build.gradle

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

buildscript {
    ext.kotlin_version = '1.3.72'
    repositories {
        google()
        jcenter()
        
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.0.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'androidx.navigation:navigation-safe-args-gradle-plugin:2.3.0'
        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
    }
}

ext.getSecretProperty = { key, defaultValue ->
    def value = System.getenv(key)

    if (value == null) {
        Properties properties = new Properties()
        if (project.rootProject.file('local.properties').exists()) {
            properties.load(project.rootProject.file('local.properties').newDataInputStream())
            value = properties.getProperty(key)
        }
    }

    if (value == null) {
        value = defaultValue
    }

    return value
}

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

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