build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
project.ext {
  compileSdkVersion = 27
  buildToolsVersion = "27.0.2"
  applicationId = "com.jaygoo.demo"
  minSdkVersion = 16
  targetSdkVersion = 27
  versionCode = 8
  versionName = "2.1.0"
}

buildscript {

    repositories {
        google()
        jcenter()
        maven{ url'http://maven.aliyun.com/nexus/content/groups/public/' }
        maven{ url'http://maven.aliyun.com/nexus/content/repositories/jcenter'}
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.0'
        classpath "com.github.dcendents:android-maven-gradle-plugin:2.0"
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
  repositories {
    jcenter()
    google()
    maven { url "https://jitpack.io" }
  }
}

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