GitHub - googleapis/google-http-java-client: Google HTTP Client Library for Java

Written by Google, the Google HTTP Client Library for Java is a flexible, efficient, and powerful Java library for accessing any resource on the web via HTTP. The library has the following features: Pluggable HTTP transport abstraction that allows you to use any low-level library such as java.net.HttpURLConnection, Apache HTTP Client, or URL Fetch on Google App Engine. Efficient JSON and XML data

[yass]

" Written by Google, this library is a flexible, efficient, and powerful Java client library for accessing any resource on the web via HTTP. "

[tlync]

Google 製の HTTP Client。Android もサポートしていて、ちゃんと GingerBread 未満は HttpClient、以上であれば HttpUrlConnection を利用する様になってる