build.gradle

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

buildscript {
    ext.kotlin_version = '1.2.51'
    ext.support_version = '27.1.0'

    repositories {
        google()
        jcenter()

        maven {
            url 'https://maven.fabric.io/public'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.3'
        

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
        classpath 'com.apollographql.apollo:apollo-gradle-plugin:0.4.2'

        classpath 'com.google.gms:google-services:4.0.1'
        classpath 'io.fabric.tools:gradle:1.25.4'
        classpath 'com.google.firebase:firebase-plugins:1.1.5'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'io.fabric.tools:gradle:1.25.4'
    }
}

allprojects {
    repositories {
        google()
        jcenter()

        maven {
            url 'https://maven.google.com/'
        }
    }
}

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