build.gradle

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

buildscript {
    ext {
        kotlin_version = '1.4.32'
        life_cycle_extension_version = '1.1.1'
        support_version = '28.0.0'
        retrofit_version = '2.3.0'
        glide_version = '4.9.0'
        rxJava_version = '2.1.1'
        room_version = '2.1.0-rc01'
        nav_version = '2.1.0-alpha05'
        preferences_version = '1.0.0'

    }
    repositories {
        google()
        jcenter()
        
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.2.2'
        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

        //added
        classpath "androidx.navigation:navigation-safe-args-gradle-plugin:2.1.0-alpha05"
    }
}

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

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