build.gradle

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

buildscript {
    ext {
        kotlin_version = '1.1.3-2'
        androidGradlePluginVersion = '3.0.0-beta2'
    }
    repositories {
        jcenter()
        maven {
            url "https://maven.google.com"
        }
    }
    dependencies {
        classpath "com.android.tools.build:gradle:$androidGradlePluginVersion"
        classpath 'com.google.gms:google-services:3.0.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
    ext {
        supportLibVersion = "25.3.1"
        playServicesVersion = "10.2.1"
        daggerVersion = "2.11"
    }
    repositories {
        maven {
            url "https://maven.google.com"
        }
        jcenter()
    }
}

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