buildscript {

    repositories {

        // 添加阿里云 maven 地址

        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }

        maven { url 'http://maven.aliyun.com/nexus/content/repositories/jcenter' }

        google()

        jcenter()

    }

    dependencies {

        classpath 'com.android.tools.build:gradle:3.5.0'

    }

}

allprojects {

    repositories {

        // 添加阿里云 maven 地址

        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }

        maven { url 'http://maven.aliyun.com/nexus/content/repositories/jcenter' }

        google()

        jcenter()

        maven { url 'https://jitpack.io' }

    }

}

task clean(type: Delete) {

    delete rootProject.buildDir

}