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:3.1.4'

        classpath 'com.google.gms:google-services:4.0.2'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }

    project.ext {
        minSdkVersion = 21
        compileSdkVersion = 27
        targetSdkVersion = 27

        support_library_version = '27.1.1'
        constraint_layout_version = '1.1.2'
        lifecycle_version = '1.1.1'
        rxjava_version = '2.1.16'
        rxandroid_version = '2.0.2'
        dagger_version = '2.16'
        firebase_firestore_version = '17.1.0'
        firebase_core_version = '16.0.1'
        junit_version = '4.12'
        runner_version = '1.0.2'
        espress_core_version = '3.0.2'
    }
}

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