build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    ext.kotlin_version = '1.3.61'

    ext {
        kotlin_version = '1.3.61'
        nav_version = "2.1.0"
        androidStudio_version = "3.5.3"
    }

    repositories {
        jcenter()
        google()
    }

    dependencies {
        classpath "com.android.tools.build:gradle:${androidStudio_version}"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version"
        classpath "org.jetbrains.kotlin:kotlin-allopen:$kotlin_version"

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

allprojects {
    repositories {
        google()
        jcenter()
    }
}

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