buildscript { ext.kotlin_version = '1.3.50' repositories { google() jcenter() // maven { // url "https://dl.bintray.com/kotlin/kotlin-eap/" // } } dependencies { classpath 'com.android.tools.build:gradle:3.5.4' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" classpath 'com.google.gms:google-services:4.3.8' } } allprojects { repositories { google() // jcenter() mavenCentral() } } rootProject.buildDir = '../build' subprojects { project.buildDir = "${rootProject.buildDir}/${project.name}" } subprojects { project.evaluationDependsOn(':app') } task clean(type: Delete) { delete rootProject.buildDir }