buildscript { repositories { jcenter() google() } dependencies { classpath 'com.android.tools.build:gradle:3.0.1' } } apply plugin: 'android-library' repositories { jcenter() google() } dependencies { compile 'com.android.support:support-v4:27.0.0' } // The sample build uses multiple directories to // keep boilerplate and common code separate from // the main sample code. List dirs = [ 'main', // main sample code; look here for the interesting stuff. 'common', // components that are reused by multiple samples 'template'] // boilerplate code that is generated by the sample template process android { compileSdkVersion 26 buildToolsVersion "27.0.2" defaultConfig { minSdkVersion 18 targetSdkVersion 26 } compileOptions { sourceCompatibility JavaVersion.VERSION_1_7 targetCompatibility JavaVersion.VERSION_1_7 } sourceSets { main { dirs.each { dir -> java.srcDirs "src/${dir}/java" res.srcDirs "src/${dir}/res" } } } }