In Gradle projects, always use http://schemas.android.com/apk/res-auto for custom attributes

在做项目自定义时候遇到这个错误

In Gradle projects, always use http://schemas.android.com/apk/res-auto for custom attributes

解决办法 

按照提示信息包报错的地方修改为：http://schemas.android.com/apk/res-auto

http://schemas.android.com/apk/res-auto