build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
ext {
    compileSdkVersion = 28
    supportLibVersion = "28.0.0"
    kotlinVersion = '1.3.10'
}

buildscript {
    repositories {
        maven { url 'https://maven.fabric.io/public' }
        google()
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.4.0-beta05'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.21"
    }

}

allprojects {
    repositories {
        mavenCentral()
        maven { url "https://jitpack.io" }
        maven { url 'https://maven.fabric.io/public' }
        google()
        jcenter()
    }
}

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