// Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { repositories { jcenter() google() } dependencies { classpath('com.android.tools.build:gradle:3.1.4') { force = true } // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files } } allprojects { repositories { jcenter() google() } } task clean(type: Delete) { delete rootProject.buildDir }