使用 Android Studio 开发时经常遇到编译卡住的问题，原因是 Gradle 下载依赖资源过慢。没办法，有长城在，还是得换镜像。

同样，这是个普遍存在的问题，我们希望可以对它进行全局配置。在 .gradle （路径参考 C:\Users\username\.gradle ）目录下新增 init.gradle 文件，内容如下：

allprojects{ repositories { def ALIYUN_REPOSITORY_URL = 'http://maven.aliyun.com/nexus/content/groups/public' def ALIYUN_JCENTER_URL = 'http://maven.aliyun.com/nexus/content/repositories/jcenter' all { ArtifactRepository repo -> if(repo instanceof MavenArtifactRepository){ def url = repo.url.toString() if (url.startsWith('https://repo1.maven.org/maven2') || url.startsWith('http://repo1.maven.org/maven2')) { project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_REPOSITORY_URL." remove repo } if (url.startsWith('https://jcenter.bintray.com/') || url.startsWith('http://jcenter.bintray.com/')) { project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_JCENTER_URL." remove repo } } } maven { url ALIYUN_REPOSITORY_URL url ALIYUN_JCENTER_URL } } buildscript{ repositories { def ALIYUN_REPOSITORY_URL = 'http://maven.aliyun.com/nexus/content/groups/public' def ALIYUN_JCENTER_URL = 'http://maven.aliyun.com/nexus/content/repositories/jcenter' all { ArtifactRepository repo -> if(repo instanceof MavenArtifactRepository){ def url = repo.url.toString() if (url.startsWith('https://repo1.maven.org/maven2') || url.startsWith('http://repo1.maven.org/maven2')) { project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_REPOSITORY_URL." remove repo } if (url.startsWith('https://jcenter.bintray.com/') || url.startsWith('http://jcenter.bintray.com/')) { project.logger.lifecycle "Repository ${repo.url} replaced by $ALIYUN_JCENTER_URL." remove repo } } } maven { url ALIYUN_REPOSITORY_URL url ALIYUN_JCENTER_URL } } }}

如只需对单个项目进行配置，可以在项目根目录下的 build.gradle 文件中添加如下代码：

maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }maven { url 'http://maven.aliyun.com/nexus/content/repositories/jcenter' }maven { url 'http://maven.aliyun.com/nexus/content/repositories/google' }maven { url 'http://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }

搞定，下载速度飞起~

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