// Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { ext.kotlin_version = '1.3.71' repositories { maven { url 'https://maven.aliyun.com/repository/google' } maven { url 'https://maven.aliyun.com/repository/jcenter' } maven { url 'http://maven.aliyun.com/nexus/content/groups/public' } maven { url 'https://plugins.gradle.org/m2/' } } dependencies { classpath 'com.android.tools.build:gradle:3.5.3' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" } } allprojects { repositories { mavenCentral() google() jcenter() maven { url 'https://jitpack.io' } } } task clean(type: Delete) { delete rootProject.buildDir }