Changes

Click on the Run button located in the Xcode project window toolbar. If any compilation errors are encountered correct those problems and try again. Once the application has compiled and linked it will launch into the iOS Simulator. Before location information can be gathered, the user is prompted to grant permission. Once permission is granted, the application will begin displaying location information:

[[Image:ios_4_iphone_location_app_running.jpg|An iOS 4 iPhone location application running]]