1  allprojects {
 2      repositories {
 3          google()
 4          mavenCentral()
 5      }
 6  }
 7  
 8  rootProject.buildDir = "../build"
 9  subprojects {
10      project.buildDir = "${rootProject.buildDir}/${project.name}"
11  }
12  subprojects {
13      project.evaluationDependsOn(":app")
14  }
15  
16  tasks.register("clean", Delete) {
17      delete rootProject.buildDir
18  }