gradle配置国内镜像的实现

buildscript {
  repositories {
    maven { url 'https://maven.aliyun.com/repository/google/' }
    maven { url 'https://maven.aliyun.com/repository/jcenter/'}
  }
  dependencies {
    classpath 'com.android.tools.build:gradle:2.2.3'

    // NOTE: Do not place your application dependencies here; they belong
    // in the individual module build.gradle files
  }    
}

allprojects {
  repositories {
    maven { url 'https://maven.aliyun.com/repository/google/' }
    maven { url 'https://maven.aliyun.com/repository/jcenter/'}
  }
}

allprojects{
  repositories {
    def ALIYUN_REPOSITORY_URL = 'https://maven.aliyun.com/repository/public/'
    def ALIYUN_JCENTER_URL = 'https://maven.aliyun.com/repository/jcenter/'
    def ALIYUN_GOOGLE_URL = 'https://maven.aliyun.com/repository/google/'
    def ALIYUN_GRADLE_PLUGIN_URL = 'https://maven.aliyun.com/repository/gradle-plugin/'
    all { ArtifactRepository repo ->
      if(repo instanceof MavenArtifactRepository){
        def url = repo.url.toString()
        if (url.startsWith('https://repo1.maven.org/maven2/')) {
          project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_REPOSITORY_URL."
          remove repo
        }
        if (url.startsWith('https://jcenter.bintray.com/')) {
          project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_JCENTER_URL."
          remove repo
        }
        if (url.startsWith('https://dl.google.com/dl/android/maven2/')) {
          project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_GOOGLE_URL."
          remove repo
        }
        if (url.startsWith('https://plugins.gradle.org/m2/')) {
          project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_GRADLE_PLUGIN_URL."
          remove repo
        }
      }
    }
    maven { url ALIYUN_REPOSITORY_URL }
    maven { url ALIYUN_JCENTER_URL }
    maven { url ALIYUN_GOOGLE_URL }
    maven { url ALIYUN_GRADLE_PLUGIN_URL }
  }
}