buildscript { repositories { google() jcenter() maven { url 'https://maven.fabric.io/public' } } dependencies { classpath 'com.android.tools.build:gradle:3.1.3' classpath 'com.google.gms:google-services:4.0.1' classpath 'com.google.firebase:firebase-plugins:1.1.1' classpath 'io.fabric.tools:gradle:1.25.4' } } allprojects { repositories { mavenLocal() google() jcenter() maven { url "$rootDir/../node_modules/react-native/android" } } } subprojects { ext { compileSdk = 27 buildTools = "27.0.3" minSdk = 18 targetSdk = 26 } afterEvaluate { project -> if (!project.name.equalsIgnoreCase("app") && project.hasProperty("android")) { android { compileSdkVersion compileSdk buildToolsVersion buildTools defaultConfig { minSdkVersion minSdk targetSdkVersion targetSdk } } } } }