这是找不到相关地址下载。

1 旧版的

其实增加阿里云的镜像地址即可，在项目的根目录下的build.gradle增加如下代码：

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/google' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
        jcenter()
        maven { url "https://jitpack.io" }
    }
}

allprojects {
    repositories {
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/google' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
        jcenter()
        maven { url "https://jitpack.io" }
    }
}

2 新版的

如果是新版的配置文件，配置地方变化了。在项目的根目录下的settings.gradle修改相关代码如下：

pluginManagement {
    repositories {
        gradlePluginPortal()
        google()
        mavenCentral()
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/google' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
        maven { url "https://jitpack.io" }
    }
}
dependencyResolutionManagement {
    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
    repositories {
        google()
        mavenCentral()
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/google' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
        maven { url "https://jitpack.io" }
    }
}
rootProject.name = "My Application"
include ':app'