├── settings.gradle.kts ├── pager-indicator ├── gradle.properties ├── src │ └── main │ │ ├── AndroidManifest.xml │ │ ├── res │ │ └── values │ │ │ └── attrs.xml │ │ └── java │ │ └── me │ │ └── panpf │ │ └── pagerid │ │ └── PagerIndicator.java ├── .gitignore ├── proguard-rules.pro └── build.gradle.kts ├── docs ├── logo.png ├── sample.gif └── sample2.png ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── sample ├── src │ └── main │ │ ├── ic_launcher-web.png │ │ ├── res │ │ ├── values │ │ │ ├── dimens.xml │ │ │ ├── ids.xml │ │ │ ├── strings.xml │ │ │ ├── colors.xml │ │ │ └── styles.xml │ │ ├── drawable-hdpi │ │ │ ├── ic_launcher.png │ │ │ ├── image_sliding_block.9.png │ │ │ ├── pager_sliding_block.9.png │ │ │ └── sliding_tab_strip_background.9.png │ │ ├── drawable-mdpi │ │ │ └── ic_launcher.png │ │ ├── drawable-xhdpi │ │ │ └── ic_launcher.png │ │ ├── layout │ │ │ ├── tab.xml │ │ │ ├── include_shadow_down.xml │ │ │ ├── include_shadow_up.xml │ │ │ └── activity_sliding_tab_strip.xml │ │ ├── drawable │ │ │ ├── shape_shadow_up.xml │ │ │ ├── shape_shadow_down.xml │ │ │ └── selector_slide_title.xml │ │ └── color │ │ │ └── selector_slide_title.xml │ │ ├── AndroidManifest.xml │ │ └── java │ │ └── me │ │ └── panpf │ │ └── pagerid │ │ └── sample │ │ ├── ViewPagerAdapter.java │ │ ├── MainActivity.java │ │ └── Colors.java └── build.gradle.kts ├── .gitignore ├── gradle.properties ├── gradlew.bat ├── README.md └── gradlew /settings.gradle.kts: -------------------------------------------------------------------------------- 1 | include(":sample", ":pager-indicator") -------------------------------------------------------------------------------- /pager-indicator/gradle.properties: -------------------------------------------------------------------------------- 1 | POM_ARTIFACT_ID=pagerindicator -------------------------------------------------------------------------------- /docs/logo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/docs/logo.png -------------------------------------------------------------------------------- /docs/sample.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/docs/sample.gif -------------------------------------------------------------------------------- /docs/sample2.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/docs/sample2.png -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /pager-indicator/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | -------------------------------------------------------------------------------- /sample/src/main/ic_launcher-web.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/sample/src/main/ic_launcher-web.png -------------------------------------------------------------------------------- /sample/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 2dp 3 | 4 | -------------------------------------------------------------------------------- /sample/src/main/res/values/ids.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/sample/src/main/res/drawable-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/sample/src/main/res/drawable-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/sample/src/main/res/drawable-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | PagerIndicator 4 | 5 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable-hdpi/image_sliding_block.9.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/sample/src/main/res/drawable-hdpi/image_sliding_block.9.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-hdpi/pager_sliding_block.9.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/sample/src/main/res/drawable-hdpi/pager_sliding_block.9.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-hdpi/sliding_tab_strip_background.9.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/panpf/pager-indicator/HEAD/sample/src/main/res/drawable-hdpi/sliding_tab_strip_background.9.png -------------------------------------------------------------------------------- /sample/src/main/res/layout/tab.xml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Tue Oct 28 13:32:11 CST 2014 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-6.7.1-bin.zip 7 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable/shape_shadow_up.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 7 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable/shape_shadow_down.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 7 | -------------------------------------------------------------------------------- /sample/src/main/res/layout/include_shadow_down.xml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /sample/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | #ff00bfff 8 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable/selector_slide_title.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /sample/src/main/res/layout/include_shadow_up.xml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /sample/src/main/res/color/selector_slide_title.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | -------------------------------------------------------------------------------- /pager-indicator/.gitignore: -------------------------------------------------------------------------------- 1 | # built application files 2 | #*.apk 3 | *.ap_ 4 | proguard_logs/ 5 | 6 | # files for the dex VM 7 | *.dex 8 | 9 | # Java class files 10 | *.class 11 | 12 | # Local configuration file (sdk path, etc) 13 | local.properties 14 | 15 | # Eclipse project files 16 | #.classpath 17 | #.project 18 | #.settings/ 19 | bin/ 20 | gen/ 21 | 22 | # Idea files 23 | .idea/ 24 | *.iml 25 | 26 | # Gradle files 27 | .gradle/ 28 | build/ 29 | 30 | # Mac files 31 | .DS_Store 32 | 33 | captures/ -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # built application files 2 | #*.apk 3 | *.ap_ 4 | proguard_logs/ 5 | 6 | # files for the dex VM 7 | *.dex 8 | 9 | # Java class files 10 | *.class 11 | 12 | # Local configuration file (sdk path, etc) 13 | local.properties 14 | 15 | # Eclipse project files 16 | #.classpath 17 | #.project 18 | #.settings/ 19 | bin/ 20 | gen/ 21 | 22 | # Idea files 23 | .idea/ 24 | *.iml 25 | 26 | # Gradle files 27 | .gradle/ 28 | build/ 29 | 30 | # Mac files 31 | .DS_Store 32 | 33 | # Signature files 34 | *.jks -------------------------------------------------------------------------------- /pager-indicator/src/main/res/values/attrs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /pager-indicator/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in ${sdk.dir}/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /sample/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /sample/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | id("com.android.application") 3 | } 4 | 5 | android { 6 | compileSdkVersion(property("COMPILE_SDK_VERSION").toString().toInt()) 7 | 8 | defaultConfig { 9 | applicationId = "me.panpf.pagerid.sample" 10 | 11 | minSdkVersion(property("MIN_SDK_VERSION").toString().toInt()) 12 | targetSdkVersion(property("TARGET_SDK_VERSION").toString().toInt()) 13 | versionCode = property("VERSION_CODE").toString().toInt() 14 | versionName = property("VERSION_NAME").toString() 15 | } 16 | 17 | buildTypes { 18 | getByName("release") { 19 | isMinifyEnabled = false 20 | proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro") 21 | } 22 | } 23 | } 24 | 25 | dependencies { 26 | implementation(project(":pager-indicator")) 27 | implementation("com.android.support:appcompat-v7:${property("ANDROID_SUPPORT_LIBRARY_VERSION")}") 28 | } 29 | -------------------------------------------------------------------------------- /sample/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 9 | 10 | 11 | 23 | 24 | -------------------------------------------------------------------------------- /pager-indicator/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | id("com.android.library") 3 | } 4 | 5 | android { 6 | compileSdkVersion(property("COMPILE_SDK_VERSION").toString().toInt()) 7 | 8 | defaultConfig { 9 | minSdkVersion(property("MIN_SDK_VERSION").toString().toInt()) 10 | targetSdkVersion(property("TARGET_SDK_VERSION").toString().toInt()) 11 | versionCode = property("VERSION_CODE").toString().toInt() 12 | versionName = property("VERSION_NAME").toString() 13 | } 14 | 15 | buildTypes { 16 | getByName("release") { 17 | isMinifyEnabled = false 18 | proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro") 19 | } 20 | } 21 | } 22 | 23 | dependencies { 24 | api("com.android.support:support-core-ui:${property("ANDROID_SUPPORT_LIBRARY_VERSION")}") 25 | } 26 | 27 | /** 28 | * publish config 29 | */ 30 | if (hasProperty("signing.keyId") // configured in the ~/.gradle/gradle.properties file 31 | && hasProperty("signing.password") // configured in the ~/.gradle/gradle.properties file 32 | && hasProperty("signing.secretKeyRingFile") // configured in the ~/.gradle/gradle.properties file 33 | && hasProperty("mavenCentralUsername") // configured in the ~/.gradle/gradle.properties file 34 | && hasProperty("mavenCentralPassword") // configured in the ~/.gradle/gradle.properties file 35 | && hasProperty("GROUP") // configured in the rootProject/gradle.properties file 36 | && hasProperty("POM_ARTIFACT_ID") // configured in the project/gradle.properties file 37 | ) { 38 | apply { plugin("com.vanniktech.maven.publish") } 39 | 40 | configure { 41 | sonatypeHost = com.vanniktech.maven.publish.SonatypeHost.S01 42 | } 43 | } -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 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 19 | 20 | COMPILE_SDK_VERSION=25 21 | 22 | MIN_SDK_VERSION=9 23 | TARGET_SDK_VERSION=25 24 | 25 | VERSION_CODE=180 26 | VERSION_NAME=1.8.0 27 | 28 | ANDROID_SUPPORT_LIBRARY_VERSION=25.3.0 29 | 30 | #------------------------------------------ publish config ----------------------------------------# 31 | GROUP=io.github.panpf.pagerindicator 32 | #VERSION_NAME=1.0.0 33 | 34 | POM_NAME=PagerIndicator 35 | POM_DESCRIPTION=Android Pager Indicator 36 | POM_URL=https://github.com/panpf/pager-indicator 37 | 38 | POM_SCM_URL=https://github.com/panpf/pager-indicator 39 | POM_SCM_CONNECTION=https://github.com/panpf/pager-indicator.git 40 | POM_SCM_DEV_CONNECTION=https://github.com/panpf/pager-indicator.git 41 | 42 | POM_LICENCE_NAME=The Apache Software License, Version 2.0 43 | POM_LICENCE_URL=https://www.apache.org/licenses/LICENSE-2.0.txt 44 | POM_LICENCE_DIST=repo 45 | 46 | POM_DEVELOPER_ID=panpf 47 | POM_DEVELOPER_NAME=panpf 48 | POM_DEVELOPER_URL=https://github.com/panpf/ -------------------------------------------------------------------------------- /sample/src/main/java/me/panpf/pagerid/sample/ViewPagerAdapter.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2013 Peng fei Pan 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package me.panpf.pagerid.sample; 17 | 18 | import android.support.v4.view.PagerAdapter; 19 | import android.view.View; 20 | import android.view.ViewGroup; 21 | 22 | import java.util.List; 23 | 24 | /** 25 | * 滑动视图适配器 26 | */ 27 | public class ViewPagerAdapter extends PagerAdapter { 28 | private List viewList; 29 | 30 | public ViewPagerAdapter(List viewList){ 31 | setViewList(viewList); 32 | } 33 | 34 | @Override 35 | public void destroyItem(ViewGroup container, int position, Object object) { 36 | container.removeView(viewList.get(position)); 37 | } 38 | 39 | @Override 40 | public Object instantiateItem(ViewGroup container, int position) { 41 | container.addView(viewList.get(position), 0); 42 | return viewList.get(position); 43 | } 44 | 45 | @Override 46 | public int getCount() { 47 | return viewList.size(); 48 | } 49 | 50 | @Override 51 | public boolean isViewFromObject(View arg0, Object arg1) { 52 | return arg0 == arg1; 53 | } 54 | 55 | public List getViewList() { 56 | return viewList; 57 | } 58 | 59 | public void setViewList(List viewList) { 60 | this.viewList = viewList; 61 | } 62 | } 63 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # ![logo_image] PagerIndicator 2 | 3 | ![Platform][platform_image] 4 | [![API][min_api_image]][min_api_link] 5 | [![Android Arsenal][android_arsenal_image]][android_arsenal-link] 6 | [![Release Version][version_icon]][version_link] 7 | 8 | 这是 Android 上的一个 ViewPager 页面指示器组件，用于标识当前显示的页面 9 | 10 | ![sample_image] 11 | 12 | ## 特性 13 | 14 | * 当所有的 Tab 在横向上无法充满整个屏幕的时候，将会根据 allowWidthFull 参数决定是否调整所有的 Item 来充满。调整的规则是平均分配每个 Tab 的宽度，如果某个 Tab 的最小宽度大于平均宽度，那么其宽度保持不变 15 | * 当所有的 Tab 在横向上能够充满整个屏幕的时候，将会从左到右依次排列 16 | * 用法简单，支持在布局中直接包含 View 或者在代码中直接调用 PagerIndicator.addTab() 方法添加 17 | * Tab View 支持设置外边距 18 | * 支持通过 disableTensileSlidingBlock 属性设置是否拉伸滑块图片 19 | 20 | ## 开始使用 21 | 22 | ### 1. 从 mavenCentral 导入 PagerIndicator 23 | 24 | 在 app 的 build.gradle 文件的 dependencies 节点中加入依赖 25 | 26 | ```kotlin 27 | dependencies { 28 | implementation("io.github.panpf.pagerindicator:pagerindicator:${LAST_VERSION}") 29 | } 30 | ``` 31 | 32 | `${LAST_VERSION}`: [![Download][version_icon]][version_link] (No include 'v') 33 | 34 | ### 2. 在布局中使用 35 | 36 | ```xml 37 | 45 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | ``` 55 | 56 | 效果图如下： 57 | 58 | ![sample_image2] 59 | 60 | 你还可以在代码中通过 PagerIndicator.setTabViewFactory() 方法添加Tab 61 | 62 | 支持的布局属性： 63 | 64 | * ``pi_slidingBlock``：指定滑块图片，对应的方法是 PagerIndicator.setSlidingBlockDrawable(Drawable) 65 | * ``pi_allowWidthFull``：当所有 Tab 无法充满 PagerIndicator 时是否自动调整所有 Tab 的宽度来达到充满的目的，对应的方式是 PagerIndicator.setAllowWidthFull(boolean) 66 | * ``pi_disableViewPager``：禁用 ViewPager，禁用后不会有初始选中状态效果，也不会绘制滑块，你调用 setViewPager() 方法也不会起作用 67 | * ``pi_disableTensileSlidingBlock``：禁止拉伸滑块图片 68 | 69 | ### 3. 绑定 ViewPager 70 | 71 | ```java 72 | ViewPager viewPager = (ViewPager) findViewById(R.id.viewPager); 73 | viewPager.setAdapter(...); 74 | 75 | PagerIndicator pagerIndicator = (PagerIndicator) findViewById(R.id.slidingTabStrip); 76 | pagerIndicator.setViewPager(viewPager); 77 | ``` 78 | 79 | 注意： 80 | 81 | * 在调用 setViewPager(ViewPager) 方法之前要先设置 ViewPager 的 Adapter 82 | 83 | 你还可以直接调用 ViewPager.setCurrentItem(int) 方法来改变默认 Tab，无论是在调用 setViewPager(ViewPager) 方法之前还是之后都可以 84 | 85 | 更多内容请参见 sample 源码 86 | 87 | ## License 88 | Copyright (C) 2017 Peng fei Pan 89 | 90 | Licensed under the Apache License, Version 2.0 (the "License"); 91 | you may not use this file except in compliance with the License. 92 | You may obtain a copy of the License at 93 | 94 | http://www.apache.org/licenses/LICENSE-2.0 95 | 96 | Unless required by applicable law or agreed to in writing, software 97 | distributed under the License is distributed on an "AS IS" BASIS, 98 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 99 | See the License for the specific language governing permissions and 100 | limitations under the License. 101 | 102 | [logo_image]: docs/logo.png 103 | [platform_image]: https://img.shields.io/badge/Platform-Android-brightgreen.svg 104 | [min_api_image]: https://img.shields.io/badge/API-9%2B-orange.svg 105 | [min_api_link]: https://android-arsenal.com/api?level=9 106 | [android_arsenal_image]: https://img.shields.io/badge/Android%20Arsenal-PagerIndicator-green.svg?style=true 107 | [android_arsenal-link]: https://android-arsenal.com/details/1/4176 108 | [version_icon]: https://img.shields.io/maven-central/v/io.github.panpf.pagerindicator/pagerindicator 109 | [version_link]: https://repo1.maven.org/maven2/io/github/panpf/pagerindicator/ 110 | [sample_image]: docs/sample.gif 111 | [sample_image2]: docs/sample2.png 112 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 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 | # For Cygwin, ensure paths are in UNIX format before anything is touched. 46 | if $cygwin ; then 47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 48 | fi 49 | 50 | # Attempt to set APP_HOME 51 | # Resolve links: $0 may be a link 52 | PRG="$0" 53 | # Need this for relative symlinks. 54 | while [ -h "$PRG" ] ; do 55 | ls=`ls -ld "$PRG"` 56 | link=`expr "$ls" : '.*-> \(.*\)$'` 57 | if expr "$link" : '/.*' > /dev/null; then 58 | PRG="$link" 59 | else 60 | PRG=`dirname "$PRG"`"/$link" 61 | fi 62 | done 63 | SAVED="`pwd`" 64 | cd "`dirname \"$PRG\"`/" >&- 65 | APP_HOME="`pwd -P`" 66 | cd "$SAVED" >&- 67 | 68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 69 | 70 | # Determine the Java command to use to start the JVM. 71 | if [ -n "$JAVA_HOME" ] ; then 72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 73 | # IBM's JDK on AIX uses strange locations for the executables 74 | JAVACMD="$JAVA_HOME/jre/sh/java" 75 | else 76 | JAVACMD="$JAVA_HOME/bin/java" 77 | fi 78 | if [ ! -x "$JAVACMD" ] ; then 79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 80 | 81 | Please set the JAVA_HOME variable in your environment to match the 82 | location of your Java installation." 83 | fi 84 | else 85 | JAVACMD="java" 86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 87 | 88 | Please set the JAVA_HOME variable in your environment to match the 89 | location of your Java installation." 90 | fi 91 | 92 | # Increase the maximum file descriptors if we can. 93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 94 | MAX_FD_LIMIT=`ulimit -H -n` 95 | if [ $? -eq 0 ] ; then 96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 97 | MAX_FD="$MAX_FD_LIMIT" 98 | fi 99 | ulimit -n $MAX_FD 100 | if [ $? -ne 0 ] ; then 101 | warn "Could not set maximum file descriptor limit: $MAX_FD" 102 | fi 103 | else 104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 105 | fi 106 | fi 107 | 108 | # For Darwin, add options to specify how the application appears in the dock 109 | if $darwin; then 110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 111 | fi 112 | 113 | # For Cygwin, switch paths to Windows format before running java 114 | if $cygwin ; then 115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 165 | -------------------------------------------------------------------------------- /sample/src/main/java/me/panpf/pagerid/sample/MainActivity.java: -------------------------------------------------------------------------------- 1 | package me.panpf.pagerid.sample; 2 | 3 | import android.annotation.SuppressLint; 4 | import android.annotation.TargetApi; 5 | import android.content.Intent; 6 | import android.net.Uri; 7 | import android.os.Build; 8 | import android.os.Bundle; 9 | import android.support.v4.view.ViewPager; 10 | import android.support.v7.app.AppCompatActivity; 11 | import android.view.LayoutInflater; 12 | import android.view.Menu; 13 | import android.view.MenuItem; 14 | import android.view.View; 15 | import android.view.ViewGroup; 16 | import android.widget.TextView; 17 | import android.widget.Toast; 18 | 19 | import java.util.ArrayList; 20 | import java.util.List; 21 | import java.util.Random; 22 | 23 | import me.panpf.pagerid.PagerIndicator; 24 | 25 | public class MainActivity extends AppCompatActivity { 26 | private static final int[] colors = new int[]{Colors.SKYBLUE, Colors.CHOCOLATE, Colors.CYAN, Colors.FUCHSIA, Colors.GOLD, Colors.BLUE, Colors.GREEN, Colors.RED, Colors.YELLOW, Colors.GRAY}; 27 | 28 | @Override 29 | public void onCreate(Bundle savedInstanceState) { 30 | super.onCreate(savedInstanceState); 31 | setContentView(R.layout.activity_sliding_tab_strip); 32 | 33 | PagerIndicator pagerIndicator1 = (PagerIndicator) findViewById(R.id.slidingTabStrip_1); 34 | PagerIndicator pagerIndicator2 = (PagerIndicator) findViewById(R.id.slidingTabStrip_2); 35 | PagerIndicator pagerIndicator3 = (PagerIndicator) findViewById(R.id.slidingTabStrip_3); 36 | PagerIndicator pagerIndicator4 = (PagerIndicator) findViewById(R.id.slidingTabStrip_4); 37 | ViewPager viewPager1 = (ViewPager) findViewById(R.id.viewPager_1); 38 | ViewPager viewPager2 = (ViewPager) findViewById(R.id.viewPager_2); 39 | ViewPager viewPager3 = (ViewPager) findViewById(R.id.viewPager_3); 40 | ViewPager viewPager4 = (ViewPager) findViewById(R.id.viewPager_4); 41 | 42 | pagerIndicator3.setTabViewFactory(new PagerIndicator.TabViewFactory() { 43 | @Override 44 | public void addTabs(ViewGroup parent, int currentItemPosition) { 45 | parent.removeAllViews(); 46 | 47 | TextView textView1 = (TextView) LayoutInflater.from(MainActivity.this).inflate(R.layout.tab, parent, false); 48 | textView1.setText("详情"); 49 | parent.addView(textView1); 50 | 51 | TextView textView2 = (TextView) LayoutInflater.from(MainActivity.this).inflate(R.layout.tab, parent, false); 52 | textView2.setText("评论"); 53 | parent.addView(textView2); 54 | 55 | TextView textView3 = (TextView) LayoutInflater.from(MainActivity.this).inflate(R.layout.tab, parent, false); 56 | textView3.setText("攻略"); 57 | parent.addView(textView3); 58 | } 59 | }); 60 | 61 | pagerIndicator4.setTabViewFactory(new PagerIndicator.TabViewFactory() { 62 | @Override 63 | public void addTabs(ViewGroup parent, int currentItemPosition) { 64 | parent.removeAllViews(); 65 | 66 | TextView textView1 = (TextView) LayoutInflater.from(MainActivity.this).inflate(R.layout.tab, parent, false); 67 | textView1.setText("聊天"); 68 | parent.addView(textView1); 69 | 70 | TextView textView2 = (TextView) LayoutInflater.from(MainActivity.this).inflate(R.layout.tab, parent, false); 71 | textView2.setText("发现"); 72 | parent.addView(textView2); 73 | } 74 | }); 75 | 76 | init(0, pagerIndicator1, viewPager1); 77 | init(1, pagerIndicator2, viewPager2); 78 | init(2, pagerIndicator3, viewPager3); 79 | init(3, pagerIndicator4, viewPager4); 80 | } 81 | 82 | private void init(int index, PagerIndicator pagerIndicator, ViewPager viewPager) { 83 | int length = pagerIndicator.getTabCount(); 84 | List views = new ArrayList(length); 85 | Random random = new Random(); 86 | for (int w = 0; w < length; w++) { 87 | views.add(getContentView(colors[Math.abs(random.nextInt()) % colors.length])); 88 | } 89 | viewPager.setAdapter(new ViewPagerAdapter(views)); 90 | viewPager.setCurrentItem(index < length ? index : length); 91 | pagerIndicator.setViewPager(viewPager); 92 | 93 | pagerIndicator.setOnClickTabListener(new PagerIndicator.OnClickTabListener() { 94 | @Override 95 | public void onClickTab(View tab, int index) { 96 | Toast.makeText(getBaseContext(), "点了第" + (index + 1) + "个TAB", Toast.LENGTH_SHORT).show(); 97 | } 98 | }); 99 | 100 | pagerIndicator.setOnDoubleClickTabListener(new PagerIndicator.OnDoubleClickTabListener() { 101 | @Override 102 | public void onDoubleClickTab(View view, int index) { 103 | Toast.makeText(getBaseContext(), "双击了第" + (index + 1) + "个TAB", Toast.LENGTH_SHORT).show(); 104 | } 105 | }); 106 | } 107 | 108 | private View getContentView(int color) { 109 | View view = new View(getBaseContext()); 110 | view.setBackgroundColor(color); 111 | return view; 112 | } 113 | 114 | @TargetApi(Build.VERSION_CODES.HONEYCOMB) 115 | @SuppressLint({"NewApi", "AlwaysShowAction"}) 116 | @Override 117 | public boolean onCreateOptionsMenu(Menu menu) { 118 | MenuItem menuItem = menu.add("GitHub"); 119 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { 120 | menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); 121 | } 122 | return super.onCreateOptionsMenu(menu); 123 | } 124 | 125 | @Override 126 | public boolean onOptionsItemSelected(MenuItem item) { 127 | Intent intent = new Intent(Intent.ACTION_VIEW); 128 | intent.setData(Uri.parse("https://github.com/panpf/pager-indicator")); 129 | startActivity(intent); 130 | return super.onOptionsItemSelected(item); 131 | } 132 | } -------------------------------------------------------------------------------- /sample/src/main/java/me/panpf/pagerid/sample/Colors.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2013 Peng fei Pan 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package me.panpf.pagerid.sample; 17 | 18 | /** 19 | * 提供一些常用的颜色 20 | */ 21 | public class Colors { 22 | /** 白色 */ 23 | public static final int WHITE = 0xffffffff; 24 | 25 | /** 白色 - 半透明 */ 26 | public static final int WHITE_TRANSLUCENT = 0x80ffffff; 27 | 28 | /** 黑色 */ 29 | public static final int BLACK = 0xff000000; 30 | 31 | /** 黑色 - 半透明 */ 32 | public static final int BLACK_TRANSLUCENT = 0x80000000; 33 | 34 | /** 透明 */ 35 | public static final int TRANSPARENT = 0x00000000; 36 | 37 | /** 红色 */ 38 | public static final int RED = 0xffff0000; 39 | 40 | /** 红色 - 半透明 */ 41 | public static final int RED_TRANSLUCENT = 0x80ff0000; 42 | 43 | /** 红色 - 深的 */ 44 | public static final int RED_DARK = 0xff8b0000; 45 | 46 | /** 红色 - 深的 - 半透明 */ 47 | public static final int RED_DARK_TRANSLUCENT = 0x808b0000; 48 | 49 | /** 绿色 */ 50 | public static final int GREEN = 0xff00ff00; 51 | 52 | /** 绿色 - 半透明 */ 53 | public static final int GREEN_TRANSLUCENT = 0x8000ff00; 54 | 55 | /** 绿色 - 深的 */ 56 | public static final int GREEN_DARK = 0xff003300; 57 | 58 | /** 绿色 - 深的 - 半透明 */ 59 | public static final int GREEN_DARK_TRANSLUCENT = 0x80003300; 60 | 61 | /** 绿色 - 浅的 */ 62 | public static final int GREEN_LIGHT = 0xffccffcc; 63 | 64 | /** 绿色 - 浅的 - 半透明 */ 65 | public static final int GREEN_LIGHT_TRANSLUCENT = 0x80ccffcc; 66 | 67 | /** 蓝色 */ 68 | public static final int BLUE = 0xff0000ff; 69 | 70 | /** 蓝色 - 半透明 */ 71 | public static final int BLUE_TRANSLUCENT = 0x800000ff; 72 | 73 | /** 蓝色 - 深的 */ 74 | public static final int BLUE_DARK = 0xff00008b; 75 | 76 | /** 蓝色 - 深的 - 半透明 */ 77 | public static final int BLUE_DARK_TRANSLUCENT = 0x8000008b; 78 | 79 | /** 蓝色 - 浅的 */ 80 | public static final int BLUE_LIGHT = 0xff36a5E3; 81 | 82 | /** 蓝色 - 浅的 - 半透明 */ 83 | public static final int BLUE_LIGHT_TRANSLUCENT = 0x8036a5E3; 84 | 85 | /** 天蓝 */ 86 | public static final int SKYBLUE = 0xff87ceeb; 87 | 88 | /** 天蓝 - 半透明 */ 89 | public static final int SKYBLUE_TRANSLUCENT = 0x8087ceeb; 90 | 91 | /** 天蓝 - 深的 */ 92 | public static final int SKYBLUE_DARK = 0xff00bfff; 93 | 94 | /** 天蓝 - 深的 - 半透明 */ 95 | public static final int SKYBLUE_DARK_TRANSLUCENT = 0x8000bfff; 96 | 97 | /** 天蓝 - 浅的 */ 98 | public static final int SKYBLUE_LIGHT = 0xff87cefa; 99 | 100 | /** 天蓝 - 浅的 - 半透明 */ 101 | public static final int SKYBLUE_LIGHT_TRANSLUCENT = 0x8087cefa; 102 | 103 | /** 灰色 */ 104 | public static final int GRAY = 0xff969696; 105 | 106 | /** 灰色 - 半透明 */ 107 | public static final int GRAY_TRANSLUCENT = 0x80969696; 108 | 109 | /** 灰色 - 深的 */ 110 | public static final int GRAY_DARK = 0xffa9a9a9; 111 | 112 | /** 灰色 - 深的 - 半透明 */ 113 | public static final int GRAY_DARK_TRANSLUCENT = 0x80a9a9a9; 114 | 115 | /** 灰色 - 暗的 */ 116 | public static final int GRAY_DIM = 0xff696969; 117 | 118 | /** 灰色 - 暗的 - 半透明 */ 119 | public static final int GRAY_DIM_TRANSLUCENT = 0x80696969; 120 | 121 | /** 灰色 - 浅的 */ 122 | public static final int GRAY_LIGHT = 0xffd3d3d3; 123 | 124 | /** 灰色 - 浅的 - 半透明 */ 125 | public static final int GRAY_LIGHT_TRANSLUCENT = 0x80d3d3d3; 126 | 127 | /** 橙色 */ 128 | public static final int ORANGE = 0xffffa500; 129 | 130 | /** 橙色 - 半透明 */ 131 | public static final int ORANGE_TRANSLUCENT = 0x80ffa500; 132 | 133 | /** 橙色 - 深的 */ 134 | public static final int ORANGE_DARK = 0xffff8800; 135 | 136 | /** 橙色 - 深的 - 半透明 */ 137 | public static final int ORANGE_DARK_TRANSLUCENT = 0x80ff8800; 138 | 139 | /** 橙色 - 浅的 */ 140 | public static final int ORANGE_LIGHT = 0xffffbb33; 141 | 142 | /** 橙色 - 浅的 - 半透明 */ 143 | public static final int ORANGE_LIGHT_TRANSLUCENT = 0x80ffbb33; 144 | 145 | /** 金色 */ 146 | public static final int GOLD = 0xffffd700; 147 | 148 | /** 金色 - 半透明 */ 149 | public static final int GOLD_TRANSLUCENT = 0x80ffd700; 150 | 151 | /** 粉色 */ 152 | public static final int PINK = 0xffffc0cb; 153 | 154 | /** 粉色 - 半透明 */ 155 | public static final int PINK_TRANSLUCENT = 0x80ffc0cb; 156 | 157 | /** 紫红色 */ 158 | public static final int FUCHSIA = 0xffff00ff; 159 | 160 | /** 紫红色 - 半透明 */ 161 | public static final int FUCHSIA_TRANSLUCENT = 0x80ff00ff; 162 | 163 | /** 灰白色 */ 164 | public static final int GRAYWHITE = 0xfff2f2f2; 165 | 166 | /** 灰白色 - 半透明 */ 167 | public static final int GRAYWHITE_TRANSLUCENT = 0x80f2f2f2; 168 | 169 | /** 紫色 */ 170 | public static final int PURPLE = 0xff800080; 171 | 172 | /** 紫色 - 半透明 */ 173 | public static final int PURPLE_TRANSLUCENT = 0x80800080; 174 | 175 | /** 青色 */ 176 | public static final int CYAN = 0xff00ffff; 177 | 178 | /** 青色 - 半透明 */ 179 | public static final int CYAN_TRANSLUCENT = 0x8000ffff; 180 | 181 | /** 青色 - 深的 */ 182 | public static final int CYAN_DARK = 0xff008b8b; 183 | 184 | /** 青色 - 深的 - 半透明 */ 185 | public static final int CYAN_DARK_TRANSLUCENT = 0x80008b8b; 186 | 187 | /** 黄色 */ 188 | public static final int YELLOW = 0xffffff00; 189 | 190 | /** 黄色 - 半透明 */ 191 | public static final int YELLOW_TRANSLUCENT = 0x80ffff00; 192 | 193 | /** 黄色 - 浅的 */ 194 | public static final int YELLOW_LIGHT = 0xffffffe0; 195 | 196 | /** 黄色 - 浅的 - 半透明 */ 197 | public static final int YELLOW_LIGHT_TRANSLUCENT = 0x80ffffe0; 198 | 199 | /** 巧克力色 */ 200 | public static final int CHOCOLATE = 0xffd2691e; 201 | 202 | /** 巧克力色 - 半透明 */ 203 | public static final int CHOCOLATE_TRANSLUCENT = 0x80d2691e; 204 | 205 | /** 番茄色 */ 206 | public static final int TOMATO = 0xffff6347; 207 | 208 | /** 番茄色 - 半透明 */ 209 | public static final int TOMATO_TRANSLUCENT = 0x80ff6347; 210 | 211 | /** 橙红色 */ 212 | public static final int ORANGERED = 0xffff4500; 213 | 214 | /** 橙红色 - 半透明 */ 215 | public static final int ORANGERED_TRANSLUCENT = 0x80ff4500; 216 | 217 | /** 银白色 */ 218 | public static final int SILVER = 0xffc0c0c0; 219 | 220 | /** 银白色 - 半透明 */ 221 | public static final int SILVER_TRANSLUCENT = 0x80c0c0c0; 222 | 223 | /** 高光 */ 224 | public static final int HIGHLIGHT = 0x33ffffff; 225 | 226 | /** 低光 */ 227 | public static final int LOWLIGHT = 0x33000000; 228 | } 229 | -------------------------------------------------------------------------------- /sample/src/main/res/layout/activity_sliding_tab_strip.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 13 | 14 | 20 | 21 | 24 | 25 | 28 | 29 | 32 | 33 | 36 | 37 | 40 | 41 | 44 | 45 | 48 | 49 | 52 | 53 | 56 | 57 | 60 | 61 | 64 | 65 | 68 | 69 | 72 | 73 | 76 | 77 | 80 | 81 | 84 | 85 | 86 | 87 | 91 | 92 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 108 | 109 | 116 | 117 | 120 | 121 | 124 | 125 | 128 | 129 | 132 | 133 | 136 | 137 | 138 | 139 | 143 | 144 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 160 | 161 | 166 | 167 | 171 | 172 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 188 | 189 | 195 | 196 | 200 | 201 | 205 | 206 | 207 | 208 | 209 | 210 | 211 | -------------------------------------------------------------------------------- /pager-indicator/src/main/java/me/panpf/pagerid/PagerIndicator.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2017 Peng fei Pan 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package me.panpf.pagerid; 18 | 19 | import android.content.Context; 20 | import android.content.res.TypedArray; 21 | import android.graphics.Canvas; 22 | import android.graphics.Paint; 23 | import android.graphics.drawable.Drawable; 24 | import android.os.Build; 25 | import android.support.v4.view.ViewPager; 26 | import android.support.v4.view.ViewPager.OnPageChangeListener; 27 | import android.util.AttributeSet; 28 | import android.view.GestureDetector; 29 | import android.view.Gravity; 30 | import android.view.MotionEvent; 31 | import android.view.View; 32 | import android.view.ViewGroup; 33 | import android.view.ViewTreeObserver; 34 | import android.widget.HorizontalScrollView; 35 | import android.widget.LinearLayout; 36 | 37 | import java.util.ArrayList; 38 | import java.util.Iterator; 39 | import java.util.List; 40 | 41 | /** 42 | * 专为 ViewPager 定制的页面指示器 43 | */ 44 | public class PagerIndicator extends HorizontalScrollView { 45 | private int currentPosition; //当前位置 46 | private int lastOffset; 47 | private int lastScrollX = 0; 48 | private float currentPositionOffset; //当前位置偏移量 49 | private boolean start; 50 | private boolean allowWidthFull; // 内容宽度无法充满时，允许自动调整Item的宽度以充满 51 | private boolean disableViewPager; // 禁用ViewPager 52 | private Drawable slidingBlockDrawable; //滑块 53 | private ViewPager viewPager; //ViewPager 54 | private ViewGroup tabsLayout; //标题项布局 55 | private ViewPager.OnPageChangeListener onPageChangeListener; //页面改变监听器 56 | private OnClickTabListener onClickTabListener; 57 | private OnDoubleClickTabListener onDoubleClickTabListener; 58 | private List tabViews; 59 | private boolean disableTensileSlidingBlock; // 禁止拉伸滑块图片 60 | private TabViewFactory tabViewFactory; 61 | private Paint bottomLinePaint; 62 | private int bottomLineColor = -1; 63 | private int bottomLineHeight = -1; 64 | private final PageChangedListener pageChangedListener = new PageChangedListener(); 65 | private final TabViewClickListener tabViewClickListener = new TabViewClickListener(); 66 | private final SetSelectedTabListener setSelectedTabListener = new SetSelectedTabListener(); 67 | private final DoubleClickGestureDetector tabViewDoubleClickGestureDetector; 68 | 69 | public PagerIndicator(Context context) { 70 | this(context, null); 71 | } 72 | 73 | public PagerIndicator(Context context, AttributeSet attrs) { 74 | super(context, attrs); 75 | setHorizontalScrollBarEnabled(false); //隐藏横向滑动提示条 76 | removeAllViews(); 77 | if (attrs != null) { 78 | TypedArray attrsTypedArray = context.obtainStyledAttributes(attrs, R.styleable.PagerIndicator); 79 | if (attrsTypedArray != null) { 80 | allowWidthFull = attrsTypedArray.getBoolean(R.styleable.PagerIndicator_pi_allowWidthFull, false); 81 | slidingBlockDrawable = attrsTypedArray.getDrawable(R.styleable.PagerIndicator_pi_slidingBlock); 82 | disableViewPager = attrsTypedArray.getBoolean(R.styleable.PagerIndicator_pi_disableViewPager, false); 83 | disableTensileSlidingBlock = attrsTypedArray.getBoolean(R.styleable.PagerIndicator_pi_disableTensileSlidingBlock, false); 84 | bottomLineColor = attrsTypedArray.getColor(R.styleable.PagerIndicator_pi_bottomLineColor, -1); 85 | bottomLineHeight = (int) attrsTypedArray.getDimension(R.styleable.PagerIndicator_pi_bottomLineHeight, -1); 86 | attrsTypedArray.recycle(); 87 | } 88 | } 89 | tabViewDoubleClickGestureDetector = new DoubleClickGestureDetector(context); 90 | 91 | getViewTreeObserver().addOnGlobalLayoutListener(setSelectedTabListener); 92 | } 93 | 94 | @Override 95 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 96 | if (allowWidthFull && tabsLayout != null) { 97 | View childView; 98 | for (int w = 0, size = tabsLayout.getChildCount(); w < size; w++) { 99 | childView = tabsLayout.getChildAt(w); 100 | ViewGroup.LayoutParams params = childView.getLayoutParams(); 101 | params.width = ViewGroup.LayoutParams.WRAP_CONTENT; 102 | childView.setLayoutParams(params); 103 | } 104 | } 105 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); 106 | 107 | if (!allowWidthFull) { 108 | return; 109 | } 110 | ViewGroup tabsLayout = getTabsLayout(); 111 | if (tabsLayout == null) { 112 | return; 113 | } 114 | if (tabsLayout.getChildCount() <= 0) { 115 | return; 116 | } 117 | 118 | if (tabViews == null) { 119 | tabViews = new ArrayList(); 120 | } else { 121 | tabViews.clear(); 122 | } 123 | for (int w = 0; w < tabsLayout.getChildCount(); w++) { 124 | tabViews.add(tabsLayout.getChildAt(w)); 125 | } 126 | 127 | adjustChildWidthWithParent(tabViews, getMeasuredWidth() - tabsLayout.getPaddingLeft() - tabsLayout.getPaddingRight(), widthMeasureSpec, heightMeasureSpec); 128 | 129 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); 130 | } 131 | 132 | /** 133 | * 调整views集合中的View，让所有View的宽度加起来正好等于parentViewWidth 134 | * 135 | * @param views 子View集合 136 | * @param parentViewWidth 父Vie的宽度 137 | * @param parentWidthMeasureSpec 父View的宽度规则 138 | * @param parentHeightMeasureSpec 父View的高度规则 139 | */ 140 | private void adjustChildWidthWithParent(List views, int parentViewWidth, int parentWidthMeasureSpec, int parentHeightMeasureSpec) { 141 | // 先去掉所有子View的外边距 142 | for (View view : views) { 143 | if (view.getLayoutParams() instanceof MarginLayoutParams) { 144 | LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) view.getLayoutParams(); 145 | parentViewWidth -= lp.leftMargin + lp.rightMargin; 146 | } 147 | } 148 | 149 | // 去掉宽度大于平均宽度的View后再次计算平均宽度 150 | int averageWidth = parentViewWidth / views.size(); 151 | int bigTabCount = views.size(); 152 | while (true) { 153 | Iterator iterator = views.iterator(); 154 | while (iterator.hasNext()) { 155 | View view = iterator.next(); 156 | if (view.getMeasuredWidth() > averageWidth) { 157 | parentViewWidth -= view.getMeasuredWidth(); 158 | bigTabCount--; 159 | iterator.remove(); 160 | } 161 | } 162 | if (bigTabCount <= 0) { 163 | break; 164 | } 165 | averageWidth = parentViewWidth / bigTabCount; 166 | boolean end = true; 167 | for (View view : views) { 168 | if (view.getMeasuredWidth() > averageWidth) { 169 | end = false; 170 | } 171 | } 172 | if (end) { 173 | break; 174 | } 175 | } 176 | 177 | // 修改宽度小于新的平均宽度的View的宽度 178 | for (View view : views) { 179 | if (view.getMeasuredWidth() < averageWidth) { 180 | LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) view.getLayoutParams(); 181 | layoutParams.width = averageWidth; 182 | view.setLayoutParams(layoutParams); 183 | // 再次测量让新宽度生效 184 | if (layoutParams instanceof MarginLayoutParams) { 185 | measureChildWithMargins(view, parentWidthMeasureSpec, 0, parentHeightMeasureSpec, 0); 186 | } else { 187 | measureChild(view, parentWidthMeasureSpec, parentHeightMeasureSpec); 188 | } 189 | } 190 | } 191 | } 192 | 193 | @Override 194 | protected void onDraw(Canvas canvas) { 195 | super.onDraw(canvas); 196 | if (bottomLineColor != -1 && bottomLineHeight != -1) { 197 | if (bottomLinePaint == null) { 198 | bottomLinePaint = new Paint(); 199 | bottomLinePaint.setColor(bottomLineColor); 200 | } 201 | canvas.drawRect(0, getBottom() - bottomLineHeight, getRight(), getBottom(), bottomLinePaint); 202 | } 203 | 204 | if (disableViewPager) return; 205 | /* 绘制滑块 */ 206 | ViewGroup tabsLayout = getTabsLayout(); 207 | if (tabsLayout != null && tabsLayout.getChildCount() > 0 && slidingBlockDrawable != null) { 208 | View currentTab = tabsLayout.getChildAt(currentPosition); 209 | if (currentTab != null) { 210 | float slidingBlockLeft = currentTab.getLeft(); 211 | float slidingBlockRight = currentTab.getRight(); 212 | if (currentPositionOffset > 0f && currentPosition < tabsLayout.getChildCount() - 1) { 213 | View nextTab = tabsLayout.getChildAt(currentPosition + 1); 214 | if (nextTab != null) { 215 | final float nextTabLeft = nextTab.getLeft(); 216 | final float nextTabRight = nextTab.getRight(); 217 | slidingBlockLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * slidingBlockLeft); 218 | slidingBlockRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * slidingBlockRight); 219 | } 220 | } 221 | 222 | // 不拉伸 223 | if (disableTensileSlidingBlock) { 224 | int center = (int) (slidingBlockLeft + (slidingBlockRight - slidingBlockLeft) / 2); 225 | slidingBlockLeft = center - slidingBlockDrawable.getIntrinsicWidth() / 2; 226 | slidingBlockRight = center + slidingBlockDrawable.getIntrinsicWidth() / 2; 227 | } 228 | 229 | slidingBlockDrawable.setBounds((int) slidingBlockLeft, getHeight() - slidingBlockDrawable.getIntrinsicHeight(), (int) slidingBlockRight, getHeight()); 230 | slidingBlockDrawable.draw(canvas); 231 | } 232 | } 233 | } 234 | 235 | /** 236 | * 获取布局 237 | */ 238 | private ViewGroup getTabsLayout() { 239 | if (tabsLayout == null) { 240 | if (getChildCount() > 0) { 241 | tabsLayout = (ViewGroup) getChildAt(0); 242 | } else { 243 | removeAllViews(); 244 | LinearLayout tabsLayout = new LinearLayout(getContext()); 245 | tabsLayout.setGravity(Gravity.CENTER_VERTICAL); 246 | this.tabsLayout = tabsLayout; 247 | addView(tabsLayout, new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, Gravity.CENTER_VERTICAL)); 248 | } 249 | } 250 | return tabsLayout; 251 | } 252 | 253 | /** 254 | * 重置，清除所有tab 255 | */ 256 | public void reset() { 257 | if (tabViewFactory != null) { 258 | ViewGroup tabViewGroup = getTabsLayout(); 259 | tabViewFactory.addTabs(tabViewGroup, viewPager != null ? viewPager.getCurrentItem() : 0); 260 | setTabClickEvent(); 261 | } 262 | } 263 | 264 | private void setTabClickEvent(){ 265 | ViewGroup tabViewGroup = getTabsLayout(); 266 | if(tabViewGroup != null && tabViewGroup.getChildCount() > 0){ 267 | //给每一个tab设置点击事件，当点击的时候切换Pager 268 | for (int w = 0; w < tabViewGroup.getChildCount(); w++) { 269 | View itemView = tabViewGroup.getChildAt(w); 270 | itemView.setTag(w); 271 | itemView.setOnClickListener(tabViewClickListener); 272 | itemView.setOnTouchListener(tabViewDoubleClickGestureDetector); 273 | } 274 | } 275 | } 276 | 277 | /** 278 | * 获取Tab 279 | * 280 | * @param position 位置 281 | * @return Tab的View 282 | */ 283 | @SuppressWarnings("unused") 284 | public View getTab(int position) { 285 | if (tabsLayout != null && tabsLayout.getChildCount() > position) { 286 | return tabsLayout.getChildAt(position); 287 | } else { 288 | return null; 289 | } 290 | } 291 | 292 | /** 293 | * 滚动到指定的位置 294 | */ 295 | private void scrollToChild(int position, int offset) { 296 | ViewGroup tabsLayout = getTabsLayout(); 297 | if (tabsLayout != null && tabsLayout.getChildCount() > 0 && position < tabsLayout.getChildCount()) { 298 | View view = tabsLayout.getChildAt(position); 299 | if (view != null) { 300 | //计算新的X坐标 301 | int newScrollX = view.getLeft() + offset - getLeftMargin(view); 302 | if (position > 0 || offset > 0) { 303 | newScrollX -= getWidth() / 2 - getOffset(view.getWidth()) / 2; 304 | } 305 | 306 | //如果同上次X坐标不一样就执行滚动 307 | if (newScrollX != lastScrollX) { 308 | lastScrollX = newScrollX; 309 | scrollTo(newScrollX, 0); 310 | } 311 | } 312 | } 313 | } 314 | 315 | private int getLeftMargin(View view) { 316 | ViewGroup.LayoutParams params = view.getLayoutParams(); 317 | if (params instanceof MarginLayoutParams) { 318 | MarginLayoutParams marginParams = (MarginLayoutParams) params; 319 | return marginParams.leftMargin; 320 | } 321 | return 0; 322 | } 323 | 324 | private int getRightMargin(View view) { 325 | ViewGroup.LayoutParams params = view.getLayoutParams(); 326 | if (params instanceof MarginLayoutParams) { 327 | MarginLayoutParams marginParams = (MarginLayoutParams) params; 328 | return marginParams.rightMargin; 329 | } 330 | return 0; 331 | } 332 | 333 | /** 334 | * 获取偏移量 335 | */ 336 | private int getOffset(int newOffset) { 337 | if (lastOffset < newOffset) { 338 | if (start) { 339 | lastOffset += 1; 340 | return lastOffset; 341 | } else { 342 | start = true; 343 | lastOffset += 1; 344 | return lastOffset; 345 | } 346 | } 347 | if (lastOffset > newOffset) { 348 | if (start) { 349 | lastOffset -= 1; 350 | return lastOffset; 351 | } else { 352 | start = true; 353 | lastOffset -= 1; 354 | return lastOffset; 355 | } 356 | } else { 357 | start = true; 358 | lastOffset = newOffset; 359 | return lastOffset; 360 | } 361 | } 362 | 363 | /** 364 | * 选中指定位置的TAB 365 | */ 366 | private void selectedTab(int newSelectedTabPosition) { 367 | ViewGroup tabsLayout = getTabsLayout(); 368 | if (newSelectedTabPosition > -1 && tabsLayout != null && newSelectedTabPosition < tabsLayout.getChildCount()) { 369 | for (int w = 0, size = tabsLayout.getChildCount(); w < size; w++) { 370 | View tabView = tabsLayout.getChildAt(w); 371 | tabView.setSelected(w == newSelectedTabPosition); 372 | } 373 | } 374 | } 375 | 376 | /** 377 | * 设置ViewPager 378 | * 379 | * @param viewPager ViewPager 380 | */ 381 | public void setViewPager(ViewPager viewPager) { 382 | if (disableViewPager) return; 383 | this.viewPager = viewPager; 384 | this.viewPager.addOnPageChangeListener(pageChangedListener); 385 | setTabClickEvent(); 386 | requestLayout(); 387 | } 388 | 389 | /** 390 | * 设置Page切换监听器 391 | * 392 | * @param onPageChangeListener Page切换监听器 393 | */ 394 | @SuppressWarnings("unused") 395 | public void setOnPageChangeListener(OnPageChangeListener onPageChangeListener) { 396 | this.onPageChangeListener = onPageChangeListener; 397 | } 398 | 399 | /** 400 | * 设置是否充满屏幕 401 | * 402 | * @param allowWidthFull true：当内容的宽度无法充满屏幕时，自动调整每一个Item的宽度以充满屏幕 403 | */ 404 | public void setAllowWidthFull(boolean allowWidthFull) { 405 | this.allowWidthFull = allowWidthFull; 406 | requestLayout(); 407 | } 408 | 409 | /** 410 | * 设置滑块图片 411 | */ 412 | @SuppressWarnings("unused") 413 | public void setSlidingBlockDrawable(Drawable slidingBlockDrawable) { 414 | this.slidingBlockDrawable = slidingBlockDrawable; 415 | requestLayout(); 416 | } 417 | 418 | /** 419 | * 获取滑块图片 420 | */ 421 | @SuppressWarnings("unused") 422 | public Drawable getSlidingBlockDrawable() { 423 | return slidingBlockDrawable; 424 | } 425 | 426 | /** 427 | * 设置是否禁止拉伸滑块图片 428 | * 429 | * @param disableTensileSlidingBlock 是否禁止拉伸滑块图片 430 | */ 431 | @SuppressWarnings("unused") 432 | public void setDisableTensileSlidingBlock(boolean disableTensileSlidingBlock) { 433 | this.disableTensileSlidingBlock = disableTensileSlidingBlock; 434 | invalidate(); 435 | } 436 | 437 | /** 438 | * 获取Tab总数 439 | */ 440 | public int getTabCount() { 441 | ViewGroup tabsLayout = getTabsLayout(); 442 | return tabsLayout != null ? tabsLayout.getChildCount() : 0; 443 | } 444 | 445 | /** 446 | * 设置Tab点击监听器 447 | * 448 | * @param onClickTabListener Tab点击监听器 449 | */ 450 | @SuppressWarnings("unused") 451 | public void setOnClickTabListener(OnClickTabListener onClickTabListener) { 452 | this.onClickTabListener = onClickTabListener; 453 | } 454 | 455 | /** 456 | * 设置TAB双击监听器 457 | * 458 | * @param onDoubleClickTabListener TAB双击监听器 459 | */ 460 | public void setOnDoubleClickTabListener(OnDoubleClickTabListener onDoubleClickTabListener) { 461 | this.onDoubleClickTabListener = onDoubleClickTabListener; 462 | } 463 | 464 | /** 465 | * 设置不使用ViewPager 466 | * 467 | * @param disableViewPager 不使用ViewPager 468 | */ 469 | @SuppressWarnings("unused") 470 | public void setDisableViewPager(boolean disableViewPager) { 471 | this.disableViewPager = disableViewPager; 472 | if (viewPager != null) { 473 | viewPager.removeOnPageChangeListener(onPageChangeListener); 474 | viewPager = null; 475 | } 476 | requestLayout(); 477 | } 478 | 479 | /** 480 | * 设置TabView生成器 481 | * 482 | * @param tabViewFactory TabView生成器 483 | */ 484 | @SuppressWarnings("unused") 485 | public void setTabViewFactory(TabViewFactory tabViewFactory) { 486 | this.tabViewFactory = tabViewFactory; 487 | 488 | reset(); 489 | 490 | getViewTreeObserver().addOnGlobalLayoutListener(setSelectedTabListener); 491 | } 492 | 493 | /** 494 | * 设置底线的颜色 495 | * 496 | * @param bottomLineColor 底线的颜色 497 | */ 498 | @SuppressWarnings("unused") 499 | public void setBottomLineColor(int bottomLineColor) { 500 | this.bottomLineColor = bottomLineColor; 501 | if (bottomLinePaint != null) { 502 | bottomLinePaint.setColor(bottomLineColor); 503 | } 504 | postInvalidate(); 505 | } 506 | 507 | /** 508 | * 设置底线的高度 509 | * 510 | * @param bottomLineHeight 底线的高度 511 | */ 512 | @SuppressWarnings("unused") 513 | public void setBottomLineHeight(int bottomLineHeight) { 514 | this.bottomLineHeight = bottomLineHeight; 515 | postInvalidate(); 516 | } 517 | 518 | /** 519 | * Tab点击监听器 520 | */ 521 | public interface OnClickTabListener { 522 | void onClickTab(View tab, int index); 523 | } 524 | 525 | /** 526 | * Tab双击监听器 527 | */ 528 | public interface OnDoubleClickTabListener { 529 | void onDoubleClickTab(View view, int index); 530 | } 531 | 532 | /** 533 | * TabView生成器 534 | */ 535 | public interface TabViewFactory { 536 | /** 537 | * 添加tab 538 | * 539 | * @param parent 父View 540 | * @param currentItemPosition 当前选中的位置 541 | */ 542 | void addTabs(ViewGroup parent, int currentItemPosition); 543 | } 544 | 545 | private class PageChangedListener implements ViewPager.OnPageChangeListener { 546 | @Override 547 | public void onPageSelected(int position) { 548 | selectedTab(position); 549 | if (onPageChangeListener != null) { 550 | onPageChangeListener.onPageSelected(position); 551 | } 552 | } 553 | 554 | @Override 555 | public void onPageScrolled(int nextPagePosition, float positionOffset, int positionOffsetPixels) { 556 | ViewGroup tabsLayout = getTabsLayout(); 557 | if (nextPagePosition < tabsLayout.getChildCount()) { 558 | View view = tabsLayout.getChildAt(nextPagePosition); 559 | if (view != null) { 560 | currentPosition = nextPagePosition; 561 | currentPositionOffset = positionOffset; 562 | scrollToChild(nextPagePosition, (int) (positionOffset * (view.getWidth() + getLeftMargin(view) + getRightMargin(view)))); 563 | invalidate(); 564 | } 565 | } 566 | if (onPageChangeListener != null) { 567 | onPageChangeListener.onPageScrolled(nextPagePosition, positionOffset, positionOffsetPixels); 568 | } 569 | } 570 | 571 | @Override 572 | public void onPageScrollStateChanged(int arg0) { 573 | if (onPageChangeListener != null) { 574 | onPageChangeListener.onPageScrollStateChanged(arg0); 575 | } 576 | } 577 | } 578 | 579 | private class TabViewClickListener implements OnClickListener { 580 | @Override 581 | public void onClick(View v) { 582 | int index = (Integer) v.getTag(); 583 | if (onClickTabListener != null) { 584 | onClickTabListener.onClickTab(v, index); 585 | } 586 | if (viewPager != null) { 587 | viewPager.setCurrentItem(index, true); 588 | } 589 | } 590 | } 591 | 592 | private class SetSelectedTabListener implements ViewTreeObserver.OnGlobalLayoutListener { 593 | @Override 594 | public void onGlobalLayout() { 595 | if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) { 596 | getViewTreeObserver().removeGlobalOnLayoutListener(this); 597 | } else { 598 | getViewTreeObserver().removeOnGlobalLayoutListener(this); 599 | } 600 | 601 | ViewGroup tabViewGroup = getTabsLayout(); 602 | if (tabViewGroup != null) { 603 | currentPosition = viewPager != null ? viewPager.getCurrentItem() : 0; 604 | if (!disableViewPager) { 605 | scrollToChild(currentPosition, 0); 606 | selectedTab(currentPosition); 607 | } 608 | } 609 | } 610 | } 611 | 612 | private class DoubleClickGestureDetector extends GestureDetector.SimpleOnGestureListener implements OnTouchListener { 613 | private GestureDetector gestureDetector; 614 | private View currentView; 615 | 616 | public DoubleClickGestureDetector(Context context) { 617 | gestureDetector = new GestureDetector(context, this); 618 | gestureDetector.setOnDoubleTapListener(this); 619 | } 620 | 621 | @Override 622 | public boolean onDoubleTap(MotionEvent e) { 623 | if (onDoubleClickTabListener != null) { 624 | onDoubleClickTabListener.onDoubleClickTab(currentView, (Integer) currentView.getTag()); 625 | return true; 626 | } else { 627 | return false; 628 | } 629 | } 630 | 631 | @Override 632 | public boolean onTouch(View v, MotionEvent event) { 633 | currentView = v; 634 | return gestureDetector.onTouchEvent(event); 635 | } 636 | } 637 | } --------------------------------------------------------------------------------