build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = "1.4.10"
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:7.0.4'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files

        // firebase
        classpath 'com.google.gms:google-services:4.3.10'
        // Add the Crashlytics Gradle plugin
        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.8.1'
    }
}

allprojects {
    repositories {
        google()
        jcenter()

        // kakao login
        maven { url 'https://devrepo.kakao.com/nexus/content/groups/public/'}
    }
}

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