├── .gitignore ├── .idea ├── compiler.xml ├── copyright │ └── profiles_settings.xml ├── encodings.xml ├── gradle.xml ├── jarRepositories.xml ├── misc.xml ├── modules.xml └── vcs.xml ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── qindachang │ │ └── rulerview │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── davistsin │ │ │ └── rulerview │ │ │ └── MainActivity.java │ └── res │ │ ├── layout │ │ └── activity_main.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── qindachang │ └── rulerview │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── imgs └── Screenshot_1479577403.png ├── library ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── com │ │ └── davistin │ │ └── widget │ │ └── RulerView.java │ └── res │ └── values │ ├── attrs.xml │ └── strings.xml └── 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 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 20 | 21 | -------------------------------------------------------------------------------- /.idea/jarRepositories.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 9 | 10 | 14 | 15 | 19 | 20 | 24 | 25 | 29 | 30 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 10 | 11 | 33 | 53 | 54 | 55 | 56 | 57 | 58 | 60 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2022 Davis Tsin 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # RulerView 2 | 3 | [![](https://jitpack.io/v/davistsin/RulerView.svg)](https://jitpack.io/#davistsin/RulerView) ![license](https://img.shields.io/github/license/davistsin/RulerView) 4 | 5 | 6 | 截屏 7 | 8 | ## Dependencies 9 | 10 | ``` 11 | allprojects { 12 | repositories { 13 | ... 14 | maven { url 'https://jitpack.io' } 15 | } 16 | } 17 | 18 | dependencies { 19 | implementation 'com.github.davistsin:RulerView:{latest version}' 20 | } 21 | 22 | ``` 23 | 24 | ## XML 25 | 26 | //设置选中的值 45 | 46 | ## Java 47 | 48 | final TextView mTvWeight = (TextView) findViewById(R.id.tv_weight); 49 | RulerView mRulerViewWeight = (RulerView) findViewById(R.id.rulerView_weight); 50 | mRulerViewWeight.setValue(60.0f, 0.0f, 100.0f, 0.1f);//设置选中值、最小值、最大值、单位值 51 | mRulerViewWeight.setOnValueChangeListener(new RulerView.OnValueChangeListener() { 52 | @Override 53 | public void onValueChange(float value) { 54 | mTvWeight.setText(value + "kg"); 55 | } 56 | }); 57 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion rootProject.ext.compileSdkVersion 5 | 6 | compileOptions { 7 | sourceCompatibility JavaVersion.VERSION_1_8 8 | targetCompatibility JavaVersion.VERSION_1_8 9 | } 10 | 11 | defaultConfig { 12 | applicationId "com.davistsin.rulerview" 13 | minSdkVersion rootProject.ext.minSdkVersion 14 | targetSdkVersion rootProject.ext.targetSdkVersion 15 | versionCode 1 16 | versionName "1.0" 17 | } 18 | buildTypes { 19 | release { 20 | minifyEnabled false 21 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 22 | } 23 | } 24 | } 25 | 26 | dependencies { 27 | implementation fileTree(include: ['*.jar'], dir: 'libs') 28 | implementation project(':library') 29 | implementation 'androidx.appcompat:appcompat:1.2.0' 30 | } 31 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\Android\sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/qindachang/rulerview/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.qindachang.rulerview; 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 | * Instrumentation 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("com.qindachang.rulerview", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /app/src/main/java/com/davistsin/rulerview/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.davistsin.rulerview; 2 | 3 | import android.os.Bundle; 4 | import android.widget.TextView; 5 | 6 | import androidx.appcompat.app.AppCompatActivity; 7 | 8 | import com.davistin.widget.RulerView; 9 | import com.qindachang.rulerview.R; 10 | 11 | public class MainActivity extends AppCompatActivity { 12 | 13 | @Override 14 | protected void onCreate(Bundle savedInstanceState) { 15 | super.onCreate(savedInstanceState); 16 | setContentView(R.layout.activity_main); 17 | 18 | final TextView mTvHeight = (TextView) findViewById(R.id.tv_height); 19 | RulerView mRulerViewHeight = (RulerView) findViewById(R.id.rulerView_height); 20 | mRulerViewHeight.setOnValueChangeListener(new RulerView.OnValueChangeListener() { 21 | @Override 22 | public void onValueChange(float value) { 23 | mTvHeight.setText(value + "cm"); 24 | } 25 | }); 26 | 27 | final TextView mTvWeight = (TextView) findViewById(R.id.tv_weight); 28 | RulerView mRulerViewWeight = (RulerView) findViewById(R.id.rulerView_weight); 29 | //mRulerViewWeight.setValue(60.0f, 0.0f, 100.0f, 1.0f); 30 | mRulerViewWeight.setOnValueChangeListener(new RulerView.OnValueChangeListener() { 31 | @Override 32 | public void onValueChange(float value) { 33 | mTvWeight.setText(value + "kg"); 34 | } 35 | }); 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 19 | 20 | 27 | 28 | 47 | 48 | 56 | 57 | 64 | 65 | 81 | 82 | 83 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/davistsin/RulerView/beb7720faabb1a7636c13f87feee60965e8358fb/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/davistsin/RulerView/beb7720faabb1a7636c13f87feee60965e8358fb/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/davistsin/RulerView/beb7720faabb1a7636c13f87feee60965e8358fb/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/davistsin/RulerView/beb7720faabb1a7636c13f87feee60965e8358fb/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/davistsin/RulerView/beb7720faabb1a7636c13f87feee60965e8358fb/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | RulerView 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/com/qindachang/rulerview/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.qindachang.rulerview; 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 | } -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext { 3 | buildToolsVersion = "29.0.2" 4 | minSdkVersion = 18 5 | compileSdkVersion = 29 6 | targetSdkVersion = 29 7 | } 8 | repositories { 9 | google() 10 | mavenCentral() 11 | } 12 | dependencies { 13 | classpath "com.android.tools.build:gradle:4.1.3" 14 | } 15 | } 16 | 17 | allprojects { 18 | repositories { 19 | google() 20 | mavenCentral() 21 | maven { url 'https://jitpack.io' } 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | # AndroidX package structure to make it clearer which packages are bundled with the 15 | # Android operating system, and which are packaged with your app"s APK 16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn 17 | android.useAndroidX=true 18 | # Automatically convert third-party libraries to use AndroidX 19 | android.enableJetifier=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/davistsin/RulerView/beb7720faabb1a7636c13f87feee60965e8358fb/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /imgs/Screenshot_1479577403.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/davistsin/RulerView/beb7720faabb1a7636c13f87feee60965e8358fb/imgs/Screenshot_1479577403.png -------------------------------------------------------------------------------- /library/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /library/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.safeExtGet = {prop, fallback -> 3 | rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback 4 | } 5 | repositories { 6 | google() 7 | mavenCentral() 8 | } 9 | } 10 | 11 | plugins { 12 | id 'com.android.library' 13 | id 'maven-publish' 14 | } 15 | 16 | repositories { 17 | google() 18 | mavenCentral() 19 | maven { url 'https://jitpack.io' } 20 | } 21 | 22 | group = 'com.github.davistsin' 23 | version = '1.0.0' 24 | 25 | 26 | android { 27 | compileSdkVersion safeExtGet('compileSdkVersion', 29) 28 | 29 | defaultConfig { 30 | minSdkVersion safeExtGet('minSdkVersion', 18) 31 | targetSdkVersion safeExtGet('targetSdkVersion', 29) 32 | versionCode 1 33 | versionName "1.0.0" 34 | } 35 | 36 | compileOptions { 37 | sourceCompatibility JavaVersion.VERSION_1_8 38 | targetCompatibility JavaVersion.VERSION_1_8 39 | } 40 | } 41 | 42 | 43 | 44 | dependencies { 45 | implementation fileTree(include: ['*.jar'], dir: 'libs') 46 | implementation 'androidx.annotation:annotation:1.2.0' 47 | } 48 | 49 | afterEvaluate { 50 | publishing { 51 | publications { 52 | release(MavenPublication) { 53 | from components.release 54 | groupId = 'com.github.davistsin' 55 | artifactId = 'RulerView' 56 | version = '1.0.0' 57 | } 58 | } 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /library/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\Android\sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /library/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 5 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /library/src/main/java/com/davistin/widget/RulerView.java: -------------------------------------------------------------------------------- 1 | package com.davistin.widget; 2 | 3 | import android.content.Context; 4 | import android.content.res.TypedArray; 5 | import android.graphics.Canvas; 6 | import android.graphics.Paint; 7 | import android.util.AttributeSet; 8 | import android.view.MotionEvent; 9 | import android.view.VelocityTracker; 10 | import android.view.View; 11 | import android.view.ViewConfiguration; 12 | import android.widget.Scroller; 13 | 14 | import com.davistsin.widget.R; 15 | 16 | public class RulerView extends View { 17 | private int mMinVelocity; 18 | private Scroller mScroller; 19 | private VelocityTracker mVelocityTracker; 20 | private int mWidth; 21 | private int mHeight; 22 | 23 | private float mSelectorValue = 0.0f; 24 | private float mMaxValue = 100.0f; 25 | private float mMinValue = 0.0f; 26 | private float mPerValue = 1; 27 | 28 | private float mLineSpaceWidth = 5; 29 | private float mLineWidth = 1; 30 | private float mLineMaxHeight = 42; 31 | private float mLineMidHeight = 30; 32 | private float mLineMinHeight = 17; 33 | private int mLineColor = 1; 34 | 35 | private float mTextMarginTop = 8; 36 | private float mTextSize = 14; 37 | private int mTextColor = 1; 38 | 39 | private boolean mAlphaEnable = true; 40 | 41 | private float mTextHeight; 42 | 43 | private Paint mTextPaint; 44 | private Paint mLinePaint; 45 | 46 | private int mTotalLine; 47 | private int mMaxOffset; 48 | private float mOffset; 49 | private int mLastX, mMove; 50 | private OnValueChangeListener mListener; 51 | 52 | 53 | public RulerView(Context context) { 54 | this(context, null); 55 | } 56 | 57 | public RulerView(Context context, AttributeSet attrs) { 58 | this(context, attrs, 0); 59 | } 60 | 61 | public RulerView(Context context, AttributeSet attrs, int defStyleAttr) { 62 | super(context, attrs, defStyleAttr); 63 | init(context, attrs); 64 | } 65 | 66 | protected void init(Context context, AttributeSet attrs) { 67 | mScroller = new Scroller(context); 68 | 69 | final TypedArray typedArray = context.obtainStyledAttributes(attrs, 70 | R.styleable.RulerView); 71 | 72 | mAlphaEnable = typedArray.getBoolean(R.styleable.RulerView_alphaEnable, mAlphaEnable); 73 | 74 | mLineSpaceWidth = typedArray.getDimension(R.styleable.RulerView_lineSpaceWidth, dp2px(context, mLineSpaceWidth)); 75 | mLineWidth = typedArray.getDimension(R.styleable.RulerView_lineWidth, dp2px(context, mLineWidth)); 76 | mLineMaxHeight = typedArray.getDimension(R.styleable.RulerView_lineMaxHeight, dp2px(context, mLineMaxHeight)); 77 | mLineMidHeight = typedArray.getDimension(R.styleable.RulerView_lineMidHeight, dp2px(context, mLineMidHeight)); 78 | mLineMinHeight = typedArray.getDimension(R.styleable.RulerView_lineMinHeight, dp2px(context, mLineMinHeight)); 79 | mLineColor = typedArray.getColor(R.styleable.RulerView_lineColor, mLineColor); 80 | 81 | mTextSize = typedArray.getDimension(R.styleable.RulerView_textSize, dp2px(context, mTextSize)); 82 | mTextColor = typedArray.getColor(R.styleable.RulerView_textColor, mTextColor); 83 | mTextMarginTop = typedArray.getDimension(R.styleable.RulerView_textMarginTop, dp2px(context, mTextMarginTop)); 84 | 85 | mSelectorValue = typedArray.getFloat(R.styleable.RulerView_selectorValue, 0.0f); 86 | mMinValue = typedArray.getFloat(R.styleable.RulerView_minValue, 0.0f); 87 | mMaxValue = typedArray.getFloat(R.styleable.RulerView_maxValue, 100.0f); 88 | mPerValue = typedArray.getFloat(R.styleable.RulerView_perValue, 0.1f); 89 | 90 | mMinVelocity = ViewConfiguration.get(getContext()).getScaledMinimumFlingVelocity(); 91 | 92 | mTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 93 | mTextPaint.setTextSize(mTextSize); 94 | mTextPaint.setColor(mTextColor); 95 | mTextHeight = getFontHeight(mTextPaint); 96 | 97 | mLinePaint = new Paint(Paint.ANTI_ALIAS_FLAG); 98 | mLinePaint.setStrokeWidth(mLineWidth); 99 | mLinePaint.setColor(mLineColor); 100 | 101 | setValue(mSelectorValue, mMinValue, mMaxValue, mPerValue); 102 | 103 | typedArray.recycle(); 104 | } 105 | 106 | private int dp2px(Context context, float dpValue) { 107 | final float scale = context.getResources().getDisplayMetrics().density; 108 | return (int) (dpValue * scale + 0.5f); 109 | } 110 | 111 | private float getFontHeight(Paint paint) { 112 | Paint.FontMetrics fm = paint.getFontMetrics(); 113 | return fm.descent - fm.ascent; 114 | } 115 | 116 | public void setTextColor(int color) { 117 | mTextPaint.setColor(color); 118 | invalidate(); 119 | } 120 | 121 | public void setTextSize(float textSize) { 122 | mTextPaint.setTextSize(textSize); 123 | invalidate(); 124 | } 125 | 126 | public void setTextMarginTop(float marginTop) { 127 | mTextMarginTop = marginTop; 128 | invalidate(); 129 | } 130 | 131 | public void setLineColor(int color) { 132 | mLinePaint.setColor(color); 133 | invalidate(); 134 | } 135 | 136 | public void setLineWidth(float width) { 137 | mLineWidth = width; 138 | invalidate(); 139 | } 140 | 141 | public void setLineSpaceWidth(float width) { 142 | mLineSpaceWidth = width; 143 | invalidate(); 144 | } 145 | 146 | public void setLineMinHeight(float height) { 147 | mLineMinHeight = height; 148 | invalidate(); 149 | } 150 | 151 | public void setLineMidHeight(float height) { 152 | mLineMidHeight = height; 153 | invalidate(); 154 | } 155 | 156 | public void setLineMaxHeight(float height) { 157 | mLineMaxHeight = height; 158 | invalidate(); 159 | } 160 | 161 | public void setAlphaEnable(boolean enable) { 162 | mAlphaEnable = enable; 163 | invalidate(); 164 | } 165 | 166 | public void setValue(float selectorValue, float minValue, float maxValue, float per) { 167 | this.mSelectorValue = selectorValue; 168 | this.mMaxValue = maxValue; 169 | this.mMinValue = minValue; 170 | this.mPerValue = (int) (per * 10.0f); 171 | this.mTotalLine = ((int) ((mMaxValue * 10 - mMinValue * 10) / mPerValue)) + 1; 172 | mMaxOffset = (int) (-(mTotalLine - 1) * mLineSpaceWidth); 173 | 174 | mOffset = (mMinValue - mSelectorValue) / mPerValue * mLineSpaceWidth * 10; 175 | invalidate(); 176 | setVisibility(VISIBLE); 177 | } 178 | 179 | public void setOnValueChangeListener(OnValueChangeListener listener) { 180 | mListener = listener; 181 | } 182 | 183 | @Override 184 | protected void onSizeChanged(int w, int h, int oldw, int oldh) { 185 | super.onSizeChanged(w, h, oldw, oldh); 186 | if (w > 0 && h > 0) { 187 | mWidth = w; 188 | mHeight = h; 189 | } 190 | } 191 | 192 | @Override 193 | protected void onDraw(Canvas canvas) { 194 | super.onDraw(canvas); 195 | 196 | float left, height; 197 | String value; 198 | int alpha = 0; 199 | float scale; 200 | int srcPointX = mWidth / 2; 201 | for (int i = 0; i < mTotalLine; i++) { 202 | left = srcPointX + mOffset + i * mLineSpaceWidth; 203 | 204 | if (left < 0 || left > mWidth) { 205 | continue; 206 | } 207 | 208 | if (i % 10 == 0) { 209 | height = mLineMaxHeight; 210 | } else if (i % 5 == 0) { 211 | height = mLineMidHeight; 212 | } else { 213 | height = mLineMinHeight; 214 | } 215 | if (mAlphaEnable) { 216 | scale = 1 - Math.abs(left - srcPointX) / srcPointX; 217 | alpha = (int) (255 * scale * scale); 218 | mLinePaint.setAlpha(alpha); 219 | } 220 | 221 | canvas.drawLine(left, 0, left, height, mLinePaint); 222 | 223 | if (i % 10 == 0) { 224 | value = String.valueOf((int) (mMinValue + i * mPerValue / 10)); 225 | if (mAlphaEnable) { 226 | mTextPaint.setAlpha(alpha); 227 | } 228 | canvas.drawText(value, left - mTextPaint.measureText(value) / 2, 229 | height + mTextMarginTop + mTextHeight, mTextPaint); 230 | } 231 | 232 | } 233 | } 234 | 235 | @Override 236 | public boolean onTouchEvent(MotionEvent event) { 237 | int action = event.getAction(); 238 | int xPosition = (int) event.getX(); 239 | 240 | if (mVelocityTracker == null) { 241 | mVelocityTracker = VelocityTracker.obtain(); 242 | } 243 | mVelocityTracker.addMovement(event); 244 | 245 | switch (action) { 246 | case MotionEvent.ACTION_DOWN: 247 | mScroller.forceFinished(true); 248 | mLastX = xPosition; 249 | mMove = 0; 250 | break; 251 | case MotionEvent.ACTION_MOVE: 252 | mMove = (mLastX - xPosition); 253 | changeMoveAndValue(); 254 | break; 255 | case MotionEvent.ACTION_UP: 256 | case MotionEvent.ACTION_CANCEL: 257 | countMoveEnd(); 258 | countVelocityTracker(); 259 | return false; 260 | default: 261 | break; 262 | } 263 | 264 | mLastX = xPosition; 265 | return true; 266 | } 267 | 268 | private void countVelocityTracker() { 269 | mVelocityTracker.computeCurrentVelocity(1000); 270 | float xVelocity = mVelocityTracker.getXVelocity(); 271 | if (Math.abs(xVelocity) > mMinVelocity) { 272 | mScroller.fling(0, 0, (int) xVelocity, 0, Integer.MIN_VALUE, Integer.MAX_VALUE, 0, 0); 273 | } 274 | } 275 | 276 | private void countMoveEnd() { 277 | mOffset -= mMove; 278 | if (mOffset <= mMaxOffset) { 279 | mOffset = mMaxOffset; 280 | } else if (mOffset >= 0) { 281 | mOffset = 0; 282 | } 283 | 284 | mLastX = 0; 285 | mMove = 0; 286 | 287 | mSelectorValue = mMinValue + Math.round(Math.abs(mOffset) * 1.0f / mLineSpaceWidth) * mPerValue / 10.0f; 288 | mOffset = (mMinValue - mSelectorValue) * 10.0f / mPerValue * mLineSpaceWidth; 289 | notifyValueChange(); 290 | postInvalidate(); 291 | } 292 | 293 | private void changeMoveAndValue() { 294 | mOffset -= mMove; 295 | if (mOffset <= mMaxOffset) { 296 | mOffset = mMaxOffset; 297 | mMove = 0; 298 | mScroller.forceFinished(true); 299 | } else if (mOffset >= 0) { 300 | mOffset = 0; 301 | mMove = 0; 302 | mScroller.forceFinished(true); 303 | } 304 | mSelectorValue = mMinValue + Math.round(Math.abs(mOffset) * 1.0f / mLineSpaceWidth) * mPerValue / 10.0f; 305 | notifyValueChange(); 306 | postInvalidate(); 307 | } 308 | 309 | private void notifyValueChange() { 310 | if (null != mListener) { 311 | mListener.onValueChange(mSelectorValue); 312 | } 313 | } 314 | 315 | public interface OnValueChangeListener { 316 | void onValueChange(float value); 317 | } 318 | 319 | @Override 320 | public void computeScroll() { 321 | super.computeScroll(); 322 | if (mScroller.computeScrollOffset()) { 323 | if (mScroller.getCurrX() == mScroller.getFinalX()) { 324 | countMoveEnd(); 325 | } else { 326 | int xPosition = mScroller.getCurrX(); 327 | mMove = (mLastX - xPosition); 328 | changeMoveAndValue(); 329 | mLastX = xPosition; 330 | } 331 | } 332 | } 333 | } 334 | -------------------------------------------------------------------------------- /library/src/main/res/values/attrs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /library/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | RulerView 3 | 4 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app', ':library' 2 | --------------------------------------------------------------------------------