Project site https://github.com/google/gtm-oauth
Discussion group http://groups.google.com/group/gdata-objectivec-client

The Google data APIs provide a simple protocol for reading and writing data on the web. Many Google services provide a Google data API.

This library is for Google XML APIs. For JSON APIs,use the Google APIs Client Library for Objective-C for REST .

Each of the following Google services provides a Google Data API supported by this library:

• Contacts (being superseded by People API ; which is covered via the PeopleService JSON API )

This library should no longerbe used for these APIs:

• Google Analytics (superseded by a JSON API )
• Blogger (superseded by a JSON API )
• Book Search (superseded by a JSON API )
• Calendar (superseded by a JSON API )
• Code Search ( deprecated )
• Documents List ( deprecated ; superseded by the Drive JSON API )
• Finance ( deprecated )
• Health ( deprecated )
• Maps ( deprecated )
• Picasa Web Albums ( deprecated ; migration info )
• Spreadsheets (superseded by Sheets JSON API )
• Webmaster Tools (superseded by a JSON API )
• YouTube (superseded by a JSON API )

The Google Data APIs Objective-C Client Library provides an iPhone static library, a Mac OS X framework, and source code that make it easy to access data through Google Data APIs.

To get startedwith Google data APIs and the Objective-C Client Library, look at the overview slides , read the introduction and study the example applications .

If you have a problemor want a new feature to be included in the Google Data Objective-C Client Library, please join the discussion group or submit an issue .

Externally-included projects

The library includes code from the separate projects GTM HTTP Fetcher and GTM OAuth 2

Other useful classes for Mac and iPhone developers are available in the Google Toolbox for Mac .