├── .gitignore ├── LICENSE ├── README.md ├── animated_wave.gif ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── example │ │ └── android │ │ └── waves │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── example │ │ │ └── android │ │ │ └── waves │ │ │ ├── MainActivity.kt │ │ │ ├── WaveTiltSensor.kt │ │ │ └── WavesView.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ └── activity_main.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ └── values │ │ ├── attrs.xml │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── example │ └── android │ └── waves │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | 3 | 4 | # Built application files 5 | *.apk 6 | *.ap_ 7 | *.aab 8 | 9 | # Files for the ART/Dalvik VM 10 | *.dex 11 | 12 | # Java class files 13 | *.class 14 | 15 | # Generated files 16 | bin/ 17 | gen/ 18 | out/ 19 | 20 | # Gradle files 21 | .gradle/ 22 | build/ 23 | 24 | # Local configuration file (sdk path, etc) 25 | local.properties 26 | 27 | # Proguard folder generated by Eclipse 28 | proguard/ 29 | 30 | # Log Files 31 | *.log 32 | 33 | # Android Studio Navigation editor temp files 34 | .navigation/ 35 | 36 | # Android Studio captures folder 37 | captures/ 38 | 39 | # IntelliJ 40 | *.iml 41 | .idea/* 42 | 43 | # Keystore files 44 | # Uncomment the following lines if you do not want to check your keystore files in. 45 | #*.jks 46 | #*.keystore 47 | 48 | # External native build folder generated in Android Studio 2.2 and later 49 | .externalNativeBuild 50 | 51 | # Google Services (e.g. APIs or Firebase) 52 | google-services.json 53 | 54 | # Freeline 55 | freeline.py 56 | freeline/ 57 | freeline_project_description.json 58 | 59 | # fastlane 60 | fastlane/report.xml 61 | fastlane/Preview.html 62 | fastlane/screenshots 63 | fastlane/test_output 64 | fastlane/readme.md -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2018 Alexio Mota 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Android-AnimatedWaveView 2 | 3 | A sample project for a animated wave view. Associated blog post: 4 | https://medium.com/s23nyc-tech/geometric-android-animations-using-the-canvas-dd687c43f3f4 5 | 6 | ![](animated_wave.gif) 7 | 8 | --- 9 | 10 | ## License 11 | 12 | [MIT licensed](LICENSE) 13 | -------------------------------------------------------------------------------- /animated_wave.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexio/Android-AnimatedWaveView/1ef4dff1f40a4b77ad310b2ed2c5c61172156f07/animated_wave.gif -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | 3 | # Built application files 4 | *.apk 5 | *.ap_ 6 | *.aab 7 | 8 | # Files for the ART/Dalvik VM 9 | *.dex 10 | 11 | # Java class files 12 | *.class 13 | 14 | # Generated files 15 | bin/ 16 | gen/ 17 | out/ 18 | 19 | # Gradle files 20 | .gradle/ 21 | build/ 22 | 23 | # Local configuration file (sdk path, etc) 24 | local.properties 25 | 26 | # Proguard folder generated by Eclipse 27 | proguard/ 28 | 29 | # Log Files 30 | *.log 31 | 32 | # Android Studio Navigation editor temp files 33 | .navigation/ 34 | 35 | # Android Studio captures folder 36 | captures/ 37 | 38 | # IntelliJ 39 | *.iml 40 | .idea/* 41 | 42 | # Keystore files 43 | # Uncomment the following lines if you do not want to check your keystore files in. 44 | #*.jks 45 | #*.keystore 46 | 47 | # External native build folder generated in Android Studio 2.2 and later 48 | .externalNativeBuild 49 | 50 | # Google Services (e.g. APIs or Firebase) 51 | google-services.json 52 | 53 | # Freeline 54 | freeline.py 55 | freeline/ 56 | freeline_project_description.json 57 | 58 | # fastlane 59 | fastlane/report.xml 60 | fastlane/Preview.html 61 | fastlane/screenshots 62 | fastlane/test_output 63 | fastlane/readme.md -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | apply plugin: 'kotlin-android' 4 | 5 | apply plugin: 'kotlin-android-extensions' 6 | 7 | android { 8 | compileSdkVersion 28 9 | defaultConfig { 10 | applicationId "com.example.android.waves" 11 | minSdkVersion 21 12 | targetSdkVersion 28 13 | versionCode 1 14 | versionName "1.0" 15 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 16 | } 17 | buildTypes { 18 | release { 19 | minifyEnabled false 20 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 21 | } 22 | } 23 | } 24 | 25 | dependencies { 26 | implementation fileTree(dir: 'libs', include: ['*.jar']) 27 | implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 28 | implementation 'com.android.support:appcompat-v7:28.0.0' 29 | implementation 'com.android.support.constraint:constraint-layout:1.1.3' 30 | testImplementation 'junit:junit:4.12' 31 | androidTestImplementation 'com.android.support.test:runner:1.0.2' 32 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2' 33 | } 34 | -------------------------------------------------------------------------------- /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 22 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/example/android/waves/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.example.android.waves 2 | 3 | import android.support.test.InstrumentationRegistry 4 | import android.support.test.runner.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getTargetContext() 22 | assertEquals("com.example.android.waves", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/android/waves/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.android.waves 2 | 3 | import android.support.v7.app.AppCompatActivity 4 | import android.os.Bundle 5 | 6 | class MainActivity : AppCompatActivity() { 7 | 8 | override fun onCreate(savedInstanceState: Bundle?) { 9 | super.onCreate(savedInstanceState) 10 | setContentView(R.layout.activity_main) 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/android/waves/WaveTiltSensor.kt: -------------------------------------------------------------------------------- 1 | package com.example.android.waves 2 | 3 | import android.content.Context 4 | import android.hardware.Sensor 5 | import android.hardware.SensorEvent 6 | import android.hardware.SensorEventListener 7 | import android.hardware.SensorManager 8 | 9 | interface TiltListener { 10 | 11 | fun onTilt(pitchRollRad: Pair) 12 | } 13 | 14 | interface TiltSensor { 15 | 16 | fun addListener(tiltListener: TiltListener) 17 | 18 | fun register() 19 | 20 | fun unregister() 21 | } 22 | 23 | class WaveTiltSensor(context: Context) : SensorEventListener, TiltSensor { 24 | 25 | private val sensorManager: SensorManager 26 | private val accSensor: Sensor 27 | private val magneticSensor: Sensor 28 | private var listeners = mutableListOf() 29 | 30 | private val rotationMatrix = FloatArray(9) 31 | private val accelerometerValues = FloatArray(3) 32 | private val magneticValues = FloatArray(3) 33 | private val orientationAngles = FloatArray(3) 34 | 35 | init { 36 | sensorManager = context.getSystemService(Context.SENSOR_SERVICE) as SensorManager 37 | accSensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER) 38 | magneticSensor = sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD) 39 | } 40 | 41 | override fun onAccuracyChanged(sensor: Sensor, accuracy: Int) { 42 | // Do nothing here 43 | } 44 | 45 | override fun onSensorChanged(event: SensorEvent) { 46 | if (event.sensor.type == Sensor.TYPE_ACCELEROMETER) { 47 | System.arraycopy(event.values, 0, accelerometerValues, 0, accelerometerValues.size) 48 | } else if (event.sensor.type == Sensor.TYPE_MAGNETIC_FIELD) { 49 | System.arraycopy(event.values, 0, magneticValues, 0, magneticValues.size) 50 | } 51 | 52 | SensorManager.getRotationMatrix(rotationMatrix, null, accelerometerValues, magneticValues) 53 | SensorManager.getOrientation(rotationMatrix, orientationAngles) 54 | 55 | val pitchInRad = orientationAngles[1].toDouble() 56 | val rollInRad = orientationAngles[2].toDouble() 57 | 58 | val pair = Pair(pitchInRad, rollInRad) 59 | listeners.forEach { 60 | it.onTilt(pair) 61 | } 62 | } 63 | 64 | override fun addListener(tiltListener: TiltListener) { 65 | listeners.add(tiltListener) 66 | } 67 | 68 | override fun register() { 69 | sensorManager.registerListener(this, accSensor, SensorManager.SENSOR_DELAY_UI) 70 | sensorManager.registerListener(this, magneticSensor, SensorManager.SENSOR_DELAY_UI) 71 | } 72 | 73 | override fun unregister() { 74 | listeners.clear() 75 | sensorManager.unregisterListener(this, accSensor) 76 | sensorManager.unregisterListener(this, magneticSensor) 77 | } 78 | } 79 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/android/waves/WavesView.kt: -------------------------------------------------------------------------------- 1 | package com.example.android.waves 2 | 3 | import android.animation.ValueAnimator 4 | import android.content.Context 5 | import android.graphics.Canvas 6 | import android.graphics.Color 7 | import android.graphics.Matrix 8 | import android.graphics.Paint 9 | import android.graphics.Paint.ANTI_ALIAS_FLAG 10 | import android.graphics.Path 11 | import android.graphics.PointF 12 | import android.graphics.PorterDuff 13 | import android.graphics.PorterDuffXfermode 14 | import android.graphics.RadialGradient 15 | import android.graphics.Shader 16 | import android.util.AttributeSet 17 | import android.view.View 18 | import android.view.animation.LinearInterpolator 19 | 20 | class WavesView 21 | @JvmOverloads 22 | constructor(context: Context, 23 | attrs: AttributeSet? = null, 24 | defStyleAttr: Int = R.attr.wavesViewStyle 25 | ) : View(context, attrs, defStyleAttr), TiltListener { 26 | 27 | private val wavePaint: Paint 28 | private val waveGap: Float 29 | private val wavePath = Path() 30 | private val gradientPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply { 31 | // Highlight only the areas already touched on the canvas 32 | xfermode = PorterDuffXfermode(PorterDuff.Mode.SRC_IN) 33 | } 34 | // gradient colors 35 | private val green = Color.GREEN 36 | // solid green in the center, transparent green at the edges 37 | private val gradientColors = 38 | intArrayOf(green, modifyAlpha(green, 0.80f), 39 | modifyAlpha(green, 0.05f)) 40 | private val gradientMatrix = Matrix() 41 | val tiltSensor = WaveTiltSensor(context) 42 | 43 | private var maxRadius = 0f 44 | private var center = PointF(0f, 0f) 45 | private var initialRadius = 0f 46 | 47 | private var waveAnimator: ValueAnimator? = null 48 | private var waveRadiusOffset = 0f 49 | set(value) { 50 | field = value 51 | postInvalidateOnAnimation() 52 | } 53 | 54 | init { 55 | val attrs = context.obtainStyledAttributes(attrs, R.styleable.WavesView, defStyleAttr, 0) 56 | 57 | //init paint with custom attrs 58 | wavePaint = Paint(ANTI_ALIAS_FLAG).apply { 59 | color = attrs.getColor(R.styleable.WavesView_waveColor, 0) 60 | strokeWidth = attrs.getDimension(R.styleable.WavesView_waveStrokeWidth, 0f) 61 | style = Paint.Style.STROKE 62 | } 63 | 64 | waveGap = attrs.getDimension(R.styleable.WavesView_waveGap, 50f) 65 | attrs.recycle() 66 | } 67 | 68 | override fun onTilt(pitchRollRad: Pair) { 69 | val pitchRad = pitchRollRad.first 70 | val rollRad = pitchRollRad.second 71 | 72 | // Use half view height/width to calculate offset instead of full view/device measurement 73 | val maxYOffset = center.y.toDouble() 74 | val maxXOffset = center.x.toDouble() 75 | 76 | val yOffset = (Math.sin(pitchRad) * maxYOffset) 77 | val xOffset = (Math.sin(rollRad) * maxXOffset) 78 | 79 | updateGradient(xOffset.toFloat() + center.x, yOffset.toFloat() + center.y) 80 | } 81 | 82 | private fun updateGradient(x: Float, y: Float) { 83 | gradientMatrix.setTranslate(x - center.x, y - center.y) 84 | gradientPaint.shader.setLocalMatrix(gradientMatrix) 85 | postInvalidateOnAnimation() 86 | } 87 | 88 | override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) { 89 | //set the center of all circles to be center of the view 90 | center.set(w / 2f, h / 2f) 91 | maxRadius = Math.hypot(center.x.toDouble(), center.y.toDouble()).toFloat() * 1.3f 92 | initialRadius = w / waveGap 93 | 94 | //Create gradient after getting sizing information 95 | gradientPaint.shader = RadialGradient( 96 | center.x, center.y, w / 2f, 97 | gradientColors, null, Shader.TileMode.CLAMP 98 | ) 99 | } 100 | 101 | override fun onAttachedToWindow() { 102 | super.onAttachedToWindow() 103 | waveAnimator = ValueAnimator.ofFloat(0f, waveGap).apply { 104 | addUpdateListener { 105 | waveRadiusOffset = it.animatedValue as Float 106 | } 107 | duration = 1500L 108 | repeatMode = ValueAnimator.RESTART 109 | repeatCount = ValueAnimator.INFINITE 110 | interpolator = LinearInterpolator() 111 | start() 112 | } 113 | 114 | tiltSensor.addListener(this) 115 | tiltSensor.register() 116 | } 117 | 118 | override fun onDetachedFromWindow() { 119 | waveAnimator?.cancel() 120 | tiltSensor.unregister() 121 | super.onDetachedFromWindow() 122 | } 123 | 124 | override fun onDraw(canvas: Canvas) { 125 | super.onDraw(canvas) 126 | 127 | //draw circles separated by a space the size of waveGap 128 | var currentRadius = initialRadius + waveRadiusOffset 129 | while (currentRadius < maxRadius) { 130 | val path = createStarPath(currentRadius, wavePath) 131 | canvas.drawPath(path, wavePaint) 132 | currentRadius += waveGap 133 | } 134 | 135 | canvas.drawPaint(gradientPaint) 136 | } 137 | 138 | private fun createStarPath( 139 | radius: Float, 140 | path: Path = Path(), 141 | points: Int = 20 142 | ): Path { 143 | path.reset() 144 | val pointDelta = 0.7f // difference between the "far" and "close" points from the center 145 | val angleInRadians = 2.0 * Math.PI / points // essentially 360/20 or 18 degrees, angle each line should be drawn 146 | val startAngleInRadians = 0.0 //starting to draw star at 0 degrees 147 | 148 | //move pointer to 0 degrees relative to the center of the screen 149 | path.moveTo( 150 | center.x + (radius * pointDelta * Math.cos(startAngleInRadians)).toFloat(), 151 | center.y + (radius * pointDelta * Math.sin(startAngleInRadians)).toFloat() 152 | ) 153 | 154 | //create a line between all the points in the star 155 | for (i in 1 until points) { 156 | val hypotenuse = if (i % 2 == 0) { 157 | //by reducing the distance from the circle every other points, we create the "dip" in the star 158 | pointDelta * radius 159 | } else { 160 | radius 161 | } 162 | 163 | val nextPointX = center.x + (hypotenuse * Math.cos(startAngleInRadians - angleInRadians * i)).toFloat() 164 | val nextPointY = center.y + (hypotenuse * Math.sin(startAngleInRadians - angleInRadians * i)).toFloat() 165 | path.lineTo(nextPointX, nextPointY) 166 | } 167 | 168 | path.close() 169 | return path 170 | } 171 | 172 | private fun modifyAlpha(color: Int, alpha: Float): Int { 173 | return color and 0x00ffffff or ((alpha * 255).toInt() shl 24) 174 | } 175 | } 176 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 14 | 15 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexio/Android-AnimatedWaveView/1ef4dff1f40a4b77ad310b2ed2c5c61172156f07/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexio/Android-AnimatedWaveView/1ef4dff1f40a4b77ad310b2ed2c5c61172156f07/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/values/attrs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #008577 4 | #00574B 5 | #D81B60 6 | #000 7 | 8 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | WaveView 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 16 | 17 | -------------------------------------------------------------------------------- /app/src/test/java/com/example/android/waves/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.example.android.waves 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | ext.kotlin_version = '1.2.61' 5 | repositories { 6 | google() 7 | jcenter() 8 | } 9 | dependencies { 10 | classpath 'com.android.tools.build:gradle:3.2.0-rc03' 11 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 12 | 13 | // NOTE: Do not place your application dependencies here; they belong 14 | // in the individual module build.gradle files 15 | } 16 | } 17 | 18 | allprojects { 19 | repositories { 20 | google() 21 | jcenter() 22 | } 23 | } 24 | 25 | task clean(type: Delete) { 26 | delete rootProject.buildDir 27 | } 28 | -------------------------------------------------------------------------------- /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=-Xmx1536m 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 | 15 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexio/Android-AnimatedWaveView/1ef4dff1f40a4b77ad310b2ed2c5c61172156f07/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-4.6-all.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | --------------------------------------------------------------------------------