I want to retrieve friends of friends of gmail account in my iPhone application. I have no any idea about integration of gmail in iPhone application.
Which framework I need to use or how to integrate and retrieve friends of friends ?
If there is any demo or link please suggest me.
go to https://developers.google.com/gmail/api/quickstart/ios
and follow the steps to integrate gmail in your application.
you can use this example http://code.tutsplus.com/tutorials/accessing-google-services-using-the-oauth-20-protocol--mobile-18394 i think guide for this app :-)
After, you can use the api links.
来源：https://stackoverflow.com/questions/33624136/retrive-friends-of-friends-in-gmail-for-ios-app