Changes

Once the appropriate code changes have been made, test the application by clicking on the Run button located in the toolbar of the main Xcode project window. Assuming no compilation errors are encountered, the application should run within the iOS Simulator.

When the application has loaded, enter some text into the text field and click on the Save button. Next, exit from the iOS Simulator (''iOS Simulator -> Quit iOS Simulator'') and then restart the app by selecting Product -> Run from the main Xcode project window. On loading for a second time the text field will be primed with the text saved during the previous session: