Using Google APIs In iPhone Apps
Tom Saxton, creator of the grocery list application Grocophile, posted a thorough piece on using Google APIs in iPhone apps.
Tom’s post includes detailed information on the steps to upload and download documents from Google, how Google Docs differs from a file-system, and resources to integrate the Google API library into an iPhone Xcode project.
Finally, Tom has provided source code for a class and protocol to streamline/bootstrap using the Google Docs API from your own iPhone apps.