InfinitePagerAdapter
77 | return (position % infAdapter.getRealCount());
78 | } else {
79 | return super.getCurrentItem();
80 | }
81 | }
82 |
83 | public int getRealCurrentItem() {
84 | return super.getCurrentItem();
85 | }
86 |
87 | public void setRealCurrentItem(int item, boolean smoothScroll) {
88 | super.setCurrentItem(item, smoothScroll);
89 | }
90 |
91 | public void setRealCurrentItem(int item) {
92 | super.setCurrentItem(item);
93 | }
94 |
95 | private int getOffsetAmount() {
96 | if (getAdapter().getCount() == 0) {
97 | return 0;
98 | }
99 | if (getAdapter() instanceof InfinitePagerAdapter) {
100 | InfinitePagerAdapter infAdapter = (InfinitePagerAdapter) getAdapter();
101 | // allow for 100 back cycles from the beginning
102 | // should be enough to create an illusion of infinity
103 | // warning: scrolling to very high values (1,000,000+) results in
104 | // strange drawing behaviour
105 | return infAdapter.getRealCount() * 1000;
106 | } else {
107 | return 0;
108 | }
109 | }
110 | public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
111 | mOnItemClickListener = onItemClickListener;
112 | }
113 |
114 | private class TapGestureListener extends GestureDetector.SimpleOnGestureListener {
115 |
116 | @Override
117 | public boolean onSingleTapConfirmed(MotionEvent e) {
118 | if(mOnItemClickListener != null) {
119 | mOnItemClickListener.onItemClick(getCurrentItem());
120 | }
121 | return true;
122 | }
123 | }
124 | }
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/gradlew:
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1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # Attempt to set APP_HOME
46 | # Resolve links: $0 may be a link
47 | PRG="$0"
48 | # Need this for relative symlinks.
49 | while [ -h "$PRG" ] ; do
50 | ls=`ls -ld "$PRG"`
51 | link=`expr "$ls" : '.*-> \(.*\)$'`
52 | if expr "$link" : '/.*' > /dev/null; then
53 | PRG="$link"
54 | else
55 | PRG=`dirname "$PRG"`"/$link"
56 | fi
57 | done
58 | SAVED="`pwd`"
59 | cd "`dirname \"$PRG\"`/" >/dev/null
60 | APP_HOME="`pwd -P`"
61 | cd "$SAVED" >/dev/null
62 |
63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
64 |
65 | # Determine the Java command to use to start the JVM.
66 | if [ -n "$JAVA_HOME" ] ; then
67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
68 | # IBM's JDK on AIX uses strange locations for the executables
69 | JAVACMD="$JAVA_HOME/jre/sh/java"
70 | else
71 | JAVACMD="$JAVA_HOME/bin/java"
72 | fi
73 | if [ ! -x "$JAVACMD" ] ; then
74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
75 |
76 | Please set the JAVA_HOME variable in your environment to match the
77 | location of your Java installation."
78 | fi
79 | else
80 | JAVACMD="java"
81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
82 |
83 | Please set the JAVA_HOME variable in your environment to match the
84 | location of your Java installation."
85 | fi
86 |
87 | # Increase the maximum file descriptors if we can.
88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
89 | MAX_FD_LIMIT=`ulimit -H -n`
90 | if [ $? -eq 0 ] ; then
91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
92 | MAX_FD="$MAX_FD_LIMIT"
93 | fi
94 | ulimit -n $MAX_FD
95 | if [ $? -ne 0 ] ; then
96 | warn "Could not set maximum file descriptor limit: $MAX_FD"
97 | fi
98 | else
99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
100 | fi
101 | fi
102 |
103 | # For Darwin, add options to specify how the application appears in the dock
104 | if $darwin; then
105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
106 | fi
107 |
108 | # For Cygwin, switch paths to Windows format before running java
109 | if $cygwin ; then
110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
112 | JAVACMD=`cygpath --unix "$JAVACMD"`
113 |
114 | # We build the pattern for arguments to be converted via cygpath
115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
116 | SEP=""
117 | for dir in $ROOTDIRSRAW ; do
118 | ROOTDIRS="$ROOTDIRS$SEP$dir"
119 | SEP="|"
120 | done
121 | OURCYGPATTERN="(^($ROOTDIRS))"
122 | # Add a user-defined pattern to the cygpath arguments
123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125 | fi
126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
127 | i=0
128 | for arg in "$@" ; do
129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
131 |
132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134 | else
135 | eval `echo args$i`="\"$arg\""
136 | fi
137 | i=$((i+1))
138 | done
139 | case $i in
140 | (0) set -- ;;
141 | (1) set -- "$args0" ;;
142 | (2) set -- "$args0" "$args1" ;;
143 | (3) set -- "$args0" "$args1" "$args2" ;;
144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150 | esac
151 | fi
152 |
153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154 | function splitJvmOpts() {
155 | JVM_OPTS=("$@")
156 | }
157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
159 |
160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
161 |
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