// 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:3.0.1' // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files classpath 'com.jakewharton:butterknife-gradle-plugin:8.4.0' } } allprojects { repositories { jcenter() google() maven { url "https://maven.google.com" } ivy { url 'https://github.com/' layout 'pattern', { artifact '/[organisation]/[module]/archive/[revision].[ext]' } } } } task clean(type: Delete) { delete rootProject.buildDir }