build.gradle

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

buildscript {

  ext {
    versions = [
        // SDK
        compileSdk      : 29,
        targetSdk       : 29,
        minSdk          : 15,

        // TOOLS
        kotlin          : '1.3.50',
        gradle          : '3.5.0',

        // CORE
        core            : '1.1.0',
        appcompat       : '1.1.0',
        constraintlayout: '1.1.3',
        material        : '1.1.0-alpha10'
    ]
  }

  repositories {
    google()
    jcenter()
  }

  dependencies {
    classpath "com.android.tools.build:gradle:$versions.gradle"
    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
    // 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
}