android stadio 编译报错：download fastutil-7.2.0.jar

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在Ubuntu上面，新安装的stadio，第一次编译项目的时候，

一直开在下载 fastutil-7.2.0.jar

原因是需要翻墙。那么改一下你的buil.gradle

buildscript {

    repositories {

        maven{ url = \"http://maven.aliyun.com/nexus/content/groups/public/\" }

        google()

        jcenter()

    }

    dependencies {

        classpath \'com.android.tools.build:gradle:3.1.2\'

        // 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/\" }

        google()

        jcenter()

    }

}

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