├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── 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 │ │ │ │ ├── colors.xml │ │ │ │ ├── strings.xml │ │ │ │ └── styles.xml │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ ├── layout │ │ │ │ └── activity_main.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── AndroidManifest.xml │ │ └── java │ │ │ └── andreabresolin │ │ │ └── kotlincoroutinestests │ │ │ └── MainActivity.kt │ ├── test │ │ └── java │ │ │ └── andreabresolin │ │ │ └── kotlincoroutinestests │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── andreabresolin │ │ └── kotlincoroutinestests │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── settings.gradle ├── .gitignore ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradle.properties ├── README.md ├── gradlew.bat ├── gradlew └── LICENSE /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/ 5 | .DS_Store 6 | /build 7 | /captures 8 | .externalNativeBuild 9 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/andreabresolin/KotlinCoroutinesTests/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/andreabresolin/KotlinCoroutinesTests/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/andreabresolin/KotlinCoroutinesTests/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png 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/app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Tue Mar 20 19:18:56 GMT 2018 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip 7 | -------------------------------------------------------------------------------- /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/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | Kotlin Coroutines Tests 3 | 4 | Test coroutines 5 | Test asyncs in coroutine 6 | Test RxJava 7 | 8 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/andreabresolin/kotlincoroutinestests/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package andreabresolin.kotlincoroutinestests 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 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | org.gradle.jvmargs=-Xmx1536m 13 | 14 | # When configured, Gradle will run in incubating parallel mode. 15 | # This option should only be used with decoupled projects. More details, visit 16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 17 | # org.gradle.parallel=true 18 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /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/andreabresolin/kotlincoroutinestests/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package andreabresolin.kotlincoroutinestests 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("andreabresolin.kotlincoroutinestests", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Kotlin Coroutines Tests 2 | 3 | Simple tests to check the performance of [Kotlin coroutines](https://kotlinlang.org/docs/reference/coroutines.html) in Android. 4 | 5 | The main purpose of this project is to test: 6 | 7 | - execution time 8 | - CPU usage 9 | - memory usage 10 | 11 | The CPU and memory usage can be tested with the help of the [Android Profiler](https://developer.android.com/studio/profile/index.html) in Android Studio. 12 | 13 | An analysis of some of the results obtained with this code can be found in the Medium post [Kotlin coroutines vs RxJava: an initial performance test](https://medium.com/@andrea.bresolin/kotlin-coroutines-vs-rxjava-an-initial-performance-test-68160cfc6723). 14 | 15 | 16 | ## License 17 | 18 | ``` 19 | Copyright 2018 Andrea Bresolin 20 | 21 | Licensed under the Apache License, Version 2.0 (the "License"); 22 | you may not use this file except in compliance with the License. 23 | You may obtain a copy of the License at 24 | 25 | http://www.apache.org/licenses/LICENSE-2.0 26 | 27 | Unless required by applicable law or agreed to in writing, software 28 | distributed under the License is distributed on an "AS IS" BASIS, 29 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 30 | See the License for the specific language governing permissions and 31 | limitations under the License. 32 | ``` -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | apply plugin: 'kotlin-android' 3 | apply plugin: 'kotlin-android-extensions' 4 | apply plugin: 'kotlin-kapt' 5 | 6 | kotlin { 7 | experimental { 8 | coroutines 'enable' 9 | } 10 | } 11 | 12 | android { 13 | compileSdkVersion 27 14 | defaultConfig { 15 | applicationId "andreabresolin.kotlincoroutinestests" 16 | minSdkVersion 24 17 | targetSdkVersion 27 18 | versionCode 1 19 | versionName "1.0" 20 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 21 | } 22 | buildTypes { 23 | release { 24 | minifyEnabled false 25 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 26 | } 27 | } 28 | } 29 | 30 | ext { 31 | support_library_version = '27.1.0' 32 | constraint_layout_version = '1.0.2' 33 | kotlin_coroutines_version = '0.22.5' 34 | rxjava_version = '2.1.11' 35 | rxandroid_version = '2.0.2' 36 | } 37 | 38 | dependencies { 39 | implementation fileTree(dir: 'libs', include: ['*.jar']) 40 | implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version" 41 | implementation "com.android.support:appcompat-v7:$support_library_version" 42 | implementation "com.android.support.constraint:constraint-layout:$constraint_layout_version" 43 | testImplementation "junit:junit:4.12" 44 | androidTestImplementation 'com.android.support.test:runner:1.0.1' 45 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1' 46 | 47 | // Kotlin coroutines 48 | implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version" 49 | implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version" 50 | 51 | // RxJava 52 | implementation "io.reactivex.rxjava2:rxjava:$rxjava_version" 53 | implementation "io.reactivex.rxjava2:rxandroid:$rxandroid_version" 54 | } 55 | -------------------------------------------------------------------------------- /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/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 |