build.gradle

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

buildscript {
    ext {
        versions = [
                gradle : '4.4.1',
                kotlin : '1.2.10',
                code   : 1,
                name   : '1.0.0',
                sdk    : [
                        minimum: 14,
                        target : 27
                ],
                android: [
                        buildTools: '27.0.3',
                        support   : '27.0.2'
                ],
                rx     : [
                        rxJava1: '1.2.9',
                        rxJava2: '2.0.8'
                ],
                test   : [
                        junit  : '4.12',
                        mockito: '2.13.0'
                ],
                util   : [
                        commons: '2.5'
                ]
        ]
    }
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${versions.kotlin}"
    }
}

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

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

task wrapper(type: Wrapper) {
    gradleVersion = versions.gradle
}