build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply from:"config.gradle"
buildscript {
    
    repositories {
        google()//新增
        jcenter()
        maven {
            url "https://maven.google.com"
        }
        maven {
            url 'https://jitpack.io'
        }

    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.1.0'

        classpath 'com.google.gms:google-services:4.0.1'  //这行对谷歌服务库进行依赖
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()//新增
        jcenter()
        mavenCentral()//新增
        maven {url 'https://dl.bintray.com/jetbrains/anko'}//新增
        maven {
            url "https://maven.google.com"
        }
        maven {
            url 'https://jitpack.io'
        }

    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}