build.gradle

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

buildscript {
    ext.kotlin_version = '1.2.50'
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath Deps.kotlinGradlePlugin
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.android.tools.build:gradle:3.1.3'
        // NOTE: Do not place your application dependencies here; they belong

    }
}

allprojects {
    repositories {
        google()
        jcenter()
        mavenCentral()
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
        maven { url "https://jitpack.io" }

        gradle.projectsEvaluated {
            tasks.withType(JavaCompile) {
                options.compilerArgs << "-Xlint:deprecation"
            }
        }
    }
}

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