// Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { ext.kotlin_version = '1.3.11' ext { supportLibVersion = '1.0.0' firebase = "11.8.0" retrofit = "2.3.0" materialDialog = "0.9.6.0" } repositories { jcenter() google() } dependencies { classpath 'com.android.tools.build:gradle:3.4.0-alpha10' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" } } allprojects { repositories { google() jcenter() maven { url "https://jitpack.io" } } } task clean(type: Delete) { delete rootProject.buildDir }