buildscript { ext.kotlin_version = "1.5.10" repositories { google() mavenCentral() } dependencies { classpath "com.android.tools.build:gradle:4.2.1" classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files } } allprojects { repositories { google() mavenCentral() jcenter() } } task clean(type: Delete) { delete rootProject.buildDir }