UIUserInterfaceIdiomPad: Detect iPad Devices in iOS Apps

UIUserInterfaceIdiomPad is a constant that represents the user interface idiom for iPad devices. It's used to determine the type of device running an app and adjust the user interface accordingly. For example, an app might display more content or use a different layout on an iPad than on an iPhone or iPod touch. The value of UIUserInterfaceIdiomPad is 2.