无法上外网又需要同步Gradle

如果你只能上国内的网站，然后你又需要sync gradle，那你需要加标红的内容，再sync就能成功 buildscript { repositories { maven { url "https://maven.aliyun.com/repository/jcenter" } maven { url "https://maven.aliyun.com/repository/google" } google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.4.1' } } allprojects { repositories { maven { url "https://maven.aliyun.com/repository/jcenter" } maven { url "https://maven.aliyun.com/repository/google" } jcenter() google() } }