build.gradle

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

buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0'

        // 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
}

ext {
    compileSdkVersion = 26
    buildToolsVersion = "26.0.2"
    minSdkVersion = 19
    targetSdkVersion = 26

    versionCode = 7
    versionName = "63.0.3239.40"

    supportLibraryVersion = "26.0.0-beta2"
    playServicesVersion = "10.2.6"
    espressoVersion = "2.2.2"
    runnerVersion = "1.0.1"
    junitVersion = "4.12"
}