We'll add an iAd banner into the placeholder app that we built in the last exercise. If you want to use your own app make sure you're familiar with the interface builder in Xcode. Follow these steps in order to add the banner:
1. Open your project, or our demo project in Xcode.
2. From the file list, open the file
iAd_Demo_AppViewController.xib
, if it isn't already. This will launch the interface builder. From the object library, drag the Ad BannerView object to the main view. The object library contains a large amount of items that can make it hard to navigate. You can use the search text area underneath it to filter results. Searching for a banner reveals any banner-related objects. In the following screenshot, you can see a search for banner:3. Reposition your banner view so it snaps into place at the bottom center of the screen.
4. Apple recommends putting your banner at the top or bottom of your app and making sure it is static; putting it in scrollable...