build.gradle

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

buildscript {
    repositories {
        jcenter()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.3.1'
        classpath 'com.google.gms:google-services:4.2.0'
        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.3.0'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
        google()
        maven { url "https://jitpack.io" }
    }
}

ext {
    // Sdk and tools
    minSdkVersion = 16
    targetSdkVersion = 28
    compileSdkVersion = 28

    // App dependencies
    supportLibraryVersion = '27.0.2'
    retrofitVersion = '2.3.0'
    okHttp3Version = '3.9.0'
}