├── .gitignore ├── README.md ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── rollinglayoutmanagerkotlin ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── net │ │ └── vrgsoft │ │ └── rollinglayoutmanagerkotlin │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── net │ │ │ └── vrgsoft │ │ │ └── rollinglayoutmanagerkotlin │ │ │ └── RollingLayoutManager.kt │ └── res │ │ └── values │ │ └── strings.xml │ └── test │ └── java │ └── net │ └── vrgsoft │ └── rollinglayoutmanagerkotlin │ └── ExampleUnitTest.java ├── sample ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── net │ │ └── vrgsoft │ │ └── rollinglayoutmanagerkotlin │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── net │ │ │ └── vrgsoft │ │ │ └── rollinglayoutmanagerkotlin │ │ │ ├── SampleActivity.kt │ │ │ └── SimpleAdapter.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ ├── activity_sample.xml │ │ └── item_simple.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── net │ └── vrgsoft │ └── rollinglayoutmanagerkotlin │ └── ExampleUnitTest.kt └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild 10 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # RollingLayoutManager 2 | 3 | alt text 4 | 5 | #### [HIRE US](http://vrgsoft.net/) 6 | 7 | # Usage 8 | 9 | *For a working implementation, Have a look at the Sample Project - app* 10 | 11 | 1. Include the library as local library project. 12 | ```gradle 13 | allprojects { 14 | repositories { 15 | maven { url 'https://jitpack.io' } 16 | } 17 | } 18 | 19 | dependencies { 20 | compile 'com.github.VRGsoftUA:RollingLayoutManagerKotlin:1.0' 21 | } 22 | ``` 23 | 2. Create an insance of RollingLayoutManager 24 | ```java 25 | val recyclerView = findViewById(R.id.recycler_view) 26 | val rollingLayoutManager = RollingLayoutManager(this) 27 | recyclerView.layoutManager = rollingLayoutManager 28 | ``` 29 | #### Contributing 30 | * Contributions are always welcome 31 | * If you want a feature and can code, feel free to fork and add the change yourself and make a pull request 32 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | ext.kotlin_version = '1.2.0' 5 | ext.kotlin_version = '1.1.51' 6 | repositories { 7 | google() 8 | jcenter() 9 | } 10 | dependencies { 11 | classpath 'com.android.tools.build:gradle:3.0.0' 12 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 13 | 14 | // NOTE: Do not place your application dependencies here; they belong 15 | // in the individual module build.gradle files 16 | } 17 | } 18 | 19 | allprojects { 20 | repositories { 21 | google() 22 | jcenter() 23 | maven { url 'https://jitpack.io' } 24 | } 25 | } 26 | 27 | task clean(type: Delete) { 28 | delete rootProject.buildDir 29 | } 30 | -------------------------------------------------------------------------------- /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 | org.gradle.jvmargs=-Xmx1536m 13 | android.enableAapt2=false 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 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VRGsoftUA/RollingLayoutManagerKotlin/d1243f945b033d9923b03994976f727b9cae8d4e/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Wed Dec 06 16:23:31 EET 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-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 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.library' 2 | apply plugin: 'kotlin-android' 3 | 4 | android { 5 | compileSdkVersion 26 6 | defaultConfig { 7 | minSdkVersion 16 8 | targetSdkVersion 26 9 | versionCode 1 10 | versionName "1.0" 11 | multiDexEnabled true 12 | 13 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 14 | 15 | } 16 | 17 | buildTypes { 18 | release { 19 | minifyEnabled false 20 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 21 | } 22 | } 23 | 24 | } 25 | def supportVersion = '26.1.0' 26 | dependencies { 27 | implementation fileTree(dir: 'libs', include: ['*.jar']) 28 | implementation "com.android.support:appcompat-v7:$supportVersion" 29 | implementation "com.android.support:design:$supportVersion" 30 | 31 | testImplementation 'junit:junit:4.12' 32 | androidTestImplementation 'com.android.support.test:runner:1.0.1' 33 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1' 34 | compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version" 35 | } 36 | repositories { 37 | mavenCentral() 38 | } 39 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/src/androidTest/java/net/vrgsoft/rollinglayoutmanagerkotlin/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package net.vrgsoft.rollinglayoutmanagerkotlin; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumented test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("net.vrgsoft.rollinglayoutmanagerkotlin.test", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/src/main/java/net/vrgsoft/rollinglayoutmanagerkotlin/RollingLayoutManager.kt: -------------------------------------------------------------------------------- 1 | package net.vrgsoft.rollinglayoutmanagerkotlin 2 | 3 | 4 | import android.content.Context 5 | import android.graphics.PointF 6 | import android.support.v7.widget.LinearLayoutManager 7 | import android.support.v7.widget.LinearSmoothScroller 8 | import android.support.v7.widget.RecyclerView 9 | import android.util.Log 10 | 11 | 12 | class RollingLayoutManager(context: Context) : LinearLayoutManager(context) { 13 | 14 | override fun onLayoutChildren(recycler: RecyclerView.Recycler?, state: RecyclerView.State) { 15 | updateViewScale() 16 | super.onLayoutChildren(recycler, state) 17 | } 18 | 19 | private fun updateViewScale() { 20 | 21 | val height = height.toFloat() 22 | for (i in 0 until childCount) { 23 | val view = getChildAt(i) 24 | val childHeight = view.height 25 | val rotationTresholdPersent = 1f - childHeight / height 26 | val thresholdPx = (height * rotationTresholdPersent).toInt() 27 | var scale: Float 28 | val viewTop = getDecoratedTop(view) 29 | if (viewTop >= thresholdPx) { 30 | val delta = viewTop - thresholdPx 31 | scale = (childHeight - delta) / childHeight.toFloat() 32 | scale = Math.max(scale, 0f) 33 | view.alpha = 0.1f + 0.9f * scale 34 | view.pivotX = (view.width / 2).toFloat() 35 | view.pivotY = (-view.height / 12).toFloat() 36 | view.rotationX = -90 * (1 - scale) 37 | } else { 38 | view.rotationX = 0f 39 | view.alpha = 1f 40 | } 41 | } 42 | } 43 | 44 | override fun smoothScrollToPosition(recyclerView: RecyclerView, state: RecyclerView.State?, position: Int) { 45 | if (position >= itemCount) { 46 | Log.e(TAG, "Cannot scroll to $position, item count is $itemCount") 47 | return 48 | } 49 | 50 | val scroller = object : LinearSmoothScroller(recyclerView.context) { 51 | override fun computeScrollVectorForPosition(targetPosition: Int): PointF? { 52 | return this@RollingLayoutManager.computeScrollVectorForPosition(targetPosition) 53 | } 54 | 55 | override fun getVerticalSnapPreference(): Int { 56 | return LinearSmoothScroller.SNAP_TO_START 57 | } 58 | } 59 | scroller.targetPosition = position 60 | startSmoothScroll(scroller) 61 | } 62 | 63 | override fun computeScrollVectorForPosition(targetPosition: Int): PointF? { 64 | if (childCount == 0) { 65 | return null 66 | } 67 | val firstChildPos = getPosition(getChildAt(0)) 68 | val direction = if (targetPosition < firstChildPos) -1 else 1 69 | return PointF(0f, direction.toFloat()) 70 | } 71 | 72 | override fun scrollVerticallyBy(dy: Int, recycler: RecyclerView.Recycler?, state: RecyclerView.State?): Int { 73 | updateViewScale() 74 | return super.scrollVerticallyBy(dy, recycler, state) 75 | } 76 | 77 | companion object { 78 | private val TAG = "RollingLayoutManager" 79 | } 80 | } 81 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | RollingLayoutManagerKotlin 3 | 4 | -------------------------------------------------------------------------------- /rollinglayoutmanagerkotlin/src/test/java/net/vrgsoft/rollinglayoutmanagerkotlin/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package net.vrgsoft.rollinglayoutmanagerkotlin; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * @see Testing documentation 11 | */ 12 | public class ExampleUnitTest { 13 | @Test 14 | public void addition_isCorrect() throws Exception { 15 | assertEquals(4, 2 + 2); 16 | } 17 | } -------------------------------------------------------------------------------- /sample/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /sample/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | apply plugin: 'kotlin-android' 4 | 5 | apply plugin: 'kotlin-android-extensions' 6 | 7 | android { 8 | compileSdkVersion 26 9 | defaultConfig { 10 | applicationId "net.vrgsoft.rollinglayoutmanagerkotlin" 11 | minSdkVersion 16 12 | targetSdkVersion 26 13 | versionCode 1 14 | versionName "1.0" 15 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 16 | multiDexEnabled true 17 | } 18 | buildTypes { 19 | release { 20 | minifyEnabled false 21 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 22 | } 23 | } 24 | } 25 | 26 | def supportVersion = '26.1.0' 27 | dependencies { 28 | implementation fileTree(dir: 'libs', include: ['*.jar']) 29 | implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version" 30 | implementation 'com.android.support:appcompat-v7:26.1.0' 31 | implementation "com.android.support:appcompat-v7:$supportVersion" 32 | implementation "com.android.support:cardview-v7:$supportVersion" 33 | compile 'com.github.VRGsoftUA:RollingLayoutManagerKotlin:1.0' 34 | 35 | implementation "com.android.support:design:$supportVersion" 36 | testImplementation 'junit:junit:4.12' 37 | androidTestImplementation 'com.android.support.test:runner:1.0.1' 38 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1' 39 | } 40 | -------------------------------------------------------------------------------- /sample/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /sample/src/androidTest/java/net/vrgsoft/rollinglayoutmanagerkotlin/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package net.vrgsoft.rollinglayoutmanagerkotlin 2 | 3 | import android.support.test.InstrumentationRegistry 4 | import android.support.test.runner.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getTargetContext() 22 | assertEquals("net.vrgsoft.rollinglayoutmanagerkotlin", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /sample/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /sample/src/main/java/net/vrgsoft/rollinglayoutmanagerkotlin/SampleActivity.kt: -------------------------------------------------------------------------------- 1 | package net.vrgsoft.rollinglayoutmanagerkotlin 2 | 3 | import android.os.Bundle 4 | import android.support.v7.app.AppCompatActivity 5 | import android.support.v7.widget.RecyclerView 6 | import java.util.* 7 | 8 | class SampleActivity : AppCompatActivity() { 9 | 10 | override fun onCreate(savedInstanceState: Bundle?) { 11 | super.onCreate(savedInstanceState) 12 | setContentView(R.layout.activity_sample) 13 | 14 | val recyclerView = findViewById(R.id.recycler_view) 15 | val rollingLayoutManager = RollingLayoutManager(this) 16 | recyclerView.layoutManager = rollingLayoutManager 17 | 18 | val simpleAdapter = SimpleAdapter(createTestData(20)) 19 | recyclerView.adapter = simpleAdapter 20 | } 21 | 22 | private fun createTestData(count: Int): List { 23 | val strings = ArrayList() 24 | for (i in 0 until count) { 25 | strings.add(UUID.randomUUID().toString()) 26 | } 27 | 28 | return strings 29 | } 30 | 31 | 32 | } 33 | -------------------------------------------------------------------------------- /sample/src/main/java/net/vrgsoft/rollinglayoutmanagerkotlin/SimpleAdapter.kt: -------------------------------------------------------------------------------- 1 | package net.vrgsoft.rollinglayoutmanagerkotlin 2 | 3 | import android.support.v7.widget.RecyclerView 4 | import android.view.LayoutInflater 5 | import android.view.View 6 | import android.view.ViewGroup 7 | import android.widget.TextView 8 | 9 | import java.util.ArrayList 10 | 11 | 12 | class SimpleAdapter @JvmOverloads constructor(private var mData: List? = ArrayList()) : RecyclerView.Adapter() { 13 | 14 | fun setData(data: List) { 15 | mData = data 16 | } 17 | 18 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SimpleViewHolder { 19 | 20 | val inflater = LayoutInflater.from(parent.context) 21 | return SimpleViewHolder(inflater.inflate(R.layout.item_simple, parent, false)) 22 | } 23 | 24 | override fun onBindViewHolder(holder: SimpleViewHolder, position: Int) { 25 | holder.bind(mData!![position]) 26 | } 27 | 28 | override fun getItemCount(): Int { 29 | return mData!!.size 30 | } 31 | 32 | inner class SimpleViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) { 33 | private val mTextView: TextView 34 | 35 | init { 36 | mTextView = itemView.findViewById(R.id.title) 37 | } 38 | 39 | fun bind(data: String) { 40 | mTextView.text = data 41 | } 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /sample/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /sample/src/main/res/layout/activity_sample.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 14 | 15 | -------------------------------------------------------------------------------- /sample/src/main/res/layout/item_simple.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 18 | 19 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /sample/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /sample/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /sample/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VRGsoftUA/RollingLayoutManagerKotlin/d1243f945b033d9923b03994976f727b9cae8d4e/sample/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VRGsoftUA/RollingLayoutManagerKotlin/d1243f945b033d9923b03994976f727b9cae8d4e/sample/src/main/res/mipmap-hdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /sample/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VRGsoftUA/RollingLayoutManagerKotlin/d1243f945b033d9923b03994976f727b9cae8d4e/sample/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- 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https://raw.githubusercontent.com/VRGsoftUA/RollingLayoutManagerKotlin/d1243f945b033d9923b03994976f727b9cae8d4e/sample/src/main/res/mipmap-xhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /sample/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VRGsoftUA/RollingLayoutManagerKotlin/d1243f945b033d9923b03994976f727b9cae8d4e/sample/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /sample/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VRGsoftUA/RollingLayoutManagerKotlin/d1243f945b033d9923b03994976f727b9cae8d4e/sample/src/main/res/mipmap-xxhdpi/ic_launcher_round.png 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#303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /sample/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 36dp 4 | 10dp 5 | 10dp 6 | 4dp 7 | 2dp 8 | -------------------------------------------------------------------------------- /sample/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | RollingLayoutManagerKotlin 3 | 4 | -------------------------------------------------------------------------------- /sample/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /sample/src/test/java/net/vrgsoft/rollinglayoutmanagerkotlin/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package net.vrgsoft.rollinglayoutmanagerkotlin 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':sample', ':rollinglayoutmanagerkotlin' 2 | --------------------------------------------------------------------------------