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前言

今天在运行一个demo的时候 一直下载超时 也设置了阿里云的镜像 还是不行

错误提示

Caused by: org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration$ArtifactResolveException: Could not resolve all artifacts for configuration ‘:classpath’.

解决方法

在app build.gradle里 查看配置 看看是不是配置了google的下载地址

maven {            url "https://maven.google.com"        }

添加阿里云镜像

maven { url 'http://maven.aliyun.com/nexus/content/groups/public/'}        maven { url'https://maven.aliyun.com/repository/public/' }        maven { url'https://maven.aliyun.com/repository/google/' }        maven { url'https://maven.aliyun.com/repository/jcenter/' }        maven { url'https://maven.aliyun.com/repository/central/'}

全部配置代码

buildscript {    repositories {        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/'}        maven { url'https://maven.aliyun.com/repository/public/' }        maven { url'https://maven.aliyun.com/repository/google/' }        maven { url'https://maven.aliyun.com/repository/jcenter/' }        maven { url'https://maven.aliyun.com/repository/central/'}            }    dependencies {        classpath 'com.android.tools.build:gradle:3.4.2'                // NOTE: Do not place your application dependencies here; they belong        // in the individual module build.gradle files    }}allprojects {    repositories {        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/'}        maven { url'https://maven.aliyun.com/repository/public/' }        maven { url'https://maven.aliyun.com/repository/google/' }        maven { url'https://maven.aliyun.com/repository/jcenter/' }        maven { url'https://maven.aliyun.com/repository/central/'}                   }}

总结

要心细，心细，心细！

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