├── .classpath ├── .github └── FUNDING.yml ├── .gitignore ├── .project ├── .settings └── org.eclipse.jdt.core.prefs ├── AndroidManifest.xml ├── LICENSE ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── libs └── android-support-v4.jar ├── lint.xml ├── proguard-project.txt ├── project.properties ├── res ├── drawable-hdpi │ └── ic_launcher.png ├── drawable-mdpi │ └── ic_launcher.png ├── drawable-xhdpi │ ├── ic_header_logo.png │ └── ic_launcher.png ├── drawable-xxhdpi │ └── ic_launcher.png ├── drawable │ ├── background_tab.xml │ ├── pic0.jpg │ └── pic1.jpg ├── layout-xhdpi │ ├── activity_main.xml │ ├── fragment_list.xml │ ├── list_item.xml │ ├── view_header_placeholder.xml │ └── view_kenburns.xml └── values │ ├── attrs.xml │ ├── colors.xml │ ├── dimens.xml │ └── strings.xml ├── screen.png └── src └── com ├── astuetz └── PagerSlidingTabStrip.java └── kmshack └── newsstand ├── MainActivity.java ├── SampleListFragment.java ├── ScrollTabHolder.java └── ScrollTabHolderFragment.java /.classpath: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /.github/FUNDING.yml: -------------------------------------------------------------------------------- 1 | # These are supported funding model platforms 2 | 3 | github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2] 4 | patreon: # Replace with a single Patreon username 5 | open_collective: # Replace with a single Open Collective username 6 | ko_fi: # Replace with a single Ko-fi username 7 | tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel 8 | community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry 9 | liberapay: # Replace with a single Liberapay username 10 | issuehunt: # Replace with a single IssueHunt username 11 | otechie: # Replace with a single Otechie username 12 | custom: paypal.me/kmshack 13 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | bin/ 2 | gen/ -------------------------------------------------------------------------------- /.project: -------------------------------------------------------------------------------- 1 | 2 | 3 | ParallaxHeaderViewPager 4 | 5 | 6 | 7 | 8 | 9 | com.android.ide.eclipse.adt.ResourceManagerBuilder 10 | 11 | 12 | 13 | 14 | com.android.ide.eclipse.adt.PreCompilerBuilder 15 | 16 | 17 | 18 | 19 | org.eclipse.jdt.core.javabuilder 20 | 21 | 22 | 23 | 24 | com.android.ide.eclipse.adt.ApkBuilder 25 | 26 | 27 | 28 | 29 | 30 | com.android.ide.eclipse.adt.AndroidNature 31 | org.eclipse.jdt.core.javanature 32 | 33 | 34 | -------------------------------------------------------------------------------- /.settings/org.eclipse.jdt.core.prefs: -------------------------------------------------------------------------------- 1 | eclipse.preferences.version=1 2 | org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6 3 | org.eclipse.jdt.core.compiler.compliance=1.6 4 | org.eclipse.jdt.core.compiler.source=1.6 5 | -------------------------------------------------------------------------------- /AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 10 | 11 | 16 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ParallaxHeaderViewPager Example 2 | =================== 3 | 4 | HeaderView to secure the top left and right swipe at ViewPager even when a sample code for implementing HeaderView UI that can be maintained. Through the sample code, you can configure a better UI. 5 | 6 | 7 | ![screens](screen.png) 8 | 9 | 10 | Sample Application Download 11 | ---- 12 | https://play.google.com/store/apps/details?id=com.kmshack.newsstand 13 | 14 | 15 | License 16 | ---- 17 | Apache License, Version 2.0 18 | 19 | 20 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | repositories { 3 | mavenCentral() 4 | } 5 | dependencies { 6 | classpath 'com.android.tools.build:gradle:1.1.1' 7 | } 8 | } 9 | apply plugin: 'android' 10 | 11 | dependencies { 12 | compile fileTree(dir: 'libs', include: '*.jar') 13 | } 14 | 15 | android { 16 | compileSdkVersion 22 17 | buildToolsVersion "22.0.1" 18 | 19 | sourceSets { 20 | main { 21 | manifest.srcFile 'AndroidManifest.xml' 22 | java.srcDirs = ['src'] 23 | resources.srcDirs = ['src'] 24 | aidl.srcDirs = ['src'] 25 | renderscript.srcDirs = ['src'] 26 | res.srcDirs = ['res'] 27 | assets.srcDirs = ['assets'] 28 | } 29 | 30 | // Move the tests to tests/java, tests/res, etc... 31 | instrumentTest.setRoot('tests') 32 | 33 | // Move the build types to build-types/ 34 | // For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ... 35 | // This moves them out of them default location under src//... which would 36 | // conflict with src/ being used by the main source set. 37 | // Adding new build types or product flavors should be accompanied 38 | // by a similar customization. 39 | debug.setRoot('build-types/debug') 40 | release.setRoot('build-types/release') 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kmshack/Android-ParallaxHeaderViewPager/66700fd25b6968cc3789f8c8d721f880eba430ab/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Wed Apr 10 15:27:10 PDT 2013 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=http\://services.gradle.org/distributions/gradle-1.10-all.zip 7 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /libs/android-support-v4.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kmshack/Android-ParallaxHeaderViewPager/66700fd25b6968cc3789f8c8d721f880eba430ab/libs/android-support-v4.jar -------------------------------------------------------------------------------- /lint.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /proguard-project.txt: -------------------------------------------------------------------------------- 1 | # To enable ProGuard in your project, edit project.properties 2 | # to define the proguard.config property as described in that file. 3 | # 4 | # Add project specific ProGuard rules here. 5 | # By default, the flags in this file are appended to flags specified 6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt 7 | # You can edit the include path and order by changing the ProGuard 8 | # include property in project.properties. 9 | # 10 | # For more details, see 11 | # http://developer.android.com/guide/developing/tools/proguard.html 12 | 13 | # Add any project specific keep options here: 14 | 15 | # If your project uses WebView with JS, uncomment the following 16 | # and specify the fully qualified class name to the JavaScript interface 17 | # class: 18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 19 | # public *; 20 | #} 21 | -------------------------------------------------------------------------------- /project.properties: -------------------------------------------------------------------------------- 1 | # This file is automatically generated by Android Tools. 2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED! 3 | # 4 | # This file must be checked in Version Control Systems. 5 | # 6 | # To customize properties used by the Ant build system edit 7 | # "ant.properties", and override values to adapt the script to your 8 | # project structure. 9 | # 10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home): 11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt 12 | 13 | # Project target. 14 | target=android-19 15 | -------------------------------------------------------------------------------- /res/drawable-hdpi/ic_launcher.png: 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/res/layout-xhdpi/fragment_list.xml: -------------------------------------------------------------------------------- 1 | 8 | -------------------------------------------------------------------------------- /res/layout-xhdpi/list_item.xml: -------------------------------------------------------------------------------- 1 | 11 | -------------------------------------------------------------------------------- /res/layout-xhdpi/view_header_placeholder.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | -------------------------------------------------------------------------------- /res/layout-xhdpi/view_kenburns.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | 7 | 12 | 13 | 18 | -------------------------------------------------------------------------------- /res/values/attrs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #6633B5E5 4 | -------------------------------------------------------------------------------- /res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | 298dp 7 | 250dp 8 | 100dp 9 | 10 | -------------------------------------------------------------------------------- /res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | ParallaxHeaderViewPager 5 | ParallaxHeaderViewPager 6 | 7 | 8 | -------------------------------------------------------------------------------- /screen.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kmshack/Android-ParallaxHeaderViewPager/66700fd25b6968cc3789f8c8d721f880eba430ab/screen.png -------------------------------------------------------------------------------- /src/com/astuetz/PagerSlidingTabStrip.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2013 Andreas Stuetz 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 com.astuetz; 18 | 19 | import java.util.Locale; 20 | 21 | import android.annotation.SuppressLint; 22 | import android.content.Context; 23 | import android.content.res.TypedArray; 24 | import android.graphics.Canvas; 25 | import android.graphics.Paint; 26 | import android.graphics.Paint.Style; 27 | import android.graphics.Typeface; 28 | import android.os.Build; 29 | import android.os.Parcel; 30 | import android.os.Parcelable; 31 | import android.support.v4.view.ViewPager; 32 | import android.support.v4.view.ViewPager.OnPageChangeListener; 33 | import android.util.AttributeSet; 34 | import android.util.DisplayMetrics; 35 | import android.util.TypedValue; 36 | import android.view.Gravity; 37 | import android.view.View; 38 | import android.view.ViewTreeObserver.OnGlobalLayoutListener; 39 | import android.widget.HorizontalScrollView; 40 | import android.widget.ImageButton; 41 | import android.widget.LinearLayout; 42 | import android.widget.TextView; 43 | 44 | import com.kmshack.newsstand.R; 45 | 46 | public class PagerSlidingTabStrip extends HorizontalScrollView { 47 | 48 | public interface IconTabProvider { 49 | public int getPageIconResId(int position); 50 | } 51 | 52 | // @formatter:off 53 | private static final int[] ATTRS = new int[] { 54 | android.R.attr.textSize, 55 | android.R.attr.textColor 56 | }; 57 | // @formatter:on 58 | 59 | private LinearLayout.LayoutParams defaultTabLayoutParams; 60 | private LinearLayout.LayoutParams expandedTabLayoutParams; 61 | 62 | private final PageListener pageListener = new PageListener(); 63 | public OnPageChangeListener delegatePageListener; 64 | 65 | private LinearLayout tabsContainer; 66 | private ViewPager pager; 67 | 68 | private int tabCount; 69 | 70 | private int currentPosition = 0; 71 | private float currentPositionOffset = 0f; 72 | 73 | private Paint rectPaint; 74 | private Paint dividerPaint; 75 | 76 | private int indicatorColor = 0xEEFFFFFF; 77 | private int underlineColor = 0x33FFFFFF; 78 | private int dividerColor = 0xAAFFFFFF; 79 | 80 | private boolean shouldExpand = false; 81 | private boolean textAllCaps = true; 82 | 83 | private int scrollOffset = 52; 84 | private int indicatorHeight = 4; 85 | private int underlineHeight = 2; 86 | private int dividerPadding = 12; 87 | private int tabPadding = 24; 88 | private int dividerWidth = 1; 89 | 90 | private int tabTextSize = 12; 91 | private int tabTextColor = 0xFFFFFFFF; 92 | private Typeface tabTypeface = null; 93 | private int tabTypefaceStyle = Typeface.BOLD; 94 | 95 | private int lastScrollX = 0; 96 | 97 | private int tabBackgroundResId = R.drawable.background_tab; 98 | 99 | private Locale locale; 100 | 101 | public PagerSlidingTabStrip(Context context) { 102 | this(context, null); 103 | } 104 | 105 | public PagerSlidingTabStrip(Context context, AttributeSet attrs) { 106 | this(context, attrs, 0); 107 | } 108 | 109 | public PagerSlidingTabStrip(Context context, AttributeSet attrs, int defStyle) { 110 | super(context, attrs, defStyle); 111 | 112 | setFillViewport(true); 113 | setWillNotDraw(false); 114 | 115 | tabsContainer = new LinearLayout(context); 116 | tabsContainer.setOrientation(LinearLayout.HORIZONTAL); 117 | tabsContainer.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)); 118 | addView(tabsContainer); 119 | 120 | DisplayMetrics dm = getResources().getDisplayMetrics(); 121 | 122 | scrollOffset = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, scrollOffset, dm); 123 | indicatorHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, indicatorHeight, dm); 124 | underlineHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, underlineHeight, dm); 125 | dividerPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dividerPadding, dm); 126 | tabPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, tabPadding, dm); 127 | dividerWidth = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dividerWidth, dm); 128 | tabTextSize = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, tabTextSize, dm); 129 | 130 | // get system attrs (android:textSize and android:textColor) 131 | 132 | TypedArray a = context.obtainStyledAttributes(attrs, ATTRS); 133 | 134 | tabTextSize = a.getDimensionPixelSize(0, tabTextSize); 135 | tabTextColor = a.getColor(1, tabTextColor); 136 | 137 | a.recycle(); 138 | 139 | // get custom attrs 140 | 141 | a = context.obtainStyledAttributes(attrs, R.styleable.PagerSlidingTabStrip); 142 | 143 | indicatorColor = a.getColor(R.styleable.PagerSlidingTabStrip_pstsIndicatorColor, indicatorColor); 144 | underlineColor = a.getColor(R.styleable.PagerSlidingTabStrip_pstsUnderlineColor, underlineColor); 145 | dividerColor = a.getColor(R.styleable.PagerSlidingTabStrip_pstsDividerColor, dividerColor); 146 | indicatorHeight = a.getDimensionPixelSize(R.styleable.PagerSlidingTabStrip_pstsIndicatorHeight, indicatorHeight); 147 | underlineHeight = a.getDimensionPixelSize(R.styleable.PagerSlidingTabStrip_pstsUnderlineHeight, underlineHeight); 148 | dividerPadding = a.getDimensionPixelSize(R.styleable.PagerSlidingTabStrip_pstsDividerPadding, dividerPadding); 149 | tabPadding = a.getDimensionPixelSize(R.styleable.PagerSlidingTabStrip_pstsTabPaddingLeftRight, tabPadding); 150 | tabBackgroundResId = a.getResourceId(R.styleable.PagerSlidingTabStrip_pstsTabBackground, tabBackgroundResId); 151 | shouldExpand = a.getBoolean(R.styleable.PagerSlidingTabStrip_pstsShouldExpand, shouldExpand); 152 | scrollOffset = a.getDimensionPixelSize(R.styleable.PagerSlidingTabStrip_pstsScrollOffset, scrollOffset); 153 | textAllCaps = a.getBoolean(R.styleable.PagerSlidingTabStrip_pstsTextAllCaps, textAllCaps); 154 | 155 | a.recycle(); 156 | 157 | rectPaint = new Paint(); 158 | rectPaint.setAntiAlias(true); 159 | rectPaint.setStyle(Style.FILL); 160 | 161 | dividerPaint = new Paint(); 162 | dividerPaint.setAntiAlias(true); 163 | dividerPaint.setStrokeWidth(dividerWidth); 164 | 165 | defaultTabLayoutParams = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT); 166 | expandedTabLayoutParams = new LinearLayout.LayoutParams(0, LayoutParams.MATCH_PARENT, 1.0f); 167 | 168 | if (locale == null) { 169 | locale = getResources().getConfiguration().locale; 170 | } 171 | } 172 | 173 | public void setViewPager(ViewPager pager) { 174 | this.pager = pager; 175 | 176 | if (pager.getAdapter() == null) { 177 | throw new IllegalStateException("ViewPager does not have adapter instance."); 178 | } 179 | 180 | pager.setOnPageChangeListener(pageListener); 181 | 182 | notifyDataSetChanged(); 183 | } 184 | 185 | public void setOnPageChangeListener(OnPageChangeListener listener) { 186 | this.delegatePageListener = listener; 187 | } 188 | 189 | public void notifyDataSetChanged() { 190 | 191 | tabsContainer.removeAllViews(); 192 | 193 | tabCount = pager.getAdapter().getCount(); 194 | 195 | for (int i = 0; i < tabCount; i++) { 196 | 197 | if (pager.getAdapter() instanceof IconTabProvider) { 198 | addIconTab(i, ((IconTabProvider) pager.getAdapter()).getPageIconResId(i)); 199 | } else { 200 | addTextTab(i, pager.getAdapter().getPageTitle(i).toString()); 201 | } 202 | 203 | } 204 | 205 | updateTabStyles(); 206 | 207 | getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() { 208 | 209 | @SuppressWarnings("deprecation") 210 | @SuppressLint("NewApi") 211 | @Override 212 | public void onGlobalLayout() { 213 | 214 | if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) { 215 | getViewTreeObserver().removeGlobalOnLayoutListener(this); 216 | } else { 217 | getViewTreeObserver().removeOnGlobalLayoutListener(this); 218 | } 219 | 220 | currentPosition = pager.getCurrentItem(); 221 | scrollToChild(currentPosition, 0); 222 | } 223 | }); 224 | 225 | } 226 | 227 | private void addTextTab(final int position, String title) { 228 | 229 | TextView tab = new TextView(getContext()); 230 | tab.setText(title); 231 | tab.setGravity(Gravity.CENTER); 232 | tab.setSingleLine(); 233 | 234 | addTab(position, tab); 235 | } 236 | 237 | private void addIconTab(final int position, int resId) { 238 | 239 | ImageButton tab = new ImageButton(getContext()); 240 | tab.setImageResource(resId); 241 | 242 | addTab(position, tab); 243 | 244 | } 245 | 246 | private void addTab(final int position, View tab) { 247 | tab.setFocusable(true); 248 | tab.setOnClickListener(new OnClickListener() { 249 | @Override 250 | public void onClick(View v) { 251 | pager.setCurrentItem(position); 252 | } 253 | }); 254 | 255 | tab.setPadding(tabPadding, 0, tabPadding, 0); 256 | tabsContainer.addView(tab, position, shouldExpand ? expandedTabLayoutParams : defaultTabLayoutParams); 257 | } 258 | 259 | private void updateTabStyles() { 260 | 261 | for (int i = 0; i < tabCount; i++) { 262 | 263 | View v = tabsContainer.getChildAt(i); 264 | 265 | v.setBackgroundResource(tabBackgroundResId); 266 | 267 | if (v instanceof TextView) { 268 | 269 | TextView tab = (TextView) v; 270 | tab.setTextSize(TypedValue.COMPLEX_UNIT_PX, tabTextSize); 271 | tab.setTypeface(tabTypeface, tabTypefaceStyle); 272 | tab.setTextColor(tabTextColor); 273 | 274 | // setAllCaps() is only available from API 14, so the upper case is made manually if we are on a 275 | // pre-ICS-build 276 | if (textAllCaps) { 277 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 278 | tab.setAllCaps(true); 279 | } else { 280 | tab.setText(tab.getText().toString().toUpperCase(locale)); 281 | } 282 | } 283 | } 284 | } 285 | 286 | } 287 | 288 | private void scrollToChild(int position, int offset) { 289 | 290 | if (tabCount == 0) { 291 | return; 292 | } 293 | 294 | int newScrollX = tabsContainer.getChildAt(position).getLeft() + offset; 295 | 296 | if (position > 0 || offset > 0) { 297 | newScrollX -= scrollOffset; 298 | } 299 | 300 | if (newScrollX != lastScrollX) { 301 | lastScrollX = newScrollX; 302 | scrollTo(newScrollX, 0); 303 | } 304 | 305 | } 306 | 307 | @Override 308 | protected void onDraw(Canvas canvas) { 309 | super.onDraw(canvas); 310 | 311 | if (isInEditMode() || tabCount == 0) { 312 | return; 313 | } 314 | 315 | final int height = getHeight(); 316 | 317 | // draw indicator line 318 | 319 | rectPaint.setColor(indicatorColor); 320 | 321 | // default: line below current tab 322 | View currentTab = tabsContainer.getChildAt(currentPosition); 323 | float lineLeft = currentTab.getLeft(); 324 | float lineRight = currentTab.getRight(); 325 | 326 | // if there is an offset, start interpolating left and right coordinates between current and next tab 327 | if (currentPositionOffset > 0f && currentPosition < tabCount - 1) { 328 | 329 | View nextTab = tabsContainer.getChildAt(currentPosition + 1); 330 | final float nextTabLeft = nextTab.getLeft(); 331 | final float nextTabRight = nextTab.getRight(); 332 | 333 | lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft); 334 | lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight); 335 | } 336 | 337 | canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint); 338 | 339 | // draw underline 340 | 341 | rectPaint.setColor(underlineColor); 342 | canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint); 343 | 344 | // draw divider 345 | 346 | dividerPaint.setColor(dividerColor); 347 | for (int i = 0; i < tabCount - 1; i++) { 348 | View tab = tabsContainer.getChildAt(i); 349 | canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint); 350 | } 351 | } 352 | 353 | private class PageListener implements OnPageChangeListener { 354 | 355 | @Override 356 | public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { 357 | 358 | currentPosition = position; 359 | currentPositionOffset = positionOffset; 360 | 361 | scrollToChild(position, (int) (positionOffset * tabsContainer.getChildAt(position).getWidth())); 362 | 363 | invalidate(); 364 | 365 | if (delegatePageListener != null) { 366 | delegatePageListener.onPageScrolled(position, positionOffset, positionOffsetPixels); 367 | } 368 | } 369 | 370 | @Override 371 | public void onPageScrollStateChanged(int state) { 372 | if (state == ViewPager.SCROLL_STATE_IDLE) { 373 | scrollToChild(pager.getCurrentItem(), 0); 374 | } 375 | 376 | if (delegatePageListener != null) { 377 | delegatePageListener.onPageScrollStateChanged(state); 378 | } 379 | } 380 | 381 | @Override 382 | public void onPageSelected(int position) { 383 | if (delegatePageListener != null) { 384 | delegatePageListener.onPageSelected(position); 385 | } 386 | } 387 | 388 | } 389 | 390 | public void setIndicatorColor(int indicatorColor) { 391 | this.indicatorColor = indicatorColor; 392 | invalidate(); 393 | } 394 | 395 | public void setIndicatorColorResource(int resId) { 396 | this.indicatorColor = getResources().getColor(resId); 397 | invalidate(); 398 | } 399 | 400 | public int getIndicatorColor() { 401 | return this.indicatorColor; 402 | } 403 | 404 | public void setIndicatorHeight(int indicatorLineHeightPx) { 405 | this.indicatorHeight = indicatorLineHeightPx; 406 | invalidate(); 407 | } 408 | 409 | public int getIndicatorHeight() { 410 | return indicatorHeight; 411 | } 412 | 413 | public void setUnderlineColor(int underlineColor) { 414 | this.underlineColor = underlineColor; 415 | invalidate(); 416 | } 417 | 418 | public void setUnderlineColorResource(int resId) { 419 | this.underlineColor = getResources().getColor(resId); 420 | invalidate(); 421 | } 422 | 423 | public int getUnderlineColor() { 424 | return underlineColor; 425 | } 426 | 427 | public void setDividerColor(int dividerColor) { 428 | this.dividerColor = dividerColor; 429 | invalidate(); 430 | } 431 | 432 | public void setDividerColorResource(int resId) { 433 | this.dividerColor = getResources().getColor(resId); 434 | invalidate(); 435 | } 436 | 437 | public int getDividerColor() { 438 | return dividerColor; 439 | } 440 | 441 | public void setUnderlineHeight(int underlineHeightPx) { 442 | this.underlineHeight = underlineHeightPx; 443 | invalidate(); 444 | } 445 | 446 | public int getUnderlineHeight() { 447 | return underlineHeight; 448 | } 449 | 450 | public void setDividerPadding(int dividerPaddingPx) { 451 | this.dividerPadding = dividerPaddingPx; 452 | invalidate(); 453 | } 454 | 455 | public int getDividerPadding() { 456 | return dividerPadding; 457 | } 458 | 459 | public void setScrollOffset(int scrollOffsetPx) { 460 | this.scrollOffset = scrollOffsetPx; 461 | invalidate(); 462 | } 463 | 464 | public int getScrollOffset() { 465 | return scrollOffset; 466 | } 467 | 468 | public void setShouldExpand(boolean shouldExpand) { 469 | this.shouldExpand = shouldExpand; 470 | requestLayout(); 471 | } 472 | 473 | public boolean getShouldExpand() { 474 | return shouldExpand; 475 | } 476 | 477 | public boolean isTextAllCaps() { 478 | return textAllCaps; 479 | } 480 | 481 | public void setAllCaps(boolean textAllCaps) { 482 | this.textAllCaps = textAllCaps; 483 | } 484 | 485 | public void setTextSize(int textSizePx) { 486 | this.tabTextSize = textSizePx; 487 | updateTabStyles(); 488 | } 489 | 490 | public int getTextSize() { 491 | return tabTextSize; 492 | } 493 | 494 | public void setTextColor(int textColor) { 495 | this.tabTextColor = textColor; 496 | updateTabStyles(); 497 | } 498 | 499 | public void setTextColorResource(int resId) { 500 | this.tabTextColor = getResources().getColor(resId); 501 | updateTabStyles(); 502 | } 503 | 504 | public int getTextColor() { 505 | return tabTextColor; 506 | } 507 | 508 | public void setTypeface(Typeface typeface, int style) { 509 | this.tabTypeface = typeface; 510 | this.tabTypefaceStyle = style; 511 | updateTabStyles(); 512 | } 513 | 514 | public void setTabBackground(int resId) { 515 | this.tabBackgroundResId = resId; 516 | } 517 | 518 | public int getTabBackground() { 519 | return tabBackgroundResId; 520 | } 521 | 522 | public void setTabPaddingLeftRight(int paddingPx) { 523 | this.tabPadding = paddingPx; 524 | updateTabStyles(); 525 | } 526 | 527 | public int getTabPaddingLeftRight() { 528 | return tabPadding; 529 | } 530 | 531 | @Override 532 | public void onRestoreInstanceState(Parcelable state) { 533 | SavedState savedState = (SavedState) state; 534 | super.onRestoreInstanceState(savedState.getSuperState()); 535 | currentPosition = savedState.currentPosition; 536 | requestLayout(); 537 | } 538 | 539 | @Override 540 | public Parcelable onSaveInstanceState() { 541 | Parcelable superState = super.onSaveInstanceState(); 542 | SavedState savedState = new SavedState(superState); 543 | savedState.currentPosition = currentPosition; 544 | return savedState; 545 | } 546 | 547 | static class SavedState extends BaseSavedState { 548 | int currentPosition; 549 | 550 | public SavedState(Parcelable superState) { 551 | super(superState); 552 | } 553 | 554 | private SavedState(Parcel in) { 555 | super(in); 556 | currentPosition = in.readInt(); 557 | } 558 | 559 | @Override 560 | public void writeToParcel(Parcel dest, int flags) { 561 | super.writeToParcel(dest, flags); 562 | dest.writeInt(currentPosition); 563 | } 564 | 565 | public static final Parcelable.Creator CREATOR = new Parcelable.Creator() { 566 | @Override 567 | public SavedState createFromParcel(Parcel in) { 568 | return new SavedState(in); 569 | } 570 | 571 | @Override 572 | public SavedState[] newArray(int size) { 573 | return new SavedState[size]; 574 | } 575 | }; 576 | } 577 | 578 | } 579 | -------------------------------------------------------------------------------- /src/com/kmshack/newsstand/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.kmshack.newsstand; 2 | 3 | import android.annotation.SuppressLint; 4 | import android.os.Build; 5 | import android.os.Bundle; 6 | import android.support.v4.app.Fragment; 7 | import android.support.v4.app.FragmentActivity; 8 | import android.support.v4.app.FragmentManager; 9 | import android.support.v4.app.FragmentPagerAdapter; 10 | import android.support.v4.util.SparseArrayCompat; 11 | import android.support.v4.view.ViewPager; 12 | import android.view.View; 13 | import android.widget.AbsListView; 14 | import android.widget.TextView; 15 | 16 | import com.astuetz.PagerSlidingTabStrip; 17 | 18 | @SuppressLint("NewApi") 19 | public class MainActivity extends FragmentActivity implements ScrollTabHolder, ViewPager.OnPageChangeListener { 20 | 21 | public static final boolean NEEDS_PROXY = Integer.valueOf(Build.VERSION.SDK_INT).intValue() < 11; 22 | 23 | private View mHeader; 24 | 25 | private PagerSlidingTabStrip mPagerSlidingTabStrip; 26 | private ViewPager mViewPager; 27 | private PagerAdapter mPagerAdapter; 28 | 29 | private int mMinHeaderHeight; 30 | private int mHeaderHeight; 31 | private int mMinHeaderTranslation; 32 | 33 | private TextView info; 34 | private int mLastY; 35 | 36 | @Override 37 | protected void onCreate(Bundle savedInstanceState) { 38 | super.onCreate(savedInstanceState); 39 | 40 | mMinHeaderHeight = getResources().getDimensionPixelSize(R.dimen.min_header_height); 41 | mHeaderHeight = getResources().getDimensionPixelSize(R.dimen.header_height); 42 | mMinHeaderTranslation = -mMinHeaderHeight; 43 | 44 | setContentView(R.layout.activity_main); 45 | 46 | mHeader = findViewById(R.id.header); 47 | info = (TextView) findViewById(R.id.info); 48 | 49 | mPagerSlidingTabStrip = (PagerSlidingTabStrip) findViewById(R.id.tabs); 50 | mViewPager = (ViewPager) findViewById(R.id.pager); 51 | mViewPager.setOffscreenPageLimit(4); 52 | 53 | mPagerAdapter = new PagerAdapter(getSupportFragmentManager()); 54 | mPagerAdapter.setTabHolderScrollingContent(this); 55 | 56 | mViewPager.setAdapter(mPagerAdapter); 57 | 58 | mPagerSlidingTabStrip.setViewPager(mViewPager); 59 | mPagerSlidingTabStrip.setOnPageChangeListener(this); 60 | mLastY=0; 61 | } 62 | 63 | @Override 64 | public void onPageScrollStateChanged(int arg0) { 65 | // nothing 66 | } 67 | 68 | @Override 69 | public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { 70 | 71 | if (positionOffsetPixels > 0) { 72 | int currentItem = mViewPager.getCurrentItem(); 73 | 74 | SparseArrayCompat scrollTabHolders = mPagerAdapter.getScrollTabHolders(); 75 | ScrollTabHolder currentHolder; 76 | 77 | if (position < currentItem) { 78 | currentHolder = scrollTabHolders.valueAt(position); 79 | } else { 80 | currentHolder = scrollTabHolders.valueAt(position + 1); 81 | } 82 | 83 | if (NEEDS_PROXY) { 84 | // TODO is not good 85 | currentHolder.adjustScroll(mHeader.getHeight() - mLastY); 86 | mHeader.postInvalidate(); 87 | } else { 88 | currentHolder.adjustScroll((int) (mHeader.getHeight() + mHeader.getTranslationY())); 89 | } 90 | } 91 | } 92 | 93 | @Override 94 | public void onPageSelected(int position) { 95 | SparseArrayCompat scrollTabHolders = mPagerAdapter.getScrollTabHolders(); 96 | ScrollTabHolder currentHolder = scrollTabHolders.valueAt(position); 97 | if(NEEDS_PROXY){ 98 | //TODO is not good 99 | currentHolder.adjustScroll(mHeader.getHeight()-mLastY); 100 | mHeader.postInvalidate(); 101 | }else{ 102 | currentHolder.adjustScroll((int) (mHeader.getHeight() +mHeader.getTranslationY())); 103 | } 104 | } 105 | 106 | @Override 107 | public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount, int pagePosition) { 108 | if (mViewPager.getCurrentItem() == pagePosition) { 109 | int scrollY = getScrollY(view); 110 | if(NEEDS_PROXY){ 111 | //TODO is not good 112 | mLastY=-Math.max(-scrollY, mMinHeaderTranslation); 113 | info.setText(String.valueOf(scrollY)); 114 | mHeader.scrollTo(0, mLastY); 115 | mHeader.postInvalidate(); 116 | }else{ 117 | mHeader.setTranslationY(Math.max(-scrollY, mMinHeaderTranslation)); 118 | } 119 | } 120 | } 121 | 122 | @Override 123 | public void adjustScroll(int scrollHeight) { 124 | // nothing 125 | } 126 | 127 | public int getScrollY(AbsListView view) { 128 | View c = view.getChildAt(0); 129 | if (c == null) { 130 | return 0; 131 | } 132 | 133 | int firstVisiblePosition = view.getFirstVisiblePosition(); 134 | int top = c.getTop(); 135 | 136 | int headerHeight = 0; 137 | if (firstVisiblePosition >= 1) { 138 | headerHeight = mHeaderHeight; 139 | } 140 | 141 | return -top + firstVisiblePosition * c.getHeight() + headerHeight; 142 | } 143 | 144 | public static float clamp(float value, float max, float min) { 145 | return Math.max(Math.min(value, min), max); 146 | } 147 | 148 | public class PagerAdapter extends FragmentPagerAdapter { 149 | 150 | private SparseArrayCompat mScrollTabHolders; 151 | private final String[] TITLES = { "Page 1", "Page 2", "Page 3", "Page 4"}; 152 | private ScrollTabHolder mListener; 153 | 154 | public PagerAdapter(FragmentManager fm) { 155 | super(fm); 156 | mScrollTabHolders = new SparseArrayCompat(); 157 | } 158 | 159 | public void setTabHolderScrollingContent(ScrollTabHolder listener) { 160 | mListener = listener; 161 | } 162 | 163 | @Override 164 | public CharSequence getPageTitle(int position) { 165 | return TITLES[position]; 166 | } 167 | 168 | @Override 169 | public int getCount() { 170 | return TITLES.length; 171 | } 172 | 173 | @Override 174 | public Fragment getItem(int position) { 175 | ScrollTabHolderFragment fragment = (ScrollTabHolderFragment) SampleListFragment.newInstance(position); 176 | 177 | mScrollTabHolders.put(position, fragment); 178 | if (mListener != null) { 179 | fragment.setScrollTabHolder(mListener); 180 | } 181 | 182 | return fragment; 183 | } 184 | 185 | public SparseArrayCompat getScrollTabHolders() { 186 | return mScrollTabHolders; 187 | } 188 | 189 | } 190 | } 191 | -------------------------------------------------------------------------------- /src/com/kmshack/newsstand/SampleListFragment.java: -------------------------------------------------------------------------------- 1 | package com.kmshack.newsstand; 2 | 3 | import java.util.ArrayList; 4 | 5 | import android.os.Bundle; 6 | import android.support.v4.app.Fragment; 7 | import android.view.LayoutInflater; 8 | import android.view.MotionEvent; 9 | import android.view.View; 10 | import android.view.View.OnTouchListener; 11 | import android.view.ViewGroup; 12 | import android.widget.AbsListView; 13 | import android.widget.AbsListView.OnScrollListener; 14 | import android.widget.ArrayAdapter; 15 | import android.widget.ListView; 16 | 17 | public class SampleListFragment extends ScrollTabHolderFragment{ 18 | 19 | private static final String ARG_POSITION = "position"; 20 | 21 | private ListView mListView; 22 | private ArrayList mListItems; 23 | 24 | private int mPosition; 25 | 26 | public static Fragment newInstance(int position) { 27 | SampleListFragment f = new SampleListFragment(); 28 | Bundle b = new Bundle(); 29 | b.putInt(ARG_POSITION, position); 30 | f.setArguments(b); 31 | return f; 32 | } 33 | 34 | @Override 35 | public void onCreate(Bundle savedInstanceState) { 36 | super.onCreate(savedInstanceState); 37 | mPosition = getArguments().getInt(ARG_POSITION); 38 | 39 | mListItems = new ArrayList(); 40 | 41 | for (int i = 1; i <= 100; i++) { 42 | mListItems.add(i + ". item - currnet page: " + (mPosition + 1)); 43 | } 44 | } 45 | 46 | @Override 47 | public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 48 | View v = inflater.inflate(R.layout.fragment_list, null); 49 | 50 | mListView = (ListView) v.findViewById(R.id.listView); 51 | 52 | View placeHolderView = inflater.inflate(R.layout.view_header_placeholder, mListView, false); 53 | placeHolderView.setBackgroundColor(0xFFFFFFFF); 54 | mListView.addHeaderView(placeHolderView); 55 | 56 | return v; 57 | } 58 | 59 | @Override 60 | public void onActivityCreated(Bundle savedInstanceState) { 61 | super.onActivityCreated(savedInstanceState); 62 | 63 | mListView.setOnScrollListener(new OnScroll()); 64 | mListView.setAdapter(new ArrayAdapter(getActivity(), R.layout.list_item, android.R.id.text1, mListItems)); 65 | 66 | if(MainActivity.NEEDS_PROXY){//in my moto phone(android 2.1),setOnScrollListener do not work well 67 | mListView.setOnTouchListener(new OnTouchListener() { 68 | @Override 69 | public boolean onTouch(View v, MotionEvent event) { 70 | if (mScrollTabHolder != null) 71 | mScrollTabHolder.onScroll(mListView, 0, 0, 0, mPosition); 72 | return false; 73 | } 74 | }); 75 | } 76 | } 77 | 78 | @Override 79 | public void adjustScroll(int scrollHeight) { 80 | if (scrollHeight == 0 && mListView.getFirstVisiblePosition() >= 1) { 81 | return; 82 | } 83 | 84 | mListView.setSelectionFromTop(1, scrollHeight); 85 | 86 | } 87 | 88 | public class OnScroll implements OnScrollListener{ 89 | 90 | @Override 91 | public void onScrollStateChanged(AbsListView view, int scrollState) { 92 | 93 | } 94 | 95 | @Override 96 | public void onScroll(AbsListView view, int firstVisibleItem, 97 | int visibleItemCount, int totalItemCount) { 98 | if (mScrollTabHolder != null) 99 | mScrollTabHolder.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount, mPosition); 100 | } 101 | 102 | } 103 | 104 | 105 | @Override 106 | public void onScroll(AbsListView view, int firstVisibleItem, 107 | int visibleItemCount, int totalItemCount, int pagePosition) { 108 | } 109 | 110 | } -------------------------------------------------------------------------------- /src/com/kmshack/newsstand/ScrollTabHolder.java: -------------------------------------------------------------------------------- 1 | package com.kmshack.newsstand; 2 | 3 | import android.widget.AbsListView; 4 | 5 | public interface ScrollTabHolder { 6 | 7 | void adjustScroll(int scrollHeight); 8 | 9 | void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount, int pagePosition); 10 | } 11 | -------------------------------------------------------------------------------- /src/com/kmshack/newsstand/ScrollTabHolderFragment.java: -------------------------------------------------------------------------------- 1 | package com.kmshack.newsstand; 2 | 3 | import android.support.v4.app.Fragment; 4 | 5 | public abstract class ScrollTabHolderFragment extends Fragment implements ScrollTabHolder { 6 | 7 | protected ScrollTabHolder mScrollTabHolder; 8 | 9 | public void setScrollTabHolder(ScrollTabHolder scrollTabHolder) { 10 | mScrollTabHolder = scrollTabHolder; 11 | } 12 | } --------------------------------------------------------------------------------