AndroidStudio Gradle下载速度慢解决方法

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        maven{url ‘http://maven.aliyun.com/nexus/content/groups/public/‘}
        maven { url "https://jitpack.io" }
        google()
//        jcenter()
    }
    dependencies {
        classpath ‘com.android.tools.build:gradle:3.1.2‘
    }
}

allprojects {
    repositories {
//        jcenter()
        maven{url ‘http://maven.aliyun.com/nexus/content/groups/public/‘}
        google()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}