修改build.gradle文件
// Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { repositories { google() //添加镜像 maven{ url = "http://maven.aliyun.com/nexus/content/groups/public/" } jcenter() } dependencies { classpath "com.android.tools.build:gradle:4.2.1" // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files } } allprojects { repositories { google() //添加镜像 maven{ url = "http://maven.aliyun.com/nexus/content/groups/public/" } jcenter() // Warning: this repository is going to shut down soon } } task clean(type: Delete) { delete rootProject.buildDir }