├── .github └── workflows │ └── publish.yml ├── .gitignore ├── LICENSE.txt ├── README.md ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── images ├── image.png └── image_rtl.png ├── mapscaleview ├── .gitignore ├── build.gradle ├── gradle.properties └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── com │ │ └── github │ │ └── pengrad │ │ └── mapscaleview │ │ ├── Drawer.java │ │ ├── MapScaleModel.java │ │ ├── MapScaleView.java │ │ ├── Scale.java │ │ ├── Scales.java │ │ └── ViewConfig.java │ └── res │ └── values │ └── attrs.xml ├── sample ├── .gitignore ├── build.gradle ├── debug.keystore └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── com │ │ └── github │ │ └── pengrad │ │ └── mapscaleview │ │ └── sample │ │ ├── GenericActivity.kt │ │ ├── GoogleMapsActivity.kt │ │ ├── MainActivity.kt │ │ └── MapboxActivity.kt │ └── res │ ├── layout │ ├── activity_googlemaps.xml │ ├── activity_main.xml │ ├── activity_mapbox.xml │ └── sample_layout.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 │ ├── colors.xml │ ├── strings.xml │ └── styles.xml ├── settings.gradle └── upload-jcenter.gradle /.github/workflows/publish.yml: -------------------------------------------------------------------------------- 1 | name: Publish Bintray 2 | on: 3 | release: 4 | types: [published] 5 | 6 | jobs: 7 | publish: 8 | runs-on: ubuntu-latest 9 | 10 | steps: 11 | - uses: actions/checkout@v1 12 | 13 | - name: Bintray Upload 14 | env: 15 | bintrayUser: ${{ secrets.BINTRAY_USER }} 16 | bintrayApiKey: ${{ secrets.BINTRAY_API_KEY }} 17 | run: ./gradlew bintrayUpload 18 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .classpath 2 | .project 3 | .settings 4 | eclipsebin 5 | 6 | bin 7 | gen 8 | build 9 | out 10 | lib 11 | 12 | .idea 13 | *.iml 14 | classes 15 | 16 | obj 17 | 18 | .DS_Store 19 | 20 | # Gradle 21 | .gradle 22 | jniLibs 23 | build 24 | local.properties 25 | reports -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Map Scale View 2 | [ ![Download](https://api.bintray.com/packages/pengrad/maven/mapscaleview/images/download.svg) ](https://bintray.com/pengrad/maven/mapscaleview/_latestVersion) 3 | [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-MapScaleView-green.svg?style=true)](https://android-arsenal.com/details/1/4541) 4 | 5 | Scale view for any Android Maps SDK (not only Google Maps) 6 | 7 | ![Image](images/image_rtl.png) 8 | 9 | ## Contributing 10 | I encourage you to participate in this project. Feel free to open issues with bugs or ideas, fork and send pull requests. 11 | Check [list of "help wanted" issues](https://github.com/pengrad/MapScaleView/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22) to start with. 12 | 13 | ## Usage 14 | ```groovy 15 | dependencies { 16 | implementation 'com.github.pengrad:mapscaleview:1.6.0' 17 | } 18 | ``` 19 | 20 | Include in layout file over map 21 | ```xml 22 | 28 | 29 | 34 | 35 | 41 | 42 | ``` 43 | 44 | With miles or custom style 45 | ```xml 46 | 59 | ``` 60 | 61 | Update on map changed 62 | ```kotlin 63 | val scaleView: MapScaleView = findViewById(R.id.scaleView) 64 | val cameraPosition = map.cameraPosition 65 | // need to pass zoom and latitude 66 | scaleView.update(cameraPosition.zoom, cameraPosition.target.latitude) 67 | ``` 68 | 69 | Full example with subscribing to map events and updating scale view 70 | ```kotlin 71 | override fun onMapReady(googleMap: GoogleMap) { 72 | map = googleMap 73 | googleMap.setOnCameraMoveListener(this) 74 | googleMap.setOnCameraIdleListener(this) 75 | } 76 | 77 | override fun onCameraMove() { 78 | val cameraPosition = map.cameraPosition 79 | scaleView.update(cameraPosition.zoom, cameraPosition.target.latitude) 80 | } 81 | 82 | override fun onCameraIdle() { 83 | val cameraPosition = map.cameraPosition 84 | scaleView.update(cameraPosition.zoom, cameraPosition.target.latitude) 85 | } 86 | ``` 87 | 88 | Refer to the sample project on how to use scale view with other Android Maps SDK (Mapbox). 89 | 90 | ## Customization 91 | ```java 92 | mapScaleView.setColor(@ColorInt int color) 93 | mapScaleView.setTextSize(float textSize) 94 | mapScaleView.setStrokeWidth(float strokeWidth) 95 | mapScaleView.setTextFont(Typeface font) 96 | 97 | // enable/disable white outline, enabled by default 98 | mapScaleView.setOutlineEnabled(false) 99 | 100 | mapScaleView.metersAndMiles() // default 101 | mapScaleView.metersOnly() 102 | mapScaleView.milesOnly() 103 | 104 | // expand scale bar from right to left, disabled by default 105 | mapScaleView.setExpandRtlEnabled(true) 106 | ``` 107 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | repositories { 3 | google() 4 | jcenter() 5 | } 6 | dependencies { 7 | classpath 'com.android.tools.build:gradle:3.5.3' 8 | classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4' 9 | classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.61" 11 | 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | google() 18 | jcenter() 19 | } 20 | } 21 | 22 | task clean(type: Delete) { 23 | delete rootProject.buildDir 24 | } 25 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | GROUP=com.github.pengrad 2 | VERSION_NAME=1.6.0 3 | 4 | POM_DESCRIPTION=Scale bar for Android Maps 5 | 6 | POM_URL=https://github.com/pengrad/MapScaleView 7 | POM_SCM_URL=https://github.com/pengrad/MapScaleView 8 | POM_SCM_CONNECTION=scm:git:https://github.com/pengrad/MapScaleView.git 9 | POM_SCM_DEV_CONNECTION=scm:git:ssh://git@github.com/pengrad/MapScaleView.git 10 | 11 | POM_LICENCE_NAME=The Apache Software License, Version 2.0 12 | POM_LICENCE_URL=http://www.apache.org/licenses/LICENSE-2.0.txt 13 | POM_LICENCE_DIST=repo 14 | 15 | POM_DEVELOPER_ID=pengrad 16 | POM_DEVELOPER_NAME=Stas Parshin 17 | 18 | BINTRAY_REPO=maven 19 | BINTRAY_LICENSE=Apache-2.0 20 | 21 | IV_TOKEN="4oJ3G7Q8rfatm8uFTzN5uw==" -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pengrad/MapScaleView/426beb961858591289a0f08ef7cdfb9b3a5378d3/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-6.1.1-all.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | # Determine the Java command to use to start the JVM. 86 | if [ -n "$JAVA_HOME" ] ; then 87 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 88 | # IBM's JDK on AIX uses strange locations for the executables 89 | JAVACMD="$JAVA_HOME/jre/sh/java" 90 | else 91 | JAVACMD="$JAVA_HOME/bin/java" 92 | fi 93 | if [ ! -x "$JAVACMD" ] ; then 94 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 95 | 96 | Please set the JAVA_HOME variable in your environment to match the 97 | location of your Java installation." 98 | fi 99 | else 100 | JAVACMD="java" 101 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 102 | 103 | Please set the JAVA_HOME variable in your environment to match the 104 | location of your Java installation." 105 | fi 106 | 107 | # Increase the maximum file descriptors if we can. 108 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 109 | MAX_FD_LIMIT=`ulimit -H -n` 110 | if [ $? -eq 0 ] ; then 111 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 112 | MAX_FD="$MAX_FD_LIMIT" 113 | fi 114 | ulimit -n $MAX_FD 115 | if [ $? -ne 0 ] ; then 116 | warn "Could not set maximum file descriptor limit: $MAX_FD" 117 | fi 118 | else 119 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 120 | fi 121 | fi 122 | 123 | # For Darwin, add options to specify how the application appears in the dock 124 | if $darwin; then 125 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 126 | fi 127 | 128 | # For Cygwin or MSYS, switch paths to Windows format before running java 129 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 130 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 131 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 132 | JAVACMD=`cygpath --unix "$JAVACMD"` 133 | 134 | # We build the pattern for arguments to be converted via cygpath 135 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 136 | SEP="" 137 | for dir in $ROOTDIRSRAW ; do 138 | ROOTDIRS="$ROOTDIRS$SEP$dir" 139 | SEP="|" 140 | done 141 | OURCYGPATTERN="(^($ROOTDIRS))" 142 | # Add a user-defined pattern to the cygpath arguments 143 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 144 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 145 | fi 146 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 147 | i=0 148 | for arg in "$@" ; do 149 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 150 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 151 | 152 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 153 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 154 | else 155 | eval `echo args$i`="\"$arg\"" 156 | fi 157 | i=`expr $i + 1` 158 | done 159 | case $i in 160 | 0) set -- ;; 161 | 1) set -- "$args0" ;; 162 | 2) set -- "$args0" "$args1" ;; 163 | 3) set -- "$args0" "$args1" "$args2" ;; 164 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 165 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 166 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 167 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 168 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 169 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 170 | esac 171 | fi 172 | 173 | # Escape application args 174 | save () { 175 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 176 | echo " " 177 | } 178 | APP_ARGS=`save "$@"` 179 | 180 | # Collect all arguments for the java command, following the shell quoting and substitution rules 181 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 182 | 183 | exec "$JAVACMD" "$@" 184 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 33 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 34 | 35 | @rem Find java.exe 36 | if defined JAVA_HOME goto findJavaFromJavaHome 37 | 38 | set JAVA_EXE=java.exe 39 | %JAVA_EXE% -version >NUL 2>&1 40 | if "%ERRORLEVEL%" == "0" goto init 41 | 42 | echo. 43 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 44 | echo. 45 | echo Please set the JAVA_HOME variable in your environment to match the 46 | echo location of your Java installation. 47 | 48 | goto fail 49 | 50 | :findJavaFromJavaHome 51 | set JAVA_HOME=%JAVA_HOME:"=% 52 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 53 | 54 | if exist "%JAVA_EXE%" goto init 55 | 56 | echo. 57 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 58 | echo. 59 | echo Please set the JAVA_HOME variable in your environment to match the 60 | echo location of your Java installation. 61 | 62 | goto fail 63 | 64 | :init 65 | @rem Get command-line arguments, handling Windows variants 66 | 67 | if not "%OS%" == "Windows_NT" goto win9xME_args 68 | 69 | :win9xME_args 70 | @rem Slurp the command line arguments. 71 | set CMD_LINE_ARGS= 72 | set _SKIP=2 73 | 74 | :win9xME_args_slurp 75 | if "x%~1" == "x" goto execute 76 | 77 | set CMD_LINE_ARGS=%* 78 | 79 | :execute 80 | @rem Setup the command line 81 | 82 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 83 | 84 | @rem Execute Gradle 85 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 86 | 87 | :end 88 | @rem End local scope for the variables with windows NT shell 89 | if "%ERRORLEVEL%"=="0" goto mainEnd 90 | 91 | :fail 92 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 93 | rem the _cmd.exe /c_ return code! 94 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 95 | exit /b 1 96 | 97 | :mainEnd 98 | if "%OS%"=="Windows_NT" endlocal 99 | 100 | :omega 101 | -------------------------------------------------------------------------------- /images/image.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pengrad/MapScaleView/426beb961858591289a0f08ef7cdfb9b3a5378d3/images/image.png -------------------------------------------------------------------------------- /images/image_rtl.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pengrad/MapScaleView/426beb961858591289a0f08ef7cdfb9b3a5378d3/images/image_rtl.png -------------------------------------------------------------------------------- /mapscaleview/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /mapscaleview/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.library' 2 | 3 | android { 4 | compileSdkVersion 28 5 | 6 | defaultConfig { 7 | minSdkVersion 9 8 | } 9 | } 10 | 11 | dependencies { 12 | compileOnly 'androidx.annotation:annotation:1.1.0' 13 | } 14 | 15 | apply from: '../upload-jcenter.gradle' -------------------------------------------------------------------------------- /mapscaleview/gradle.properties: -------------------------------------------------------------------------------- 1 | POM_NAME=Map Scale View 2 | POM_ARTIFACT_ID=mapscaleview 3 | POM_PACKAGING=aar -------------------------------------------------------------------------------- /mapscaleview/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /mapscaleview/src/main/java/com/github/pengrad/mapscaleview/Drawer.java: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview; 2 | 3 | import android.graphics.Canvas; 4 | import android.graphics.Paint; 5 | import android.graphics.Path; 6 | import android.graphics.Rect; 7 | import android.graphics.Typeface; 8 | 9 | public class Drawer { 10 | 11 | private final Paint textPaint = new Paint(); 12 | private final Paint strokePaint = new Paint(); 13 | private final Path strokePath = new Path(); 14 | 15 | private final Paint outlinePaint = new Paint(); 16 | private final Path outlineDiffPath = new Path(); 17 | private float outlineStrokeWidth = 2; // strokeWidth * 2 18 | private float outlineStrokeDiff = outlineStrokeWidth / 2 / 2; // strokeWidth / 2 19 | private float outlineTextStrokeWidth = 3; // density * 2 20 | private boolean outlineEnabled = true; 21 | 22 | private float textHeight; 23 | private float horizontalLineY; 24 | 25 | private boolean expandRtlEnabled; 26 | private int viewWidth; 27 | 28 | private Scales scales = new Scales(null, null); 29 | 30 | Drawer(int color, float textSize, float strokeWidth, float density, boolean outlineEnabled, boolean expandRtlEnabled) { 31 | textPaint.setAntiAlias(true); 32 | textPaint.setColor(color); 33 | textPaint.setStyle(Paint.Style.FILL); 34 | textPaint.setTextSize(textSize); 35 | 36 | strokePaint.setAntiAlias(true); 37 | strokePaint.setColor(color); 38 | strokePaint.setStyle(Paint.Style.STROKE); 39 | strokePaint.setStrokeWidth(strokeWidth); 40 | 41 | outlinePaint.set(strokePaint); 42 | outlinePaint.setARGB(255, 255, 255, 255); 43 | outlineStrokeWidth = strokeWidth * 2; 44 | outlineStrokeDiff = strokeWidth / 2; 45 | outlineTextStrokeWidth = density * 2; 46 | this.outlineEnabled = outlineEnabled; 47 | this.expandRtlEnabled = expandRtlEnabled; 48 | 49 | update(); 50 | } 51 | 52 | private void update() { 53 | outlinePaint.setTextSize(textPaint.getTextSize()); 54 | outlinePaint.setTypeface(textPaint.getTypeface()); 55 | outlinePaint.setStrokeWidth(outlineTextStrokeWidth); 56 | 57 | Rect textRect = new Rect(); 58 | Paint highestPaint = outlineEnabled ? outlinePaint : textPaint; 59 | String possibleText = "1234567890kmift"; 60 | highestPaint.getTextBounds(possibleText, 0, possibleText.length(), textRect); 61 | textHeight = textRect.height(); 62 | 63 | horizontalLineY = textHeight + textHeight / 2; 64 | } 65 | 66 | int getWidth() { 67 | return (int) (scales.maxLength() + strokePaint.getStrokeWidth()); 68 | } 69 | 70 | int getHeight() { 71 | if (scales.bottom() != null) { 72 | return (int) (textHeight * 3 + outlineTextStrokeWidth / 2); 73 | } else { 74 | return (int) (horizontalLineY + strokePaint.getStrokeWidth()); 75 | } 76 | } 77 | 78 | void setScales(Scales scales) { 79 | this.scales = scales; 80 | } 81 | 82 | void setColor(int color) { 83 | textPaint.setColor(color); 84 | strokePaint.setColor(color); 85 | } 86 | 87 | void setTextSize(float textSize) { 88 | textPaint.setTextSize(textSize); 89 | update(); 90 | } 91 | 92 | void setTextFont(Typeface font) { 93 | textPaint.setTypeface(font); 94 | update(); 95 | } 96 | 97 | void setStrokeWidth(float strokeWidth) { 98 | strokePaint.setStrokeWidth(strokeWidth); 99 | outlineStrokeWidth = strokeWidth * 2; 100 | outlineStrokeDiff = strokeWidth / 2; 101 | update(); 102 | } 103 | 104 | void setOutlineEnabled(boolean enabled) { 105 | outlineEnabled = enabled; 106 | update(); 107 | } 108 | 109 | void setExpandRtlEnabled(boolean enabled) { 110 | expandRtlEnabled = enabled; 111 | } 112 | 113 | void setViewWidth(int width) { 114 | viewWidth = width; 115 | } 116 | 117 | void draw(Canvas canvas) { 118 | Scale top = scales.top(); 119 | if (top == null) { 120 | return; 121 | } 122 | if (expandRtlEnabled && viewWidth == 0) { 123 | expandRtlEnabled = false; 124 | } 125 | 126 | if (expandRtlEnabled) { 127 | outlinePaint.setTextAlign(Paint.Align.RIGHT); 128 | textPaint.setTextAlign(Paint.Align.RIGHT); 129 | } else { 130 | outlinePaint.setTextAlign(Paint.Align.LEFT); 131 | textPaint.setTextAlign(Paint.Align.LEFT); 132 | } 133 | 134 | if (outlineEnabled) { 135 | outlinePaint.setStrokeWidth(outlineTextStrokeWidth); 136 | canvas.drawText(top.text(), expandRtlEnabled ? viewWidth : 0, textHeight, outlinePaint); 137 | } 138 | canvas.drawText(top.text(), expandRtlEnabled ? viewWidth : 0, textHeight, textPaint); 139 | 140 | strokePath.rewind(); 141 | strokePath.moveTo(expandRtlEnabled ? (viewWidth - outlineStrokeDiff) : outlineStrokeDiff, horizontalLineY); 142 | strokePath.lineTo(expandRtlEnabled ? (viewWidth - top.length()) : top.length(), horizontalLineY); 143 | if (outlineEnabled) { 144 | strokePath.lineTo(expandRtlEnabled ? (viewWidth - top.length()) : top.length(), textHeight + outlineStrokeDiff); 145 | } else { 146 | strokePath.lineTo(expandRtlEnabled ? (viewWidth - top.length()) : top.length(), textHeight); 147 | } 148 | 149 | Scale bottom = scales.bottom(); 150 | if (bottom != null) { 151 | 152 | if (bottom.length() > top.length()) { 153 | strokePath.moveTo(expandRtlEnabled ? (viewWidth - top.length()) : top.length(), horizontalLineY); 154 | strokePath.lineTo(expandRtlEnabled ? (viewWidth - bottom.length()) : bottom.length(), horizontalLineY); 155 | } else { 156 | strokePath.moveTo(expandRtlEnabled ? (viewWidth - bottom.length()) : bottom.length(), horizontalLineY); 157 | } 158 | 159 | strokePath.lineTo(expandRtlEnabled ? (viewWidth - bottom.length()) : bottom.length(), textHeight * 2); 160 | 161 | float bottomTextY = horizontalLineY + textHeight + textHeight / 2; 162 | if (outlineEnabled) { 163 | canvas.drawText(bottom.text(), expandRtlEnabled ? viewWidth : 0, bottomTextY, outlinePaint); 164 | } 165 | canvas.drawText(bottom.text(), expandRtlEnabled ? viewWidth : 0, bottomTextY, textPaint); 166 | } 167 | 168 | if (outlineEnabled) { 169 | outlinePaint.setStrokeWidth(outlineStrokeWidth); 170 | outlineDiffPath.rewind(); 171 | outlineDiffPath.moveTo(expandRtlEnabled ? viewWidth : 0, horizontalLineY); 172 | outlineDiffPath.lineTo(expandRtlEnabled ? (viewWidth - outlineStrokeDiff) : outlineStrokeDiff, horizontalLineY); 173 | outlineDiffPath.moveTo(expandRtlEnabled ? (viewWidth - top.length()) : top.length(), textHeight + outlineStrokeDiff); 174 | outlineDiffPath.lineTo(expandRtlEnabled ? (viewWidth - top.length()) : top.length(), textHeight); 175 | if (bottom != null) { 176 | outlineDiffPath.moveTo(expandRtlEnabled ? (viewWidth - bottom.length()) : bottom.length(), textHeight * 2); 177 | outlineDiffPath.lineTo(expandRtlEnabled ? (viewWidth - bottom.length()) : bottom.length(), textHeight * 2 + outlineStrokeDiff); 178 | } 179 | 180 | canvas.drawPath(outlineDiffPath, outlinePaint); 181 | canvas.drawPath(strokePath, outlinePaint); 182 | } 183 | 184 | canvas.drawPath(strokePath, strokePaint); 185 | } 186 | } 187 | -------------------------------------------------------------------------------- /mapscaleview/src/main/java/com/github/pengrad/mapscaleview/MapScaleModel.java: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview; 2 | 3 | class MapScaleModel { 4 | 5 | private static final double EQUATOR_LENGTH_METERS = 40075016.686; 6 | private static final double EQUATOR_LENGTH_FEET = 131479713.537; 7 | 8 | private static final int FT_IN_MILE = 5280; 9 | 10 | private static final float[] METERS = {0.2f, 0.5f, 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 11 | 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000}; 12 | 13 | private static final float[] FT = {1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 14 | FT_IN_MILE, 2 * FT_IN_MILE, 5 * FT_IN_MILE, 10 * FT_IN_MILE, 20 * FT_IN_MILE, 50 * FT_IN_MILE, 15 | 100 * FT_IN_MILE, 200 * FT_IN_MILE, 500 * FT_IN_MILE, 1000 * FT_IN_MILE, 2000 * FT_IN_MILE}; 16 | 17 | private final float density; 18 | private int maxWidth; 19 | 20 | private float lastZoom = -1; 21 | private double lastLatitude = -100; 22 | 23 | private double tileSizeMetersAt0Zoom = EQUATOR_LENGTH_METERS / 256; 24 | private double tileSizeFeetAt0Zoom = EQUATOR_LENGTH_FEET / 256; 25 | 26 | MapScaleModel(float density) { 27 | this.density = density; 28 | } 29 | 30 | // returns true if width changed 31 | boolean updateMaxWidth(int width) { 32 | if (maxWidth != width) { 33 | maxWidth = width; 34 | return true; 35 | } else return false; 36 | } 37 | 38 | void setTileSize(int tileSize) { 39 | tileSizeMetersAt0Zoom = EQUATOR_LENGTH_METERS / tileSize; 40 | tileSizeFeetAt0Zoom = EQUATOR_LENGTH_FEET / tileSize; 41 | } 42 | 43 | void setPosition(float zoom, double latitude) { 44 | lastZoom = zoom; 45 | lastLatitude = latitude; 46 | } 47 | 48 | /** 49 | * See http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames#Resolution_and_Scale 50 | */ 51 | Scale update(boolean meters) { 52 | float zoom = lastZoom; 53 | double latitude = lastLatitude; 54 | if (zoom < 0 || Math.abs(latitude) > 90) return null; 55 | 56 | double tileSizeAtZoom0 = meters ? tileSizeMetersAt0Zoom : tileSizeFeetAt0Zoom; 57 | float[] distances = meters ? METERS : FT; 58 | 59 | final double resolution = tileSizeAtZoom0 / density * Math.cos(latitude * Math.PI / 180) / Math.pow(2, zoom); 60 | 61 | float distance = 0; 62 | int distanceIndex = distances.length; 63 | double screenDistance = maxWidth + 1; 64 | 65 | while (screenDistance > maxWidth && distanceIndex > 0) { 66 | distance = distances[--distanceIndex]; 67 | screenDistance = Math.abs(distance / resolution); 68 | } 69 | 70 | lastZoom = zoom; 71 | lastLatitude = latitude; 72 | return new Scale(text(distance, meters), (float) screenDistance); 73 | } 74 | 75 | private String text(float distance, boolean meters) { 76 | if (meters) { 77 | if (distance < 1) return (int) (distance * 100) + " cm"; 78 | if (distance < 1000) return (int) distance + " m"; 79 | else return (int) distance / 1000 + " km"; 80 | } else { 81 | if (distance < FT_IN_MILE) return (int) distance + " ft"; 82 | else return (int) distance / FT_IN_MILE + " mi"; 83 | } 84 | } 85 | } 86 | -------------------------------------------------------------------------------- /mapscaleview/src/main/java/com/github/pengrad/mapscaleview/MapScaleView.java: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview; 2 | 3 | import android.content.Context; 4 | import android.graphics.Canvas; 5 | import android.graphics.Typeface; 6 | import android.util.AttributeSet; 7 | import android.view.View; 8 | 9 | import androidx.annotation.ColorInt; 10 | 11 | public class MapScaleView extends View { 12 | 13 | private final MapScaleModel mapScaleModel; 14 | private final Drawer drawer; 15 | 16 | private final int maxWidth; 17 | 18 | private ScaleType scaleType = ScaleType.BOTH; 19 | 20 | private enum ScaleType { 21 | METERS_ONLY, MILES_ONLY, BOTH 22 | } 23 | 24 | public MapScaleView(Context context) { 25 | this(context, null); 26 | } 27 | 28 | public MapScaleView(Context context, AttributeSet attrs) { 29 | this(context, attrs, 0); 30 | } 31 | 32 | public MapScaleView(Context context, AttributeSet attrs, int defStyleAttr) { 33 | super(context, attrs, defStyleAttr); 34 | 35 | float density = getResources().getDisplayMetrics().density; 36 | mapScaleModel = new MapScaleModel(density); 37 | 38 | ViewConfig viewConfig = new ViewConfig(context, attrs); 39 | drawer = new Drawer(viewConfig.color, viewConfig.textSize, viewConfig.strokeWidth, density, viewConfig.outline, viewConfig.expandRtl); 40 | 41 | maxWidth = viewConfig.maxWidth; 42 | 43 | if (viewConfig.isMiles) { 44 | scaleType = ScaleType.MILES_ONLY; 45 | } 46 | } 47 | 48 | public void setTileSize(int tileSize) { 49 | mapScaleModel.setTileSize(tileSize); 50 | updateScales(); 51 | } 52 | 53 | public void setColor(@ColorInt int color) { 54 | drawer.setColor(color); 55 | invalidate(); 56 | } 57 | 58 | public void setTextSize(float textSize) { 59 | drawer.setTextSize(textSize); 60 | invalidate(); 61 | requestLayout(); 62 | } 63 | 64 | public void setTextFont(Typeface font) { 65 | drawer.setTextFont(font); 66 | invalidate(); 67 | requestLayout(); 68 | } 69 | 70 | public void setStrokeWidth(float strokeWidth) { 71 | drawer.setStrokeWidth(strokeWidth); 72 | invalidate(); 73 | requestLayout(); 74 | } 75 | 76 | public void setOutlineEnabled(boolean enabled) { 77 | drawer.setOutlineEnabled(enabled); 78 | invalidate(); 79 | } 80 | 81 | public void setExpandRtlEnabled(boolean enabled) { 82 | drawer.setExpandRtlEnabled(enabled); 83 | invalidate(); 84 | } 85 | 86 | /** 87 | * @deprecated Use milesOnly() 88 | */ 89 | @Deprecated 90 | public void setIsMiles(boolean miles) { 91 | if (miles) milesOnly(); 92 | else metersAndMiles(); 93 | } 94 | 95 | public void metersOnly() { 96 | scaleType = ScaleType.METERS_ONLY; 97 | updateScales(); 98 | } 99 | 100 | public void milesOnly() { 101 | scaleType = ScaleType.MILES_ONLY; 102 | updateScales(); 103 | } 104 | 105 | public void metersAndMiles() { 106 | scaleType = ScaleType.BOTH; 107 | updateScales(); 108 | } 109 | 110 | public void update(float zoom, double latitude) { 111 | mapScaleModel.setPosition(zoom, latitude); 112 | updateScales(); 113 | } 114 | 115 | private void updateScales() { 116 | Scale top, bottom = null; 117 | 118 | if (scaleType == ScaleType.MILES_ONLY) { 119 | top = mapScaleModel.update(false); 120 | } else { 121 | top = mapScaleModel.update(true); 122 | if (scaleType == ScaleType.BOTH) { 123 | bottom = mapScaleModel.update(false); 124 | } 125 | } 126 | 127 | drawer.setScales(new Scales(top, bottom)); 128 | invalidate(); 129 | requestLayout(); 130 | } 131 | 132 | @Override 133 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 134 | int width = measureDimension(desiredWidth(), widthMeasureSpec); 135 | int height = measureDimension(desiredHeight(), heightMeasureSpec); 136 | 137 | if (mapScaleModel.updateMaxWidth(width)) { 138 | updateScales(); 139 | } 140 | 141 | if (MeasureSpec.getMode(widthMeasureSpec) != MeasureSpec.EXACTLY) { 142 | width = drawer.getWidth(); 143 | } 144 | 145 | drawer.setViewWidth(width); 146 | setMeasuredDimension(width, height); 147 | } 148 | 149 | private int desiredWidth() { 150 | return maxWidth; 151 | } 152 | 153 | private int desiredHeight() { 154 | return drawer.getHeight(); 155 | } 156 | 157 | private int measureDimension(int desiredSize, int measureSpec) { 158 | int mode = View.MeasureSpec.getMode(measureSpec); 159 | int size = View.MeasureSpec.getSize(measureSpec); 160 | 161 | if (mode == View.MeasureSpec.EXACTLY) { 162 | return size; 163 | } else if (mode == View.MeasureSpec.AT_MOST) { 164 | return Math.min(desiredSize, size); 165 | } else { 166 | return desiredSize; 167 | } 168 | } 169 | 170 | @Override 171 | public void onDraw(Canvas canvas) { 172 | drawer.draw(canvas); 173 | } 174 | } 175 | -------------------------------------------------------------------------------- /mapscaleview/src/main/java/com/github/pengrad/mapscaleview/Scale.java: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview; 2 | 3 | class Scale { 4 | 5 | private final String text; 6 | private final float length; 7 | 8 | Scale(String text, float length) { 9 | this.text = text; 10 | this.length = length; 11 | } 12 | 13 | public String text() { 14 | return text; 15 | } 16 | 17 | public float length() { 18 | return length; 19 | } 20 | } -------------------------------------------------------------------------------- /mapscaleview/src/main/java/com/github/pengrad/mapscaleview/Scales.java: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview; 2 | 3 | import androidx.annotation.Nullable; 4 | 5 | class Scales { 6 | private final Scale top, bottom; 7 | 8 | Scales(Scale top, Scale bottom) { 9 | this.top = top; 10 | this.bottom = bottom; 11 | } 12 | 13 | @Nullable 14 | Scale top() { 15 | return top; 16 | } 17 | 18 | @Nullable 19 | Scale bottom() { 20 | return bottom; 21 | } 22 | 23 | float maxLength() { 24 | return Math.max(top != null ? top.length() : 0, bottom != null ? bottom.length() : 0); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /mapscaleview/src/main/java/com/github/pengrad/mapscaleview/ViewConfig.java: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview; 2 | 3 | import android.content.Context; 4 | import android.content.res.TypedArray; 5 | import android.graphics.Color; 6 | import android.util.AttributeSet; 7 | 8 | class ViewConfig { 9 | 10 | final int maxWidth; 11 | final int color; 12 | final float textSize; 13 | final float strokeWidth; 14 | final boolean isMiles; 15 | final boolean outline; 16 | final boolean expandRtl; 17 | 18 | ViewConfig(Context context, AttributeSet attrs) { 19 | // float fontScale = context.getResources().getDisplayMetrics().scaledDensity; 20 | float density = context.getResources().getDisplayMetrics().density; 21 | 22 | TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.MapScaleView, 0, 0); 23 | try { 24 | maxWidth = a.getDimensionPixelSize(R.styleable.MapScaleView_scale_maxWidth, (int) (100 * density)); 25 | color = a.getColor(R.styleable.MapScaleView_scale_color, Color.parseColor("#333333")); 26 | textSize = a.getDimension(R.styleable.MapScaleView_scale_textSize, 12 * density); 27 | strokeWidth = a.getDimension(R.styleable.MapScaleView_scale_strokeWidth, 1.5f * density); 28 | isMiles = a.getBoolean(R.styleable.MapScaleView_scale_miles, false); 29 | outline = a.getBoolean(R.styleable.MapScaleView_scale_outline, true); 30 | expandRtl = a.getBoolean(R.styleable.MapScaleView_scale_expandRtl, false); 31 | } finally { 32 | a.recycle(); 33 | } 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /mapscaleview/src/main/res/values/attrs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /sample/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /sample/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | apply plugin: 'kotlin-android' 3 | 4 | android { 5 | compileSdkVersion 29 6 | defaultConfig { 7 | minSdkVersion 14 8 | targetSdkVersion 29 9 | versionCode 1 10 | versionName "1.0" 11 | } 12 | signingConfigs { 13 | debug { storeFile file("debug.keystore") } 14 | } 15 | buildTypes { 16 | debug { 17 | signingConfig signingConfigs.debug 18 | buildConfigField 'String', "iv", IV_TOKEN 19 | } 20 | } 21 | } 22 | 23 | dependencies { 24 | implementation project(':mapscaleview') 25 | implementation 'androidx.appcompat:appcompat:1.1.0' 26 | implementation 'com.google.android.gms:play-services-maps:17.0.0' 27 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8" 28 | implementation "androidx.constraintlayout:constraintlayout:2.0.0-rc1" 29 | implementation 'com.mapbox.mapboxsdk:mapbox-android-sdk:9.2.1' 30 | } 31 | -------------------------------------------------------------------------------- /sample/debug.keystore: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pengrad/MapScaleView/426beb961858591289a0f08ef7cdfb9b3a5378d3/sample/debug.keystore -------------------------------------------------------------------------------- /sample/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /sample/src/main/java/com/github/pengrad/mapscaleview/sample/GenericActivity.kt: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview.sample 2 | 3 | import android.graphics.Color 4 | import android.graphics.Typeface 5 | import android.view.View 6 | import androidx.appcompat.app.AppCompatActivity 7 | import com.github.pengrad.mapscaleview.MapScaleView 8 | import com.mapbox.mapboxsdk.camera.CameraPosition 9 | import kotlin.random.Random 10 | 11 | open class GenericActivity : AppCompatActivity() { 12 | private val scales by lazy { 13 | listOf( 14 | findViewById(R.id.scaleView), 15 | findViewById(R.id.scaleViewMiles), 16 | findViewById(R.id.scaleViewRtl), 17 | findViewById(R.id.scaleViewBg), 18 | findViewById(R.id.scaleViewBgFixed) 19 | ) 20 | } 21 | private val scaleView get() = scales[0] 22 | private val density by lazy { resources.displayMetrics.density } 23 | fun update(cameraPosition: CameraPosition) { 24 | for (scale in scales) { 25 | scale.update(cameraPosition.zoom.toFloat(), cameraPosition.target.latitude) 26 | } 27 | } 28 | 29 | fun update(cameraPosition: com.google.android.gms.maps.model.CameraPosition) { 30 | for (scale in scales) { 31 | scale.update(cameraPosition.zoom, cameraPosition.target.latitude) 32 | } 33 | } 34 | 35 | fun changeColor(view: View) { 36 | val getColor = { Color.rgb(Random.nextInt(255), Random.nextInt(255), Random.nextInt(255)) } 37 | scales.forEach { it.setColor(getColor()) } 38 | } 39 | 40 | fun changeTextSize(view: View) { 41 | scales.forEach { it.setTextSize((Random.nextInt(10) + 12) * density) } 42 | } 43 | 44 | fun changeStrokeWidth(view: View) { 45 | scales.forEach { it.setStrokeWidth((Random.nextInt(3) + 0.5f) * density) } 46 | } 47 | 48 | fun changeMiles(view: View) { 49 | scaleView.milesOnly() 50 | } 51 | 52 | private var isMeters = false 53 | fun changeMeters(view: View) { 54 | isMeters = !isMeters 55 | if (isMeters) scales.forEach { it.metersOnly() } 56 | else scales.forEach { it.metersAndMiles() } 57 | } 58 | 59 | fun changeSize(view: View) { 60 | scaleView.layoutParams.width = Random.nextInt(200) + 200 61 | scaleView.requestLayout() 62 | } 63 | 64 | private var isDefaultFont = true 65 | fun changeFont(view: View) { 66 | isDefaultFont = if (isDefaultFont) { 67 | scales.forEach { it.setTextFont(Typeface.DEFAULT) } 68 | false 69 | } else { 70 | scales.forEach { it.setTextFont(Typeface.DEFAULT_BOLD) } 71 | true 72 | } 73 | } 74 | 75 | private var outline = true 76 | fun changeOutline(view: View) { 77 | outline = !outline 78 | scales.forEach { it.setOutlineEnabled(outline) } 79 | } 80 | 81 | private var direction = false 82 | fun changeDirection(view: View) { 83 | direction = !direction 84 | scales.forEach { it.setExpandRtlEnabled(direction) } 85 | } 86 | 87 | private var largeTiles: Boolean = false 88 | fun changeTileSize(view: View) { 89 | largeTiles = !largeTiles 90 | scales.forEach { it.setTileSize(if (largeTiles) 512 else 256) } 91 | } 92 | } -------------------------------------------------------------------------------- /sample/src/main/java/com/github/pengrad/mapscaleview/sample/GoogleMapsActivity.kt: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview.sample 2 | 3 | import android.os.Bundle 4 | import com.google.android.gms.maps.CameraUpdateFactory 5 | import com.google.android.gms.maps.GoogleMap 6 | import com.google.android.gms.maps.GoogleMap.OnCameraIdleListener 7 | import com.google.android.gms.maps.GoogleMap.OnCameraMoveListener 8 | import com.google.android.gms.maps.OnMapReadyCallback 9 | import com.google.android.gms.maps.SupportMapFragment 10 | import com.google.android.gms.maps.model.LatLng 11 | 12 | class GoogleMapsActivity : GenericActivity(), OnMapReadyCallback, OnCameraMoveListener, OnCameraIdleListener { 13 | 14 | private lateinit var map: GoogleMap 15 | 16 | override fun onCreate(savedInstanceState: Bundle?) { 17 | super.onCreate(savedInstanceState) 18 | setContentView(R.layout.activity_googlemaps) 19 | val mapFragment = supportFragmentManager.findFragmentById(R.id.mapFragment) as SupportMapFragment 20 | mapFragment.getMapAsync(this) 21 | } 22 | 23 | override fun onMapReady(googleMap: GoogleMap) { 24 | map = googleMap 25 | googleMap.setOnCameraMoveListener(this) 26 | googleMap.setOnCameraIdleListener(this) 27 | googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(LatLng(37.07770360532252, -94.76820822805165), 12f)) 28 | } 29 | 30 | override fun onCameraMove() { 31 | update(map.cameraPosition) 32 | } 33 | 34 | override fun onCameraIdle() { 35 | update(map.cameraPosition) 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /sample/src/main/java/com/github/pengrad/mapscaleview/sample/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.github.pengrad.mapscaleview.sample 2 | 3 | import android.content.Intent 4 | import android.os.Bundle 5 | import android.widget.Button 6 | import androidx.appcompat.app.AppCompatActivity 7 | 8 | class MainActivity : AppCompatActivity() { 9 | override fun onCreate(savedInstanceState: Bundle?) { 10 | super.onCreate(savedInstanceState) 11 | setContentView(R.layout.activity_main) 12 | setOnClickListeners() 13 | } 14 | 15 | private fun setOnClickListeners() { 16 | findViewById