buildscript { repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.4.2' } } apply plugin: 'com.android.library' repositories { google() jcenter() } dependencies { implementation 'androidx.legacy:legacy-support-v4:1.0.0' } // 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 28 buildToolsVersion "28.0.3" defaultConfig { minSdkVersion 18 targetSdkVersion 28 } 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" } } } }