I\'m trying to write an iPhone app that stores its database in a Google spreadsheet. I followed the DrEdit example here which uses the Drive API to read/write plain text fil
You should use the Google Spreadsheets API to directly manipulate the cells of a spreadsheet:
https://developers.google.com/google-apps/spreadsheets/
The Spreadsheet API is supported by the Google Data APIs Objective-C Client Library which also includes some samples that you can use as reference:
http://code.google.com/p/gdata-objectivec-client/