build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = "1.4.0"
    repositories {
        google()
        jcenter()
        maven { url "https://plugins.gradle.org/m2/" }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.1.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "org.jlleitschuh.gradle:ktlint-gradle:9.3.0"
        classpath 'com.google.gms:google-services:4.3.3'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        mavenCentral()
        google()
        jcenter()
        
        // naver map
        maven{
            //url 'https://navercorp.bintray.com/maps'
            url "https://maven.google.com" // Google's Maven repository
        }
        maven{
            url 'https://dl.bintray.com/a6214123/maven'
        }
    }
}

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