├── app
    ├── .gitignore
    ├── src
    │   ├── main
    │   │   ├── res
    │   │   │   ├── values
    │   │   │   │   ├── strings.xml
    │   │   │   │   ├── colors.xml
    │   │   │   │   └── themes.xml
    │   │   │   ├── drawable
    │   │   │   │   ├── music_knob.png
    │   │   │   │   └── ic_launcher_background.xml
    │   │   │   ├── mipmap-hdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-mdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-xhdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-xxhdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-xxxhdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-anydpi-v26
    │   │   │   │   ├── ic_launcher.xml
    │   │   │   │   └── ic_launcher_round.xml
    │   │   │   ├── values-night
    │   │   │   │   └── themes.xml
    │   │   │   └── drawable-v24
    │   │   │   │   └── ic_launcher_foreground.xml
    │   │   ├── AndroidManifest.xml
    │   │   └── java
    │   │   │   └── com
    │   │   │       └── plcoding
    │   │   │           └── musicknob
    │   │   │               └── MainActivity.kt
    │   ├── test
    │   │   └── java
    │   │   │   └── com
    │   │   │       └── plcoding
    │   │   │           └── musicknob
    │   │   │               └── ExampleUnitTest.kt
    │   └── androidTest
    │   │   └── java
    │   │       └── com
    │   │           └── plcoding
    │   │               └── musicknob
    │   │                   └── ExampleInstrumentedTest.kt
    ├── proguard-rules.pro
    └── build.gradle
├── .idea
    ├── sonarlint
    │   └── issuestore
    │   │   └── index.pb
    ├── .gitignore
    ├── compiler.xml
    ├── misc.xml
    └── gradle.xml
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── .gitignore
├── settings.gradle
├── gradle.properties
├── gradlew.bat
└── gradlew


/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build


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/.idea/sonarlint/issuestore/index.pb:
--------------------------------------------------------------------------------
1 | 


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/.idea/.gitignore:
--------------------------------------------------------------------------------
1 | # Default ignored files
2 | /shelf/
3 | /workspace.xml
4 | 


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/app/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 |     <string name="app_name">MusicKnob</string>
3 | </resources>


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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/gradle/wrapper/gradle-wrapper.jar


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/app/src/main/res/drawable/music_knob.png:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/drawable/music_knob.png


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/app/src/main/res/mipmap-hdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.webp


--------------------------------------------------------------------------------
/app/src/main/res/mipmap-mdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.webp


--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xhdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.webp


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/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp


--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp


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/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp


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/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp


--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp


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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/philipplackner/MusicKnob/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp


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/.idea/compiler.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="CompilerConfiguration">
4 |     <bytecodeTargetLevel target="11" />
5 |   </component>
6 | </project>


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/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | #Mon Jun 14 17:34:31 CEST 2021
2 | distributionBase=GRADLE_USER_HOME
3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
4 | distributionPath=wrapper/dists
5 | zipStorePath=wrapper/dists
6 | zipStoreBase=GRADLE_USER_HOME
7 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | *.iml
 2 | .gradle
 3 | /local.properties
 4 | /.idea/caches
 5 | /.idea/libraries
 6 | /.idea/modules.xml
 7 | /.idea/workspace.xml
 8 | /.idea/navEditor.xml
 9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | .cxx
15 | local.properties
16 | 


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/settings.gradle:
--------------------------------------------------------------------------------
 1 | dependencyResolutionManagement {
 2 |     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
 3 |     repositories {
 4 |         google()
 5 |         mavenCentral()
 6 |         jcenter() // Warning: this repository is going to shut down soon
 7 |     }
 8 | }
 9 | rootProject.name = "MusicKnob"
10 | include ':app'
11 | 


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/.idea/misc.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
4 |     <output url="file://$PROJECT_DIR$/build/classes" />
5 |   </component>
6 |   <component name="ProjectType">
7 |     <option name="id" value="Android" />
8 |   </component>
9 | </project>


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/app/src/main/res/values/colors.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 |     <color name="purple_200">#FFBB86FC</color>
 4 |     <color name="purple_500">#FF6200EE</color>
 5 |     <color name="purple_700">#FF3700B3</color>
 6 |     <color name="teal_200">#FF03DAC5</color>
 7 |     <color name="teal_700">#FF018786</color>
 8 |     <color name="black">#FF000000</color>
 9 |     <color name="white">#FFFFFFFF</color>
10 | </resources>


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/app/src/test/java/com/plcoding/musicknob/ExampleUnitTest.kt:
--------------------------------------------------------------------------------
 1 | package com.plcoding.musicknob
 2 | 
 3 | import org.junit.Test
 4 | 
 5 | import org.junit.Assert.*
 6 | 
 7 | /**
 8 |  * Example local unit test, which will execute on the development machine (host).
 9 |  *
10 |  * See [testing documentation](http://d.android.com/tools/testing).
11 |  */
12 | class ExampleUnitTest {
13 |     @Test
14 |     fun addition_isCorrect() {
15 |         assertEquals(4, 2 + 2)
16 |     }
17 | }


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/.idea/gradle.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="GradleMigrationSettings" migrationVersion="1" />
 4 |   <component name="GradleSettings">
 5 |     <option name="linkedExternalProjectsSettings">
 6 |       <GradleProjectSettings>
 7 |         <option name="testRunner" value="GRADLE" />
 8 |         <option name="distributionType" value="DEFAULT_WRAPPED" />
 9 |         <option name="externalProjectPath" value="$PROJECT_DIR$" />
10 |         <option name="modules">
11 |           <set>
12 |             <option value="$PROJECT_DIR$" />
13 |             <option value="$PROJECT_DIR$/app" />
14 |           </set>
15 |         </option>
16 |         <option name="resolveModulePerSourceSet" value="false" />
17 |       </GradleProjectSettings>
18 |     </option>
19 |   </component>
20 | </project>


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/app/src/androidTest/java/com/plcoding/musicknob/ExampleInstrumentedTest.kt:
--------------------------------------------------------------------------------
 1 | package com.plcoding.musicknob
 2 | 
 3 | import androidx.test.platform.app.InstrumentationRegistry
 4 | import androidx.test.ext.junit.runners.AndroidJUnit4
 5 | 
 6 | import org.junit.Test
 7 | import org.junit.runner.RunWith
 8 | 
 9 | import org.junit.Assert.*
10 | 
11 | /**
12 |  * Instrumented test, which will execute on an Android device.
13 |  *
14 |  * See [testing documentation](http://d.android.com/tools/testing).
15 |  */
16 | @RunWith(AndroidJUnit4::class)
17 | class ExampleInstrumentedTest {
18 |     @Test
19 |     fun useAppContext() {
20 |         // Context of the app under test.
21 |         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
22 |         assertEquals("com.plcoding.musicknob", appContext.packageName)
23 |     }
24 | }


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/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile


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/app/src/main/res/values-night/themes.xml:
--------------------------------------------------------------------------------
 1 | <resources xmlns:tools="http://schemas.android.com/tools">
 2 |     <!-- Base application theme. -->
 3 |     <style name="Theme.MusicKnob" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
 4 |         <!-- Primary brand color. -->
 5 |         <item name="colorPrimary">@color/purple_200</item>
 6 |         <item name="colorPrimaryVariant">@color/purple_700</item>
 7 |         <item name="colorOnPrimary">@color/black</item>
 8 |         <!-- Secondary brand color. -->
 9 |         <item name="colorSecondary">@color/teal_200</item>
10 |         <item name="colorSecondaryVariant">@color/teal_200</item>
11 |         <item name="colorOnSecondary">@color/black</item>
12 |         <!-- Status bar color. -->
13 |         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
14 |         <!-- Customize your theme here. -->
15 |     </style>
16 | </resources>


--------------------------------------------------------------------------------
/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.plcoding.musicknob">
 4 | 
 5 |     <application
 6 |         android:allowBackup="true"
 7 |         android:icon="@mipmap/ic_launcher"
 8 |         android:label="@string/app_name"
 9 |         android:roundIcon="@mipmap/ic_launcher_round"
10 |         android:supportsRtl="true"
11 |         android:theme="@style/Theme.MusicKnob">
12 |         <activity
13 |             android:name=".MainActivity"
14 |             android:exported="true"
15 |             android:label="@string/app_name"
16 |             android:theme="@style/Theme.MusicKnob.NoActionBar">
17 |             <intent-filter>
18 |                 <action android:name="android.intent.action.MAIN" />
19 | 
20 |                 <category android:name="android.intent.category.LAUNCHER" />
21 |             </intent-filter>
22 |         </activity>
23 |     </application>
24 | 
25 | </manifest>


--------------------------------------------------------------------------------
/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
20 | # Kotlin code style for this project: "official" or "obsolete":
21 | kotlin.code.style=official


--------------------------------------------------------------------------------
/app/src/main/res/values/themes.xml:
--------------------------------------------------------------------------------
 1 | <resources xmlns:tools="http://schemas.android.com/tools">
 2 |     <!-- Base application theme. -->
 3 |     <style name="Theme.MusicKnob" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
 4 |         <!-- Primary brand color. -->
 5 |         <item name="colorPrimary">@color/purple_500</item>
 6 |         <item name="colorPrimaryVariant">@color/purple_700</item>
 7 |         <item name="colorOnPrimary">@color/white</item>
 8 |         <!-- Secondary brand color. -->
 9 |         <item name="colorSecondary">@color/teal_200</item>
10 |         <item name="colorSecondaryVariant">@color/teal_700</item>
11 |         <item name="colorOnSecondary">@color/black</item>
12 |         <!-- Status bar color. -->
13 |         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
14 |         <!-- Customize your theme here. -->
15 |     </style>
16 | 
17 |     <style name="Theme.MusicKnob.NoActionBar">
18 |         <item name="windowActionBar">false</item>
19 |         <item name="windowNoTitle">true</item>
20 |     </style>
21 | 
22 |     <style name="Theme.MusicKnob.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
23 | 
24 |     <style name="Theme.MusicKnob.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
25 | </resources>


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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
--------------------------------------------------------------------------------
 1 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:aapt="http://schemas.android.com/aapt"
 3 |     android:width="108dp"
 4 |     android:height="108dp"
 5 |     android:viewportWidth="108"
 6 |     android:viewportHeight="108">
 7 |     <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
 8 |         <aapt:attr name="android:fillColor">
 9 |             <gradient
10 |                 android:endX="85.84757"
11 |                 android:endY="92.4963"
12 |                 android:startX="42.9492"
13 |                 android:startY="49.59793"
14 |                 android:type="linear">
15 |                 <item
16 |                     android:color="#44000000"
17 |                     android:offset="0.0" />
18 |                 <item
19 |                     android:color="#00000000"
20 |                     android:offset="1.0" />
21 |             </gradient>
22 |         </aapt:attr>
23 |     </path>
24 |     <path
25 |         android:fillColor="#FFFFFF"
26 |         android:fillType="nonZero"
27 |         android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
28 |         android:strokeWidth="1"
29 |         android:strokeColor="#00000000" />
30 | </vector>


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/app/build.gradle:
--------------------------------------------------------------------------------
 1 | plugins {
 2 |     id 'com.android.application'
 3 |     id 'kotlin-android'
 4 | }
 5 | 
 6 | android {
 7 |     compileSdk 30
 8 | 
 9 |     defaultConfig {
10 |         applicationId "com.plcoding.musicknob"
11 |         minSdk 21
12 |         targetSdk 30
13 |         versionCode 1
14 |         versionName "1.0"
15 | 
16 |         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
17 |         vectorDrawables {
18 |             useSupportLibrary true
19 |         }
20 |     }
21 | 
22 |     buildTypes {
23 |         release {
24 |             minifyEnabled false
25 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
26 |         }
27 |     }
28 |     compileOptions {
29 |         sourceCompatibility JavaVersion.VERSION_1_8
30 |         targetCompatibility JavaVersion.VERSION_1_8
31 |     }
32 |     kotlinOptions {
33 |         jvmTarget = '1.8'
34 |         useIR = true
35 |     }
36 |     buildFeatures {
37 |         compose true
38 |     }
39 |     composeOptions {
40 |         kotlinCompilerExtensionVersion compose_version
41 |         kotlinCompilerVersion '1.4.32'
42 |     }
43 | }
44 | 
45 | dependencies {
46 | 
47 |     implementation 'androidx.core:core-ktx:1.5.0'
48 |     implementation 'androidx.appcompat:appcompat:1.3.0'
49 |     implementation 'com.google.android.material:material:1.3.0'
50 |     implementation "androidx.compose.ui:ui:$compose_version"
51 |     implementation "androidx.compose.material:material:$compose_version"
52 |     implementation "androidx.compose.ui:ui-tooling:$compose_version"
53 |     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
54 |     implementation 'androidx.activity:activity-compose:1.3.0-beta01'
55 |     testImplementation 'junit:junit:4.+'
56 |     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
57 |     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
58 |     androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version"
59 | }


--------------------------------------------------------------------------------
/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 Resolve any "." and ".." in APP_HOME to make it shorter.
33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
34 | 
35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
37 | 
38 | @rem Find java.exe
39 | if defined JAVA_HOME goto findJavaFromJavaHome
40 | 
41 | set JAVA_EXE=java.exe
42 | %JAVA_EXE% -version >NUL 2>&1
43 | if "%ERRORLEVEL%" == "0" goto execute
44 | 
45 | echo.
46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
47 | echo.
48 | echo Please set the JAVA_HOME variable in your environment to match the
49 | echo location of your Java installation.
50 | 
51 | goto fail
52 | 
53 | :findJavaFromJavaHome
54 | set JAVA_HOME=%JAVA_HOME:"=%
55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
56 | 
57 | if exist "%JAVA_EXE%" goto execute
58 | 
59 | echo.
60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
61 | echo.
62 | echo Please set the JAVA_HOME variable in your environment to match the
63 | echo location of your Java installation.
64 | 
65 | goto fail
66 | 
67 | :execute
68 | @rem Setup the command line
69 | 
70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
71 | 
72 | 
73 | @rem Execute Gradle
74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
75 | 
76 | :end
77 | @rem End local scope for the variables with windows NT shell
78 | if "%ERRORLEVEL%"=="0" goto mainEnd
79 | 
80 | :fail
81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
82 | rem the _cmd.exe /c_ return code!
83 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
84 | exit /b 1
85 | 
86 | :mainEnd
87 | if "%OS%"=="Windows_NT" endlocal
88 | 
89 | :omega
90 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/plcoding/musicknob/MainActivity.kt:
--------------------------------------------------------------------------------
  1 | package com.plcoding.musicknob
  2 | 
  3 | import android.os.Bundle
  4 | import android.view.MotionEvent
  5 | import androidx.activity.ComponentActivity
  6 | import androidx.activity.compose.setContent
  7 | import androidx.compose.foundation.Canvas
  8 | import androidx.compose.foundation.Image
  9 | import androidx.compose.foundation.background
 10 | import androidx.compose.foundation.border
 11 | import androidx.compose.foundation.layout.*
 12 | import androidx.compose.foundation.shape.RoundedCornerShape
 13 | import androidx.compose.runtime.Composable
 14 | import androidx.compose.runtime.mutableStateOf
 15 | import androidx.compose.runtime.remember
 16 | import androidx.compose.runtime.setValue
 17 | import androidx.compose.runtime.getValue
 18 | import androidx.compose.ui.Alignment
 19 | import androidx.compose.ui.Modifier
 20 | import androidx.compose.ui.draw.rotate
 21 | import androidx.compose.ui.geometry.CornerRadius
 22 | import androidx.compose.ui.geometry.Offset
 23 | import androidx.compose.ui.geometry.Size
 24 | import androidx.compose.ui.graphics.Color
 25 | import androidx.compose.ui.input.pointer.pointerInteropFilter
 26 | import androidx.compose.ui.layout.boundsInParent
 27 | import androidx.compose.ui.layout.boundsInRoot
 28 | import androidx.compose.ui.layout.boundsInWindow
 29 | import androidx.compose.ui.layout.onGloballyPositioned
 30 | import androidx.compose.ui.res.painterResource
 31 | import androidx.compose.ui.unit.dp
 32 | import kotlin.math.PI
 33 | import kotlin.math.atan2
 34 | import kotlin.math.roundToInt
 35 | 
 36 | class MainActivity : ComponentActivity() {
 37 |     override fun onCreate(savedInstanceState: Bundle?) {
 38 |         super.onCreate(savedInstanceState)
 39 |         setContent {
 40 |             Box(
 41 |                 contentAlignment = Alignment.Center,
 42 |                 modifier = Modifier
 43 |                     .fillMaxSize()
 44 |                     .background(Color(0xFF101010))
 45 |             ) {
 46 |                 Row(
 47 |                     horizontalArrangement = Arrangement.Center,
 48 |                     verticalAlignment = Alignment.CenterVertically,
 49 |                     modifier = Modifier
 50 |                         .border(1.dp, Color.Green, RoundedCornerShape(10.dp))
 51 |                         .padding(30.dp)
 52 |                 ) {
 53 |                     var volume by remember {
 54 |                         mutableStateOf(0f)
 55 |                     }
 56 |                     val barCount = 20
 57 |                     MusicKnob(
 58 |                         modifier = Modifier.size(100.dp)
 59 |                     ) {
 60 |                         volume = it
 61 |                     }
 62 |                     Spacer(modifier = Modifier.width(20.dp))
 63 |                     VolumeBar(
 64 |                         modifier = Modifier
 65 |                             .fillMaxWidth()
 66 |                             .height(30.dp),
 67 |                         activeBars = (barCount * volume).roundToInt(),
 68 |                         barCount = barCount
 69 |                     )
 70 |                 }
 71 |             }
 72 |         }
 73 |     }
 74 | }
 75 | 
 76 | @Composable
 77 | fun VolumeBar(
 78 |     modifier: Modifier = Modifier,
 79 |     activeBars: Int = 0,
 80 |     barCount: Int = 10
 81 | ) {
 82 |     BoxWithConstraints(
 83 |         contentAlignment = Alignment.Center,
 84 |         modifier = modifier
 85 |     ) {
 86 |         val barWidth = remember {
 87 |             constraints.maxWidth / (2f * barCount)
 88 |         }
 89 |         Canvas(modifier = modifier) {
 90 |             for(i in 0 until barCount) {
 91 |                 drawRoundRect(
 92 |                     color = if(i in 0..activeBars) Color.Green else Color.DarkGray,
 93 |                     topLeft = Offset(i * barWidth * 2f + barWidth / 2f, 0f),
 94 |                     size = Size(barWidth, constraints.maxHeight.toFloat()),
 95 |                     cornerRadius = CornerRadius(0f)
 96 |                 )
 97 |             }
 98 |         }
 99 |     }
100 | }
101 | 
102 | @Composable
103 | fun MusicKnob(
104 |     modifier: Modifier = Modifier,
105 |     limitingAngle: Float = 25f,
106 |     onValueChange: (Float) -> Unit
107 | ) {
108 |     var rotation by remember {
109 |         mutableStateOf(limitingAngle)
110 |     }
111 |     var touchX by remember {
112 |         mutableStateOf(0f)
113 |     }
114 |     var touchY by remember {
115 |         mutableStateOf(0f)
116 |     }
117 |     var centerX by remember {
118 |         mutableStateOf(0f)
119 |     }
120 |     var centerY by remember {
121 |         mutableStateOf(0f)
122 |     }
123 | 
124 |     Image(
125 |         painter = painterResource(id = R.drawable.music_knob),
126 |         contentDescription = "Music knob",
127 |         modifier = modifier
128 |             .fillMaxSize()
129 |             .onGloballyPositioned {
130 |                 val windowBounds = it.boundsInWindow()
131 |                 centerX = windowBounds.size.width / 2f
132 |                 centerY = windowBounds.size.height / 2f
133 |             }
134 |             .pointerInteropFilter { event ->
135 |                 touchX = event.x
136 |                 touchY = event.y
137 |                 val angle = -atan2(centerX - touchX, centerY - touchY) * (180f / PI).toFloat()
138 | 
139 |                 when (event.action) {
140 |                     MotionEvent.ACTION_DOWN,
141 |                     MotionEvent.ACTION_MOVE -> {
142 |                         if (angle !in -limitingAngle..limitingAngle) {
143 |                             val fixedAngle = if (angle in -180f..-limitingAngle) {
144 |                                 360f + angle
145 |                             } else {
146 |                                 angle
147 |                             }
148 |                             rotation = fixedAngle
149 | 
150 |                             val percent = (fixedAngle - limitingAngle) / (360f - 2 * limitingAngle)
151 |                             onValueChange(percent)
152 |                             true
153 |                         } else false
154 |                     }
155 |                     else -> false
156 |                 }
157 |             }
158 |             .rotate(rotation)
159 |     )
160 | }


--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
  3 |     android:width="108dp"
  4 |     android:height="108dp"
  5 |     android:viewportWidth="108"
  6 |     android:viewportHeight="108">
  7 |     <path
  8 |         android:fillColor="#3DDC84"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeWidth="0.8"
 14 |         android:strokeColor="#33FFFFFF" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeWidth="0.8"
 19 |         android:strokeColor="#33FFFFFF" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeWidth="0.8"
 24 |         android:strokeColor="#33FFFFFF" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeWidth="0.8"
 29 |         android:strokeColor="#33FFFFFF" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeWidth="0.8"
 34 |         android:strokeColor="#33FFFFFF" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeWidth="0.8"
 39 |         android:strokeColor="#33FFFFFF" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeWidth="0.8"
 44 |         android:strokeColor="#33FFFFFF" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeWidth="0.8"
 49 |         android:strokeColor="#33FFFFFF" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeWidth="0.8"
 54 |         android:strokeColor="#33FFFFFF" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeWidth="0.8"
 59 |         android:strokeColor="#33FFFFFF" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeWidth="0.8"
 64 |         android:strokeColor="#33FFFFFF" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeWidth="0.8"
 69 |         android:strokeColor="#33FFFFFF" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeWidth="0.8"
 74 |         android:strokeColor="#33FFFFFF" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeWidth="0.8"
 79 |         android:strokeColor="#33FFFFFF" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeWidth="0.8"
 84 |         android:strokeColor="#33FFFFFF" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeWidth="0.8"
 89 |         android:strokeColor="#33FFFFFF" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeWidth="0.8"
 94 |         android:strokeColor="#33FFFFFF" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeWidth="0.8"
 99 |         android:strokeColor="#33FFFFFF" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeWidth="0.8"
104 |         android:strokeColor="#33FFFFFF" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeWidth="0.8"
109 |         android:strokeColor="#33FFFFFF" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeWidth="0.8"
114 |         android:strokeColor="#33FFFFFF" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeWidth="0.8"
119 |         android:strokeColor="#33FFFFFF" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeWidth="0.8"
124 |         android:strokeColor="#33FFFFFF" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeWidth="0.8"
129 |         android:strokeColor="#33FFFFFF" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeWidth="0.8"
134 |         android:strokeColor="#33FFFFFF" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeWidth="0.8"
139 |         android:strokeColor="#33FFFFFF" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeWidth="0.8"
144 |         android:strokeColor="#33FFFFFF" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeWidth="0.8"
149 |         android:strokeColor="#33FFFFFF" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeWidth="0.8"
154 |         android:strokeColor="#33FFFFFF" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeWidth="0.8"
159 |         android:strokeColor="#33FFFFFF" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeWidth="0.8"
164 |         android:strokeColor="#33FFFFFF" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeWidth="0.8"
169 |         android:strokeColor="#33FFFFFF" />
170 | </vector>
171 | 


--------------------------------------------------------------------------------
/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 | 
 86 | # Determine the Java command to use to start the JVM.
 87 | if [ -n "$JAVA_HOME" ] ; then
 88 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 89 |         # IBM's JDK on AIX uses strange locations for the executables
 90 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 91 |     else
 92 |         JAVACMD="$JAVA_HOME/bin/java"
 93 |     fi
 94 |     if [ ! -x "$JAVACMD" ] ; then
 95 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 96 | 
 97 | Please set the JAVA_HOME variable in your environment to match the
 98 | location of your Java installation."
 99 |     fi
100 | else
101 |     JAVACMD="java"
102 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
103 | 
104 | Please set the JAVA_HOME variable in your environment to match the
105 | location of your Java installation."
106 | fi
107 | 
108 | # Increase the maximum file descriptors if we can.
109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
110 |     MAX_FD_LIMIT=`ulimit -H -n`
111 |     if [ $? -eq 0 ] ; then
112 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
113 |             MAX_FD="$MAX_FD_LIMIT"
114 |         fi
115 |         ulimit -n $MAX_FD
116 |         if [ $? -ne 0 ] ; then
117 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
118 |         fi
119 |     else
120 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
121 |     fi
122 | fi
123 | 
124 | # For Darwin, add options to specify how the application appears in the dock
125 | if $darwin; then
126 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
127 | fi
128 | 
129 | # For Cygwin or MSYS, switch paths to Windows format before running java
130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
131 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
132 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
133 | 
134 |     JAVACMD=`cygpath --unix "$JAVACMD"`
135 | 
136 |     # We build the pattern for arguments to be converted via cygpath
137 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
138 |     SEP=""
139 |     for dir in $ROOTDIRSRAW ; do
140 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
141 |         SEP="|"
142 |     done
143 |     OURCYGPATTERN="(^($ROOTDIRS))"
144 |     # Add a user-defined pattern to the cygpath arguments
145 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
146 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
147 |     fi
148 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
149 |     i=0
150 |     for arg in "$@" ; do
151 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
152 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
153 | 
154 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
155 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
156 |         else
157 |             eval `echo args$i`="\"$arg\""
158 |         fi
159 |         i=`expr $i + 1`
160 |     done
161 |     case $i in
162 |         0) set -- ;;
163 |         1) set -- "$args0" ;;
164 |         2) set -- "$args0" "$args1" ;;
165 |         3) set -- "$args0" "$args1" "$args2" ;;
166 |         4) set -- "$args0" "$args1" "$args2" "$args3" ;;
167 |         5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
168 |         6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
169 |         7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
170 |         8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
171 |         9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
172 |     esac
173 | fi
174 | 
175 | # Escape application args
176 | save () {
177 |     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
178 |     echo " "
179 | }
180 | APP_ARGS=`save "$@"`
181 | 
182 | # Collect all arguments for the java command, following the shell quoting and substitution rules
183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
184 | 
185 | exec "$JAVACMD" "$@"
186 | 


--------------------------------------------------------------------------------