第一次编译需要修改配置：
1、转载：https://blog.csdn.net/J6wuli/article/details/90718471
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
maven{ url 'http://maven.aliyun.com/nexus/content/repositories/central/'}
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.5.2'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
maven{ url 'http://maven.aliyun.com/nexus/content/repositories/central/'}
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}