Repository: MarcinMoskala/ArcSeekBar Branch: master Commit: dadfed912ebb Files: 36 Total size: 48.3 KB Directory structure: gitextract_x6q3t80e/ ├── .gitignore ├── LICENSE ├── README.md ├── app/ │ ├── .gitignore │ ├── build.gradle │ ├── proguard-rules.pro │ └── src/ │ ├── androidTest/ │ │ └── java/ │ │ └── com/ │ │ └── marcinmoskala/ │ │ └── arcseekbar/ │ │ └── ExampleInstrumentedTest.kt │ ├── main/ │ │ ├── AndroidManifest.xml │ │ ├── java/ │ │ │ └── com/ │ │ │ └── marcinmoskala/ │ │ │ └── arcseekbar/ │ │ │ └── sample/ │ │ │ └── MainActivity.java │ │ └── res/ │ │ ├── drawable/ │ │ │ ├── ic_launcher_background.xml │ │ │ └── thumb2.xml │ │ ├── layout/ │ │ │ └── activity_main.xml │ │ ├── mipmap-anydpi-v26/ │ │ │ ├── ic_launcher.xml │ │ │ └── ic_launcher_round.xml │ │ └── values/ │ │ ├── arrays.xml │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test/ │ └── java/ │ └── com/ │ └── marcinmoskala/ │ └── arcseekbar/ │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle/ │ └── wrapper/ │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradle.properties ├── gradlew ├── gradlew.bat ├── lib/ │ ├── .gitignore │ ├── build.gradle │ ├── proguard-rules.pro │ └── src/ │ └── main/ │ ├── AndroidManifest.xml │ ├── java/ │ │ └── com/ │ │ └── marcinmoskala/ │ │ └── arcseekbar/ │ │ ├── ArcSeekBar.kt │ │ ├── ArcSeekBarData.kt │ │ ├── ProgressListener.java │ │ └── Util.kt │ └── res/ │ ├── drawable/ │ │ └── thumb.xml │ └── values/ │ └── attrs.xml └── settings.gradle ================================================ FILE CONTENTS ================================================ ================================================ FILE: .gitignore ================================================ *.iml .gradle /local.properties /.idea/workspace.xml /.idea/libraries .DS_Store /build /captures .externalNativeBuild ================================================ FILE: LICENSE ================================================ Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives. Copyright {yyyy} {name of copyright owner} Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ================================================ FILE: README.md ================================================ # ArcSeekBar Library was created to make good looking curved SeekBars. [![](https://jitpack.io/v/marcinmoskala/ArcSeekBar.svg)](https://jitpack.io/#marcinmoskala/ArcSeekBar) [![Analytics](https://ga-beacon.appspot.com/UA-92159206-9/main-page?pixel)](https://github.com/MarcinMoskala/ArcSeekBar) [![Analytics](https://ga-beacon.appspot.com/UA-92159206-7/main-page?pixel)](https://github.com/MarcinMoskala/ArcSeekBar) To stay up-to-date with news about library [![Twitter URL](https://img.shields.io/twitter/url/https/twitter.com/fold_left.svg?style=social&label=Follow%20%40marcinmoskala)](https://twitter.com/marcinmoskala?ref_src=twsrc%5Etfw) ## Usage Library can be used to make good-looking curved SeekBar: ![Gif example](art/flow.gif) Here are some usage examples: ![Img1](art/3.png) ```xml ``` ![Img1](art/2.png) ```xml ``` [Here](https://github.com/MarcinMoskala/ArcSeekBar/blob/master/app/src/main/res/drawable/thumb2.xml) is progress drawable `thumb2` definition. ![Img1](art/1.png) ```xml ``` To make gradient, you need to define it in code: ```java int[] intArray = getResources().getIntArray(R.array.progressGradientColors); arcSeekBar.setProgressGradient(intArray); ``` [Here](https://github.com/MarcinMoskala/ArcSeekBar/blob/master/app/src/main/res/values/colors.xml) you can find array definition. ## Customization ArcSeekBar properties are: * `thumb` - reference to thumb drawable. * `progress` - initial value of progress (0 by default). * `maxProgress` max vale of progress (100 by default). * `progressColor` color of visible progress bar. * `progressWidth` width of visible progress bar. * `progressBackgroundColor` color of bar behind progress. * `progressBackgroundWidth` width of bar behind progress. * `roundEdges` if edges should be rounded or not (`true` by default). * `enabled` is progress enabled or not (`true` by default). For disabled there is no thumb displayed. Each property can be changes pragmatically, and additionally gradient progress or background can be set by: * `setProgressGradient` e.g. `arcSeekBar.setProgressGradient(Color.GREEN, Color.BLUE, Color.YELLOW);` * `setProgressBackgroundGradient` e.g. `arcSeekBar.setProgressBackgroundGradient(Color.GREEN, Color.BLUE, Color.YELLOW);` ## Installation Just add following dependency in your module `build.gradle`: ```groovy dependencies { compile 'com.github.marcinmoskala:ArcSeekBar:0.31' } ``` Also add on your module `build.gradle` (unless you already have it): ```groovy repositories { maven { url 'https://jitpack.io' } } ``` ## Other libraries If you like it, remember to leave the star and check out my other libraries: * [VideoPlayView](https://github.com/MarcinMoskala/VideoPlayView) - Custom Android view with video player, loader and placeholder image * [ActivityStarter](https://github.com/MarcinMoskala/ActivityStarter/blob/master/README.md) - Simple Android Library, that provides easy way to start and save state of Activities, Fragments, Services and Receivers with arguments. * [PreferenceHolder](https://github.com/MarcinMoskala/PreferenceHolder) - Library for simple SharedPreference management in Kotlin * [KotlinAndroidViewBindings](https://github.com/MarcinMoskala/KotlinAndroidViewBindings) - Bindings for properties with simple Kotlin types (Boolean, String) to layout traits (visibility, text). License ------- Copyright 2017 Marcin Moskała Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ================================================ FILE: app/.gitignore ================================================ /build ================================================ FILE: app/build.gradle ================================================ apply plugin: 'com.android.application' android { compileSdkVersion rootProject.ext.compileSdkVersion buildToolsVersion rootProject.ext.buildToolsVersion defaultConfig { applicationId "com.marcinmoskala.arcseekbar.sample" minSdkVersion 16 targetSdkVersion 26 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } } dependencies { compile fileTree(include: ['*.jar'], dir: 'libs') compile project(':lib') compile 'com.android.support:appcompat-v7:26.1.0' } repositories { maven { url 'https://jitpack.io' } } ================================================ FILE: app/proguard-rules.pro ================================================ # Add project specific ProGuard rules here. # By default, the flags in this file are appended to flags specified # in /home/marcin/Android/Sdk/tools/proguard/proguard-android.txt # You can edit the include path and order by changing the proguardFiles # directive in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} # Uncomment this to preserve the line number information for # debugging stack traces. #-keepattributes SourceFile,LineNumberTable # If you keep the line number information, uncomment this to # hide the original source file name. #-renamesourcefileattribute SourceFile ================================================ FILE: app/src/androidTest/java/com/marcinmoskala/arcseekbar/ExampleInstrumentedTest.kt ================================================ package com.marcinmoskala.arcseekbar import android.support.test.InstrumentationRegistry import android.support.test.runner.AndroidJUnit4 import org.junit.Test import org.junit.runner.RunWith import org.junit.Assert.* /** * Instrumented test, which will execute on an Android device. * * See [testing documentation](http://d.android.com/tools/testing). */ @RunWith(AndroidJUnit4::class) class ExampleInstrumentedTest { @Test fun useAppContext() { // Context of the app under test. val appContext = InstrumentationRegistry.getTargetContext() assertEquals("com.marcinmoskala.arcseekbar", appContext.packageName) } } ================================================ FILE: app/src/main/AndroidManifest.xml ================================================ ================================================ FILE: app/src/main/java/com/marcinmoskala/arcseekbar/sample/MainActivity.java ================================================ package com.marcinmoskala.arcseekbar.sample; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.util.Log; import com.marcinmoskala.arcseekbar.ArcSeekBar; import com.marcinmoskala.arcseekbar.ProgressListener; public class MainActivity extends AppCompatActivity { @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ArcSeekBar arcSeekBar = findViewById(R.id.seekArc); arcSeekBar.setMaxProgress(200); ProgressListener progressListener = progress -> Log.i("SeekBar", "Value is " + progress); progressListener.invoke(0); arcSeekBar.setOnProgressChangedListener(progressListener); int[] intArray = getResources().getIntArray(R.array.progressGradientColors); arcSeekBar.setProgressGradient(intArray); } } ================================================ FILE: app/src/main/res/drawable/ic_launcher_background.xml ================================================ ================================================ FILE: app/src/main/res/drawable/thumb2.xml ================================================ ================================================ FILE: app/src/main/res/layout/activity_main.xml ================================================ ================================================ FILE: app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml ================================================ ================================================ FILE: app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml ================================================ ================================================ FILE: app/src/main/res/values/arrays.xml ================================================ ================================================ FILE: app/src/main/res/values/colors.xml ================================================ #3F51B5 #303F9F #FF4081 #4227395a #b5fff6 #00ffdf #00bfa4 #007c6a ================================================ FILE: app/src/main/res/values/strings.xml ================================================ ArcSeekBar ================================================ FILE: app/src/main/res/values/styles.xml ================================================ ================================================ FILE: app/src/test/java/com/marcinmoskala/arcseekbar/ExampleUnitTest.kt ================================================ package com.marcinmoskala.arcseekbar import org.junit.Test import org.junit.Assert.* /** * Example local unit test, which will execute on the development machine (host). * * See [testing documentation](http://d.android.com/tools/testing). */ class ExampleUnitTest { @Test fun addition_isCorrect() { assertEquals(4, 2 + 2) } } ================================================ FILE: build.gradle ================================================ // Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { ext.kotlin_version = '1.1.4-3' repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.0.0-beta6' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5' } } ext { compileSdkVersion = 26 buildToolsVersion = '26.0.1' } allprojects { repositories { google() jcenter() } } task clean(type: Delete) { delete rootProject.buildDir } ================================================ FILE: gradle/wrapper/gradle-wrapper.properties ================================================ #Mon Sep 25 21:08:43 BST 2017 distributionBase=GRADLE_USER_HOME distributionPath=wrapper/dists zipStoreBase=GRADLE_USER_HOME zipStorePath=wrapper/dists distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip ================================================ FILE: gradle.properties ================================================ # Project-wide Gradle settings. # IDE (e.g. Android Studio) users: # Gradle settings configured through the IDE *will override* # any settings specified in this file. # For more details on how to configure your build environment visit # http://www.gradle.org/docs/current/userguide/build_environment.html # Specifies the JVM arguments used for the daemon process. # The setting is particularly useful for tweaking memory settings. org.gradle.jvmargs=-Xmx1536m # When configured, Gradle will run in incubating parallel mode. # This option should only be used with decoupled projects. More details, visit # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects # org.gradle.parallel=true ================================================ FILE: gradlew ================================================ #!/usr/bin/env bash ############################################################################## ## ## Gradle start up script for UN*X ## ############################################################################## # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. DEFAULT_JVM_OPTS="" APP_NAME="Gradle" APP_BASE_NAME=`basename "$0"` # Use the maximum available, or set MAX_FD != -1 to use that value. MAX_FD="maximum" warn ( ) { echo "$*" } die ( ) { echo echo "$*" echo exit 1 } # OS specific support (must be 'true' or 'false'). cygwin=false msys=false darwin=false case "`uname`" in CYGWIN* ) cygwin=true ;; Darwin* ) darwin=true ;; MINGW* ) msys=true ;; esac # Attempt to set APP_HOME # Resolve links: $0 may be a link PRG="$0" # Need this for relative symlinks. while [ -h "$PRG" ] ; do ls=`ls -ld "$PRG"` link=`expr "$ls" : '.*-> \(.*\)$'` if expr "$link" : '/.*' > /dev/null; then PRG="$link" else PRG=`dirname "$PRG"`"/$link" fi done SAVED="`pwd`" cd "`dirname \"$PRG\"`/" >/dev/null APP_HOME="`pwd -P`" cd "$SAVED" >/dev/null CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar # Determine the Java command to use to start the JVM. if [ -n "$JAVA_HOME" ] ; then if [ -x "$JAVA_HOME/jre/sh/java" ] ; then # IBM's JDK on AIX uses strange locations for the executables JAVACMD="$JAVA_HOME/jre/sh/java" else JAVACMD="$JAVA_HOME/bin/java" fi if [ ! -x "$JAVACMD" ] ; then die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi else JAVACMD="java" which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi # Increase the maximum file descriptors if we can. if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then MAX_FD_LIMIT=`ulimit -H -n` if [ $? -eq 0 ] ; then if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then MAX_FD="$MAX_FD_LIMIT" fi ulimit -n $MAX_FD if [ $? -ne 0 ] ; then warn "Could not set maximum file descriptor limit: $MAX_FD" fi else warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" fi fi # For Darwin, add options to specify how the application appears in the dock if $darwin; then GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" fi # For Cygwin, switch paths to Windows format before running java if $cygwin ; then APP_HOME=`cygpath --path --mixed "$APP_HOME"` CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` JAVACMD=`cygpath --unix "$JAVACMD"` # We build the pattern for arguments to be converted via cygpath ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` SEP="" for dir in $ROOTDIRSRAW ; do ROOTDIRS="$ROOTDIRS$SEP$dir" SEP="|" done OURCYGPATTERN="(^($ROOTDIRS))" # Add a user-defined pattern to the cygpath arguments if [ "$GRADLE_CYGPATTERN" != "" ] ; then OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" fi # Now convert the arguments - kludge to limit ourselves to /bin/sh i=0 for arg in "$@" ; do CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` else eval `echo args$i`="\"$arg\"" fi i=$((i+1)) done case $i in (0) set -- ;; (1) set -- "$args0" ;; (2) set -- "$args0" "$args1" ;; (3) set -- "$args0" "$args1" "$args2" ;; (4) set -- "$args0" "$args1" "$args2" "$args3" ;; (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; esac fi # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules function splitJvmOpts() { JVM_OPTS=("$@") } eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" ================================================ FILE: gradlew.bat ================================================ @if "%DEBUG%" == "" @echo off @rem ########################################################################## @rem @rem Gradle startup script for Windows @rem @rem ########################################################################## @rem Set local scope for the variables with windows NT shell if "%OS%"=="Windows_NT" setlocal @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. set DEFAULT_JVM_OPTS= set DIRNAME=%~dp0 if "%DIRNAME%" == "" set DIRNAME=. set APP_BASE_NAME=%~n0 set APP_HOME=%DIRNAME% @rem Find java.exe if defined JAVA_HOME goto findJavaFromJavaHome set JAVA_EXE=java.exe %JAVA_EXE% -version >NUL 2>&1 if "%ERRORLEVEL%" == "0" goto init echo. echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :findJavaFromJavaHome set JAVA_HOME=%JAVA_HOME:"=% set JAVA_EXE=%JAVA_HOME%/bin/java.exe if exist "%JAVA_EXE%" goto init echo. echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :init @rem Get command-line arguments, handling Windowz variants if not "%OS%" == "Windows_NT" goto win9xME_args if "%@eval[2+2]" == "4" goto 4NT_args :win9xME_args @rem Slurp the command line arguments. set CMD_LINE_ARGS= set _SKIP=2 :win9xME_args_slurp if "x%~1" == "x" goto execute set CMD_LINE_ARGS=%* goto execute :4NT_args @rem Get arguments from the 4NT Shell from JP Software set CMD_LINE_ARGS=%$ :execute @rem Setup the command line set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar @rem Execute Gradle "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% :end @rem End local scope for the variables with windows NT shell if "%ERRORLEVEL%"=="0" goto mainEnd :fail rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of rem the _cmd.exe /c_ return code! if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 exit /b 1 :mainEnd if "%OS%"=="Windows_NT" endlocal :omega ================================================ FILE: lib/.gitignore ================================================ /build ================================================ FILE: lib/build.gradle ================================================ apply plugin: 'com.android.library' apply plugin: 'com.github.dcendents.android-maven' apply plugin: 'kotlin-android' group = 'com.github.marcinmoskala' version = '0.01' android { compileSdkVersion rootProject.ext.compileSdkVersion buildToolsVersion rootProject.ext.buildToolsVersion } dependencies { compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" } repositories { mavenCentral() } task sourcesJar(type: Jar) { from android.sourceSets.main.java.srcDirs classifier = 'sources' } artifacts { archives sourcesJar } install { repositories.mavenInstaller { pom.project { licenses { license { name 'The Apache Software License, Version 2.0' url 'http://www.apache.org/licenses/LICENSE-2.0.txt' distribution 'repo' } } } } } ================================================ FILE: lib/proguard-rules.pro ================================================ # Add project specific ProGuard rules here. # By default, the flags in this file are appended to flags specified # in /home/marcin/Android/Sdk/tools/proguard/proguard-android.txt # You can edit the include path and order by changing the proguardFiles # directive in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} # Uncomment this to preserve the line number information for # debugging stack traces. #-keepattributes SourceFile,LineNumberTable # If you keep the line number information, uncomment this to # hide the original source file name. #-renamesourcefileattribute SourceFile ================================================ FILE: lib/src/main/AndroidManifest.xml ================================================ ================================================ FILE: lib/src/main/java/com/marcinmoskala/arcseekbar/ArcSeekBar.kt ================================================ package com.marcinmoskala.arcseekbar import android.annotation.SuppressLint import android.content.Context import android.graphics.Canvas import android.graphics.LinearGradient import android.graphics.Paint import android.graphics.Shader import android.graphics.drawable.Drawable import android.util.AttributeSet import android.view.MotionEvent import android.view.View import java.lang.Math.* class ArcSeekBar @JvmOverloads constructor( context: Context, attrs: AttributeSet? = null, defStyle: Int = 0, defStyleRes: Int = 0 ) : View(context, attrs, defStyle) { var onProgressChangedListener: (ProgressListener)? = null var onStartTrackingTouch: (ProgressListener)? = null var onStopTrackingTouch: (ProgressListener)? = null private val a = attrs?.let { context.obtainStyledAttributes(attrs, R.styleable.ArcSeekBar, defStyle, defStyleRes) } var maxProgress = a.useOrDefault(100) { getInteger(R.styleable.ArcSeekBar_maxProgress, it) } set(progress) { field = bound(0, progress, Int.MAX_VALUE) drawData?.let { drawData = it.copy(maxProgress = progress) } invalidate() } var progress: Int = a.useOrDefault(0) { getInteger(R.styleable.ArcSeekBar_progress, it) } set(progress) { field = bound(0, progress, maxProgress) onProgressChangedListener?.invoke(progress) drawData?.let { drawData = it.copy(progress = progress) } invalidate() } var progressWidth: Float = a.useOrDefault(4 * context.resources.displayMetrics.density) { getDimension(R.styleable.ArcSeekBar_progressWidth, it) } set(value) { field = value progressPaint.strokeWidth = value } var progressBackgroundWidth: Float = a.useOrDefault(2F) { getDimension(R.styleable.ArcSeekBar_progressBackgroundWidth, it) } set(mArcWidth) { field = mArcWidth progressBackgroundPaint.strokeWidth = mArcWidth } var progressColor: Int get() = progressPaint.color set(color) { progressPaint.color = color invalidate() } var progressBackgroundColor: Int get() = progressBackgroundPaint.color set(color) { progressBackgroundPaint.color = color invalidate() } private val thumb: Drawable = a?.getDrawable(R.styleable.ArcSeekBar_thumb) ?: resources.getDrawable(R.drawable.thumb) private var roundedEdges = a.useOrDefault(true) { getBoolean(R.styleable.ArcSeekBar_roundEdges, it) } set(value) { if (value) { progressBackgroundPaint.strokeCap = Paint.Cap.ROUND progressPaint.strokeCap = Paint.Cap.ROUND } else { progressBackgroundPaint.strokeCap = Paint.Cap.SQUARE progressPaint.strokeCap = Paint.Cap.SQUARE } field = value } private var progressBackgroundPaint: Paint = makeProgressPaint( color = a.useOrDefault(resources.getColor(android.R.color.darker_gray)) { getColor(R.styleable.ArcSeekBar_progressBackgroundColor, it) }, width = progressBackgroundWidth ) private var progressPaint: Paint = makeProgressPaint( color = a.useOrDefault(resources.getColor(android.R.color.holo_blue_light)) { getColor(R.styleable.ArcSeekBar_progressColor, it) }, width = progressWidth ) private var mEnabled = a?.getBoolean(R.styleable.ArcSeekBar_enabled, true) ?: true init { a?.recycle() } private var drawerDataObservers: List<(ArcSeekBarData) -> Unit> = emptyList() private fun doWhenDrawerDataAreReady(f: (ArcSeekBarData) -> Unit) { if (drawData != null) f(drawData!!) else drawerDataObservers += f } private var drawData: ArcSeekBarData? = null set(value) { field = value ?: return val temp = drawerDataObservers.toList() temp.forEach { it(value) } drawerDataObservers -= temp } override fun onDraw(canvas: Canvas) { drawData?.run { canvas.drawArc(arcRect, startAngle, sweepAngle, false, progressBackgroundPaint) canvas.drawArc(arcRect, startAngle, progressSweepAngle, false, progressPaint) if (mEnabled) drawThumb(canvas) } } private fun ArcSeekBarData.drawThumb(canvas: Canvas) { val thumbHalfHeight = thumb.intrinsicHeight / 2 val thumbHalfWidth = thumb.intrinsicWidth / 2 thumb.setBounds(thumbX - thumbHalfWidth, thumbY - thumbHalfHeight, thumbX + thumbHalfWidth, thumbY + thumbHalfHeight) thumb.draw(canvas) } @SuppressLint("DrawAllocation") override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { val height = View.getDefaultSize(suggestedMinimumHeight, heightMeasureSpec) val width = View.getDefaultSize(suggestedMinimumWidth, widthMeasureSpec) val dx = maxOf(thumb.intrinsicWidth.toFloat() / 2, this.progressWidth) + 2 val dy = maxOf(thumb.intrinsicHeight.toFloat() / 2, this.progressWidth) + 2 val realWidth = width.toFloat() - 2 * dx - paddingLeft - paddingRight val realHeight = minOf(height.toFloat() - 2 * dy - paddingTop - paddingBottom, realWidth / 2) drawData = ArcSeekBarData(dx + paddingLeft, dy + paddingTop, realWidth, realHeight, progress, maxProgress) super.onMeasure(widthMeasureSpec, heightMeasureSpec) } @SuppressLint("ClickableViewAccessibility") override fun onTouchEvent(event: MotionEvent): Boolean { if (mEnabled) { when (event.action) { MotionEvent.ACTION_DOWN -> { onStartTrackingTouch?.invoke(progress) updateOnTouch(event) } MotionEvent.ACTION_MOVE -> updateOnTouch(event) MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> { onStopTrackingTouch?.invoke(progress) isPressed = false } } } return mEnabled } override fun drawableStateChanged() { super.drawableStateChanged() if (thumb.isStateful) { thumb.state = drawableState } invalidate() } fun setProgressBackgroundGradient(vararg colors: Int) { setGradient(progressBackgroundPaint, *colors) } fun setProgressGradient(vararg colors: Int) { setGradient(progressPaint, *colors) } private fun setGradient(paint: Paint, vararg colors: Int) { doWhenDrawerDataAreReady { paint.shader = LinearGradient(it.dx, 0F, it.width, 0F, colors, null, Shader.TileMode.CLAMP) } invalidate() } private fun makeProgressPaint(color: Int, width: Float) = Paint().apply { this.color = color isAntiAlias = true style = Paint.Style.STROKE strokeWidth = width if (roundedEdges) strokeCap = Paint.Cap.ROUND } private fun updateOnTouch(event: MotionEvent) { val progressFromClick = drawData?.progressFromClick(event.x, event.y, thumb.intrinsicHeight) ?: return isPressed = true progress = progressFromClick } override fun isEnabled(): Boolean = mEnabled override fun setEnabled(enabled: Boolean) { this.mEnabled = enabled } fun T?.useOrDefault(default: R, usage: T.(R) -> R) = if (this == null) default else usage(default) } ================================================ FILE: lib/src/main/java/com/marcinmoskala/arcseekbar/ArcSeekBarData.kt ================================================ package com.marcinmoskala.arcseekbar import android.graphics.RectF internal data class ArcSeekBarData( val dx: Float, val dy: Float, val width: Float, val height: Float, val progress: Int, val maxProgress: Int ) { private val pi = Math.PI.toFloat() private val zero = 0.0001F val r: Float = height / 2 + width * width / 8 / height private val circleCenterX: Float = width / 2 + dy private val circleCenterY: Float = r + dx private val alphaRad: Float = bound(zero, Math.acos((r - height).toDouble() / r).toFloat(), 2 * pi) val arcRect: RectF = RectF(circleCenterX - r, circleCenterY - r, circleCenterX + r, circleCenterY + r) val startAngle: Float = bound(180F, 270 - alphaRad / 2 / pi * 360F, 360F) val sweepAngle: Float = bound(zero, (2F * alphaRad) / 2 / pi * 360F, 180F) val progressSweepRad = if(maxProgress == 0) zero else bound(zero, progress.toFloat() / maxProgress * 2 * alphaRad, 2 * pi) val progressSweepAngle: Float = progressSweepRad / 2 / pi * 360F val thumbX: Int = (r * Math.cos(alphaRad + Math.PI / 2 - progressSweepRad).toFloat() + circleCenterX).toInt() val thumbY: Int = (-r * Math.sin(alphaRad + Math.PI / 2 - progressSweepRad).toFloat() + circleCenterY).toInt() fun progressFromClick(x: Float, y: Float, thumbHeight: Int): Int? { if (y > height + dy * 2) return null val distToCircleCenter = Math.sqrt(Math.pow(circleCenterX - x.toDouble(), 2.0) + Math.pow(circleCenterY - y.toDouble(), 2.0)) if (Math.abs(distToCircleCenter - r) > thumbHeight) return null val innerWidthHalf = width / 2 val xFromCenter = bound(-innerWidthHalf, x - circleCenterX, innerWidthHalf).toDouble() val touchAngle = Math.acos(xFromCenter / r) + alphaRad - Math.PI / 2 val angleToMax = 1.0 - touchAngle / (2 * alphaRad) return bound(0, ((maxProgress + 1) * angleToMax).toInt(), maxProgress) } } ================================================ FILE: lib/src/main/java/com/marcinmoskala/arcseekbar/ProgressListener.java ================================================ package com.marcinmoskala.arcseekbar; public interface ProgressListener { void invoke(int progress); } ================================================ FILE: lib/src/main/java/com/marcinmoskala/arcseekbar/Util.kt ================================================ package com.marcinmoskala.arcseekbar internal fun bound(min: T, value: T, max: T) = when { value.toDouble() > max.toDouble() -> max value.toDouble() < min.toDouble() -> min else -> value } ================================================ FILE: lib/src/main/res/drawable/thumb.xml ================================================ ================================================ FILE: lib/src/main/res/values/attrs.xml ================================================ ================================================ FILE: settings.gradle ================================================ include ':app', ':lib'