buildscript { repositories { mavenLocal() jcenter() google() } dependencies { classpath 'com.android.tools.build:gradle:4.1.0' classpath 'com.github.axet:gradle-android-dx:0.0.4' } } allprojects { repositories { mavenLocal() jcenter() google() } } task clean(type: Delete) { delete rootProject.buildDir } def prop(String name) { project.hasProperty(name) ? project.getProperty(name) : null }