allprojects { repositories { // 国内镜像优先(见 settings.gradle 同注);原仓库保留作 fallback。 maven { url "https://maven.aliyun.com/repository/google" } maven { url "https://maven.aliyun.com/repository/public" } google() mavenCentral() } } rootProject.buildDir = "../build" subprojects { project.buildDir = "${rootProject.buildDir}/${project.name}" } subprojects { project.evaluationDependsOn(":app") } tasks.register("clean", Delete) { delete rootProject.buildDir }