// Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { repositories { jcenter() mavenCentral() } dependencies { classpath 'com.android.tools.build:gradle:2.3.2' // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files } } allprojects { repositories { jcenter() mavenCentral() } } ext { compileSdkVersion = 25 buildToolsVersion = "25.0.2" } subprojects { subproject -> afterEvaluate{ if((subproject.plugins.hasPlugin('android') || subproject.plugins.hasPlugin('android-library'))) { android { compileSdkVersion rootProject.ext.compileSdkVersion buildToolsVersion rootProject.ext.buildToolsVersion } } } }