├── .gitignore ├── CHANGELOG.md ├── LICENSE ├── README.md ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── library ├── .gitignore ├── build.gradle ├── proguard-rules.txt └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── se │ │ └── jmvo │ │ ├── support │ │ └── ViewCompat.java │ │ └── widget │ │ └── ParallaxScrollView.java │ └── res │ └── values │ └── attrs.xml ├── maven_push.gradle ├── sample ├── .gitignore ├── build.gradle ├── proguard-rules.txt └── src │ └── main │ ├── AndroidManifest.xml │ ├── ic_launcher-web.png │ ├── java │ └── se │ │ └── jmvo │ │ └── parallax │ │ └── sample │ │ └── MainActivity.java │ └── res │ ├── drawable-hdpi │ └── ic_launcher.png │ ├── drawable-mdpi │ └── ic_launcher.png │ ├── drawable-xhdpi │ └── ic_launcher.png │ ├── drawable-xxhdpi │ ├── bg1.png │ └── ic_launcher.png │ ├── layout │ └── activity_main.xml │ ├── values-v14 │ └── styles.xml │ ├── values-w820dp │ └── dimens.xml │ └── values │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | /local.properties 3 | .idea 4 | *.iml 5 | *.ipr 6 | *.iws 7 | .DS_Store 8 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | Change Log 2 | ========== 3 | 4 | 5 | Version 1.0 *(2014-01-25)* 6 | -------------------------- 7 | 8 | Initial release. -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. 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The text should be enclosed in the appropriate 185 | comment syntax for the file format. We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright [yyyy] [name of copyright owner] 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Android-ParallaxScrollView 2 | ========================== 3 | 4 | A Parallax [ScrollView](http://developer.android.com/reference/android/widget/ScrollView.html) for Android. Mimics the behavior of the album view in the Google Play Music application. 5 | 6 | ## Integration 7 | Integrating is as easy as replacing a ScrollView with the ParallaxScrollView and setting a view reference. 8 | 9 | 16 | 17 | ... 18 | 19 | 20 | 21 | The child view of the ParallaxScrollView with the reference id set by the attribute 22 | `app:backgroundView` will be used for parallax scrolling. The amount of scrolling can be set 23 | using the attribute `app:scrollFactor`. It is also possible to change these values from the code. 24 | 25 | parallaxScrollView.setBackgroundView(resId); 26 | parallaxScrollView.setBackgroundView(view); 27 | 28 | parallaxScrollView.setScrollFactor(float); 29 | 30 | See the sample project for more information. 31 | 32 | ## Video 33 | 34 | [![Demo Video](http://img.youtube.com/vi/xCnHY1so_lw/0.jpg)](https://www.youtube.com/watch?v=xCnHY1so_lw) 35 | 36 | ## License 37 | 38 | Copyright 2014 Johan Olsson 39 | 40 | Licensed under the Apache License, Version 2.0 (the "License"); 41 | you may not use this file except in compliance with the License. 42 | You may obtain a copy of the License at 43 | 44 | http://www.apache.org/licenses/LICENSE-2.0 45 | 46 | Unless required by applicable law or agreed to in writing, software 47 | distributed under the License is distributed on an "AS IS" BASIS, 48 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 49 | See the License for the specific language governing permissions and 50 | limitations under the License. -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | repositories { 3 | mavenCentral() 4 | } 5 | dependencies { 6 | classpath 'com.android.tools.build:gradle:0.8.+' 7 | } 8 | } 9 | 10 | def isReleaseBuild() { 11 | return version.contains("SNAPSHOT") == false 12 | } 13 | 14 | allprojects { 15 | version = VERSION_NAME 16 | group = GROUP 17 | 18 | repositories { 19 | mavenCentral() 20 | } 21 | } 22 | 23 | apply plugin: 'android-reporting' -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | VERSION_NAME=1.0.0 2 | VERSION_CODE=1 3 | GROUP=com.github.johanols.android-parallaxscrollview 4 | 5 | POM_DESCRIPTION=A Parallax ScrollView for Android 6 | POM_URL=https://github.com/johanols/Android-ParallaxScrollView 7 | POM_SCM_URL=https://github.com/johanols/Android-ParallaxScrollView 8 | POM_SCM_CONNECTION=scm:git@github.com:johanols/Android-ParallaxScrollView.git 9 | POM_SCM_DEV_CONNECTION=scm:git@github.com:johanols/Android-ParallaxScrollView.git 10 | POM_LICENCE_NAME=The Apache Software License, Version 2.0 11 | POM_LICENCE_URL=http://www.apache.org/licenses/LICENSE-2.0.txt 12 | POM_LICENCE_DIST=repo 13 | POM_DEVELOPER_ID=johanols 14 | POM_DEVELOPER_NAME=Johan Olsson -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/johanols/Android-ParallaxScrollView/d39c01e4824f44ee014a10f4bbfabd9f3b6702f1/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Sat Jan 25 12:17:50 CET 2014 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-bin.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 | -------------------------------------------------------------------------------- /library/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /library/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'android-library' 2 | 3 | android { 4 | compileSdkVersion 19 5 | buildToolsVersion "19.0.1" 6 | 7 | defaultConfig { 8 | minSdkVersion 4 9 | targetSdkVersion 19 10 | versionCode 1 11 | versionName "1.0" 12 | } 13 | } 14 | 15 | dependencies { 16 | } 17 | -------------------------------------------------------------------------------- /library/proguard-rules.txt: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /home/johol/android-studio/sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the ProGuard 5 | # include property in project.properties. 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 | #} -------------------------------------------------------------------------------- /library/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /library/src/main/java/se/jmvo/support/ViewCompat.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2014 Johan Olsson 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 se.jmvo.support; 18 | 19 | import android.view.View; 20 | import android.view.animation.Animation; 21 | import android.view.animation.Transformation; 22 | 23 | /** 24 | * Compatibility class used for setting Y translation prior to Android 3.0 Honeycomb. 25 | * 26 | * @author Johan Olsson 27 | */ 28 | public final class ViewCompat extends Animation { 29 | 30 | // =========================================================== 31 | // Static method 32 | // =========================================================== 33 | 34 | public static ViewCompat wrap(View view) { 35 | Animation wrapper = view.getAnimation(); 36 | if (wrapper instanceof ViewCompat) { 37 | return (ViewCompat) wrapper; 38 | } 39 | else { 40 | return new ViewCompat(view); 41 | } 42 | } 43 | 44 | // =========================================================== 45 | // Private variables 46 | // =========================================================== 47 | 48 | private final View mView; 49 | 50 | private float mTranslationY; 51 | 52 | // =========================================================== 53 | // Constructor 54 | // =========================================================== 55 | 56 | private ViewCompat(View view) { 57 | setDuration(0); 58 | setFillAfter(true); 59 | view.setAnimation(this); 60 | mView = view; 61 | } 62 | 63 | public void setTranslationY(float translationY) { 64 | mTranslationY = translationY; 65 | } 66 | 67 | @Override 68 | protected void applyTransformation(float interpolatedTime, Transformation t) { 69 | if (mView != null) { 70 | t.getMatrix().postTranslate(0, mTranslationY); 71 | } 72 | } 73 | } -------------------------------------------------------------------------------- /library/src/main/java/se/jmvo/widget/ParallaxScrollView.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2014 Johan Olsson 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 se.jmvo.widget; 18 | 19 | import android.annotation.TargetApi; 20 | import android.content.Context; 21 | import android.content.res.TypedArray; 22 | import android.os.Build; 23 | import android.util.AttributeSet; 24 | import android.view.View; 25 | import android.widget.ScrollView; 26 | 27 | import se.jmvo.support.ViewCompat; 28 | 29 | /** 30 | * Implementation of a {@link android.widget.ScrollView} with support for 31 | * parallax scrolling. 32 | * 33 | * @author Johan Olsson 34 | */ 35 | public class ParallaxScrollView extends ScrollView { 36 | 37 | // =========================================================== 38 | // Constants 39 | // =========================================================== 40 | 41 | private static final float DEFAULT_SCROLL_FACTOR = 0.6f; 42 | private float mScrollFactor = DEFAULT_SCROLL_FACTOR; 43 | 44 | // =========================================================== 45 | // Private variables 46 | // =========================================================== 47 | private static final boolean PRE_HONEYCOMB = Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB; 48 | private int mBackgroundResId; 49 | private View mBackgroundView; 50 | 51 | // =========================================================== 52 | // Constructors 53 | // =========================================================== 54 | 55 | public ParallaxScrollView(Context context) { 56 | super(context); 57 | initView(context, null, 0); 58 | } 59 | 60 | public ParallaxScrollView(Context context, AttributeSet attrs) { 61 | super(context, attrs); 62 | initView(context, attrs, 0); 63 | } 64 | 65 | public ParallaxScrollView(Context context, AttributeSet attrs, int defStyle) { 66 | super(context, attrs, defStyle); 67 | initView(context, attrs, defStyle); 68 | } 69 | 70 | /** 71 | * Extract the additional attributes needed. 72 | * 73 | * @param context The context used to create the view. 74 | * @param attrs The desired attributes to be retrieved. 75 | * @param defStyle A resource identifier of a style resource that supplies default values for 76 | * the TypedArray. Can be 0 if defaults should not be used. 77 | */ 78 | private void initView(Context context, AttributeSet attrs, int defStyle) { 79 | if (isInEditMode()) { 80 | return; 81 | } 82 | 83 | if (attrs != null) { 84 | TypedArray values = context.obtainStyledAttributes(attrs, R.styleable.ParallaxScrollView, defStyle, 0); 85 | mBackgroundResId = values.getResourceId(R.styleable.ParallaxScrollView_backgroundView, 0); 86 | mScrollFactor = values.getFloat(R.styleable.ParallaxScrollView_scrollFactor, DEFAULT_SCROLL_FACTOR); 87 | values.recycle(); 88 | } 89 | 90 | // Disable fading edge 91 | setVerticalFadingEdgeEnabled(false); 92 | } 93 | 94 | /** 95 | * Define which view that will be subject to parallax scrolling. 96 | * 97 | * @param resId The identifier of the resource that will be parallax scrolling. 98 | */ 99 | public void setBackgroundView(int resId) { 100 | mBackgroundView = findViewById(resId); 101 | } 102 | 103 | /** 104 | * Define which view that will be subject to parallax scrolling. 105 | * 106 | * @param view The view that will be parallax scrolling. 107 | */ 108 | public void setBackgroundView(View view) { 109 | mBackgroundView = view; 110 | } 111 | 112 | /** 113 | * Define the pace with witch the background view scrolls in relation to the scrolling 114 | * of the {@link android.widget.ScrollView}. 115 | * 116 | * @param scrollFactor A factor defining the scroll pace of the background view. 117 | */ 118 | public void setScrollFactor(float scrollFactor) { 119 | mScrollFactor = scrollFactor; 120 | } 121 | 122 | @Override 123 | protected void onLayout(boolean changed, int l, int t, int r, int b) { 124 | super.onLayout(changed, l, t, r, b); 125 | if (changed) { 126 | // On layout changes (eg. orientation change) scroll offset might have changed. 127 | // Setting a new Y translation here removes any background view hiccups. 128 | translateBackgroundView(getScrollY()); 129 | } 130 | } 131 | 132 | @Override 133 | protected void onAttachedToWindow() { 134 | super.onAttachedToWindow(); 135 | 136 | // If resource was set in XML, that child view will be available upon attaching this view 137 | // to the view hierarchy. 138 | if (mBackgroundResId > 0 && mBackgroundView == null) { 139 | mBackgroundView = findViewById(mBackgroundResId); 140 | mBackgroundResId = 0; 141 | } 142 | } 143 | 144 | @Override 145 | protected void onDetachedFromWindow() { 146 | // Clean up for versions prior to Honeycomb. Since translation is achieved using the 147 | // Android animation API all animations are removed when this view is detached. 148 | if (PRE_HONEYCOMB && mBackgroundView != null) { 149 | mBackgroundView.clearAnimation(); 150 | } 151 | mBackgroundView = null; 152 | super.onDetachedFromWindow(); 153 | } 154 | 155 | @Override 156 | protected void onScrollChanged(int l, int t, int oldl, int oldt) { 157 | super.onScrollChanged(l, t, oldl, oldt); 158 | translateBackgroundView(t); 159 | } 160 | 161 | @TargetApi(Build.VERSION_CODES.HONEYCOMB) 162 | private void translateBackgroundView(int y) { 163 | if (mBackgroundView != null) { 164 | int translationY = (int) (y * mScrollFactor); 165 | if (PRE_HONEYCOMB) { 166 | ViewCompat.wrap(mBackgroundView).setTranslationY(translationY); 167 | } else { 168 | mBackgroundView.setTranslationY(translationY); 169 | } 170 | } 171 | } 172 | } 173 | -------------------------------------------------------------------------------- /library/src/main/res/values/attrs.xml: -------------------------------------------------------------------------------- 1 | 2 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /maven_push.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'maven' 2 | apply plugin: 'signing' 3 | 4 | def sonatypeRepositoryUrl 5 | if (isReleaseBuild()) { 6 | println 'RELEASE BUILD' 7 | sonatypeRepositoryUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/" 8 | } else { 9 | println 'DEBUG BUILD' 10 | sonatypeRepositoryUrl = "https://oss.sonatype.org/content/repositories/snapshots/" 11 | } 12 | 13 | afterEvaluate { project -> 14 | uploadArchives { 15 | repositories { 16 | mavenDeployer { 17 | beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) } 18 | 19 | pom.artifactId = POM_ARTIFACT_ID 20 | 21 | repository(url: sonatypeRepositoryUrl) { 22 | authentication(userName: nexusUsername, password: nexusPassword) 23 | } 24 | 25 | pom.project { 26 | name POM_NAME 27 | packaging POM_PACKAGING 28 | description POM_DESCRIPTION 29 | url POM_URL 30 | 31 | scm { 32 | url POM_SCM_URL 33 | connection POM_SCM_CONNECTION 34 | developerConnection POM_SCM_DEV_CONNECTION 35 | } 36 | 37 | licenses { 38 | license { 39 | name POM_LICENCE_NAME 40 | url POM_LICENCE_URL 41 | distribution POM_LICENCE_DIST 42 | } 43 | } 44 | 45 | developers { 46 | developer { 47 | id POM_DEVELOPER_ID 48 | name POM_DEVELOPER_NAME 49 | } 50 | } 51 | } 52 | } 53 | } 54 | } 55 | 56 | signing { 57 | required { isReleaseBuild() && gradle.taskGraph.hasTask("uploadArchives") } 58 | sign configurations.archives 59 | } 60 | 61 | task androidJavadocs(type: Javadoc) { 62 | source = android.sourceSets.main.allJava 63 | } 64 | 65 | task androidJavadocsJar(type: Jar) { 66 | classifier = 'javadoc' 67 | //basename = artifact_id 68 | from androidJavadocs.destinationDir 69 | } 70 | 71 | task androidSourcesJar(type: Jar) { 72 | classifier = 'sources' 73 | //basename = artifact_id 74 | from android.sourceSets.main.allSource 75 | } 76 | 77 | artifacts { 78 | //archives packageReleaseJar 79 | archives androidSourcesJar 80 | archives androidJavadocsJar 81 | } 82 | } -------------------------------------------------------------------------------- /sample/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /sample/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'android' 2 | 3 | android { 4 | compileSdkVersion 19 5 | buildToolsVersion "19.0.1" 6 | 7 | defaultConfig { 8 | minSdkVersion 4 9 | targetSdkVersion 19 10 | versionCode 1 11 | versionName "1.0" 12 | } 13 | } 14 | 15 | dependencies { 16 | compile project(':library'); 17 | } 18 | -------------------------------------------------------------------------------- /sample/proguard-rules.txt: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /home/johol/android-studio/sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the ProGuard 5 | # include property in project.properties. 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 | #} -------------------------------------------------------------------------------- /sample/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /sample/src/main/ic_launcher-web.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/johanols/Android-ParallaxScrollView/d39c01e4824f44ee014a10f4bbfabd9f3b6702f1/sample/src/main/ic_launcher-web.png -------------------------------------------------------------------------------- /sample/src/main/java/se/jmvo/parallax/sample/MainActivity.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2014 Johan Olsson 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 se.jmvo.parallax.sample; 18 | 19 | import android.app.Activity; 20 | import android.os.Bundle; 21 | 22 | public class MainActivity extends Activity { 23 | 24 | @Override 25 | protected void onCreate(Bundle savedInstanceState) { 26 | super.onCreate(savedInstanceState); 27 | setContentView(R.layout.activity_main); 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/johanols/Android-ParallaxScrollView/d39c01e4824f44ee014a10f4bbfabd9f3b6702f1/sample/src/main/res/drawable-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/johanols/Android-ParallaxScrollView/d39c01e4824f44ee014a10f4bbfabd9f3b6702f1/sample/src/main/res/drawable-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/johanols/Android-ParallaxScrollView/d39c01e4824f44ee014a10f4bbfabd9f3b6702f1/sample/src/main/res/drawable-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-xxhdpi/bg1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/johanols/Android-ParallaxScrollView/d39c01e4824f44ee014a10f4bbfabd9f3b6702f1/sample/src/main/res/drawable-xxhdpi/bg1.png -------------------------------------------------------------------------------- /sample/src/main/res/drawable-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/johanols/Android-ParallaxScrollView/d39c01e4824f44ee014a10f4bbfabd9f3b6702f1/sample/src/main/res/drawable-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 19 | 26 | 27 | 34 | 35 | 39 | 40 | 41 | 47 | 48 | 49 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | -------------------------------------------------------------------------------- /sample/src/main/res/values-v14/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /sample/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /sample/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | 7 | -------------------------------------------------------------------------------- /sample/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | ParallaxScrollView Sample 5 | 6 | Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut 7 | labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores 8 | et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.\n\nLorem 9 | ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et 10 | dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. 11 | Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.\n\nLorem ipsum dolor 12 | sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna 13 | aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita 14 | kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.\n\nDuis autem vel eum iriure dolor 15 | in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at 16 | vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis 17 | dolore te feugait nulla facilisi. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam 18 | nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /sample/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':library', ':sample' 2 | --------------------------------------------------------------------------------