buildscript { repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.6.3' } } allprojects { repositories { google() jcenter() maven { url 'https://jitpack.io' } } } task clean(type: Delete) { delete rootProject.buildDir } wrapper { gradleVersion = "5.6" distributionType = Wrapper.DistributionType.ALL }