1. pom.xml

<mirrors>   
     <mirror>
        <id>alimaven</id>
        <name>aliyun maven</name>
        <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
        <mirrorOf>central</mirrorOf>
    </mirror>
    <mirror>
        <id>central</id>
        <name>Maven Repository Switchboard</name>
        <url>http://repo1.maven.org/maven2/</url>
        <mirrorOf>central</mirrorOf>
    </mirror>
    <mirror>
        <id>repo2</id>
        <mirrorOf>central</mirrorOf>
        <name>Human Readable Name for this Mirror.</name>
        <url>http://repo2.maven.org/maven2/</url>
    </mirror>
    <mirror>
        <id>ibiblio</id>
        <mirrorOf>central</mirrorOf>
        <name>Human Readable Name for this Mirror.</name>
        <url>http://mirrors.ibiblio.org/pub/mirrors/maven2/</url>
    </mirror>
    <mirror>
        <id>jboss-public-repository-group</id>
        <mirrorOf>central</mirrorOf>
        <name>JBoss Public Repository Group</name>
        <url>http://repository.jboss.org/nexus/content/groups/public</url>
    </mirror>
   <mirror>
        <id>google</id>
        <name>google maven</name>
        <url>https://maven.google.com/</url>
        <mirrorOf>central</mirrorOf>
    </mirror>
    <! -- Mirror image of central Warehouse in China -->
    <mirror>
        <id>maven.net.cn</id>
        <name>oneof the central mirrors in china</name>
        <url>http://maven.net.cn/content/groups/public/</url>
        <mirrorOf>central</mirrorOf>
    </mirror>
</mirrors>
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Modify warehouse location in POM.xml:

<repositories>
    <repository>
        <! Maven uses the central repository Id central to override the configuration of the central repository if other repository declarations also use this Id. 
　　　　  <id>mvnrepository</id>
        <name>mvnrepository</name>
        <url>http://www.mvnrepository.com/</url>
        <layout>default</layout>
        <releases>
            <enabled>true</enabled>
        </releases>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>
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2. Android

In Android development, the storehouse being walled can cause Gradle to get stuck in Gradle Download at build time…

Solution:

Here use the address of ali Cloud’s domestic mirror warehouse, modify Project build.gradle:

buildscript {
    repositories {
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
    }
}

allprojects {
    repositories {
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
    }
}
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