SubwayTooter-Android-App/build.gradle

buildscript {

    ext.kotlin_version = '1.2.31'
    ext.kotlin_coroutines_version = '0.21.2'
    ext.anko_version='0.10.4'

    repositories {
        jcenter()
        mavenCentral()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.0'
        classpath 'com.google.gms:google-services:3.0.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
    repositories {
        jcenter()
        maven { url 'https://maven.google.com' }
        maven { url 'https://jitpack.io' }
        google()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}