// Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { ext.kotlin_version = "1.4.21" repositories { google() jcenter() } dependencies { classpath "com.android.tools.build:gradle:4.1.2" classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" // This is also mandatory for push notifications classpath 'com.google.gms:google-services:4.3.4' } } allprojects { repositories { google() jcenter() } } task clean(type: Delete) { delete rootProject.buildDir }