android grale,groovy
https://blog.csdn.net/hebbely/article/details/79074460
Gradle编译时报错：gradle:peer not authenticated
处理方法：
Change your repository syntax to one of the following
repositories {
jcenter {
url "http://jcenter.bintray.com/"
}
}
repositories {
maven {
url "http://repo1.maven.org/maven2"
}
}