build.gradle

buildscript {
    ext.kotlin_version = '1.3.30'

    repositories {
        jcenter()
        mavenCentral()
        google()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.4.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

repositories {
    jcenter()
    mavenCentral()
    google()
}

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'

android {
    compileSdkVersion 28
    buildToolsVersion "28.0.3"

    defaultConfig {
        minSdkVersion 18
        targetSdkVersion 28
        versionCode 1
        versionName "1.0.0"
        applicationId "com.example"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    packagingOptions {
        exclude 'LICENSE.txt'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
        test.java.srcDirs += 'src/test/kotlin'
        androidTest.java.srcDirs += 'src/androidTest/kotlin'
    }

    testOptions {
        unitTests {
            includeAndroidResources = true
        }
    }
    lintOptions {
        disable("GoogleAppIndexingWarning")
    }
}

dependencies {
    // Kotlin
    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"

    // Robolectric
    testImplementation 'junit:junit:4.12'
    //No necessary to import hamcrest, which has already been included by robolectric internal.
    //testImplementation 'org.hamcrest:hamcrest-library:1.3'
    testImplementation 'org.robolectric:robolectric:4.2'

    //AndroidX.text for UnitTest
    testImplementation 'androidx.test:core:1.1.0'
    testImplementation 'androidx.test.ext:junit:1.1.0'
    testImplementation 'androidx.test:runner:1.1.1'
    testImplementation 'androidx.test:rules:1.1.1'

    //AndroidX.test for InstrumentationTest
    androidTestImplementation 'androidx.test:core:1.1.0'
    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
    androidTestImplementation 'androidx.test:runner:1.1.1'
    androidTestImplementation 'androidx.test:rules:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
}