// Top-level build file where you can add configuration options common to all sub-projects/modules. buildDir = "@builddir@/build" buildscript { repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.4.1' // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files } } allprojects { repositories { google() jcenter() } } task clean(type: Delete) { delete rootProject.buildDir } afterEvaluate { clean.dependsOn(':lib:clean') }