build.gradle

// 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 'http://maven.aliyun.com/nexus/content/repositories/jcenter'
//        }
        mavenCentral()
        jcenter()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.3.1'
        classpath 'com.novoda:bintray-release:0.9+'
    }
}

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