init.gradle

def repoConfig = {
    all { ArtifactRepository repo ->
        if (repo instanceof MavenArtifactRepository) {
            def url = repo.url.toString()
            if (url.contains('repo1.maven.org/maven2') 
                || url.contains('jcenter.bintray.com') 
                || url.contains('dl.google.com/dl/android/maven2') 
                || url.contains('plugins.gradle.org/m2/')) {
                println "gradle init: (${repo.name}: ${repo.url}) removed"
                remove repo
            }
        }
    }

    maven { url 'https://maven.aliyun.com/repository/central' }
    maven { url 'https://maven.aliyun.com/repository/jcenter' }
    maven { url 'https://maven.aliyun.com/repository/public' }
    maven { url 'https://maven.aliyun.com/repository/google' }
    maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
}

allprojects {
    buildscript {
        repositories repoConfig
    }

    repositories repoConfig
}