Changes

The selection of the Navigation-based application template has given us a number of template files that will save us a considerable amount of time in the course of creating our application. The best way to get an overview of this is to open the ''MainWindow.xib'' file in Interface Builder. Once the file has loaded, take some time to review the list of entries contained within the ''MainWindow.xib'' document window, clicking on the right pointing arrows if necessary to unfold the hierarchy for the ''Navigation'' and ''Root View'' Controller items:

[[Image:MainWindow.xib.jpg|The MainWindow.xib for a Navigation based iPhone application in Interface Builder]]