buildscript {
    repositories {
        google()
        maven{url'http://maven.aliyun.com/nexus/content/groups/public/'}
        
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.4.2'
    }
}

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

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