buildscript { ext.kotlin_version = '1.3.72' repositories { google() jcenter() mavenCentral() } dependencies { classpath 'com.android.tools.build:gradle:4.0.0' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" classpath 'org.greenrobot:greendao-gradle-plugin:3.3.0' } } allprojects { repositories { google() jcenter() mavenCentral() maven { url 'https://jitpack.io' } } } task clean(type: Delete) { delete rootProject.buildDir }