iOS Programming: The Big Nerd Ranch Guide, Second Edition

Launch Images

Another item you can set for an application in the Summary panel is the launch image, which appears while an application is loading. (If you don’t supply a launch image, the user will see a black screen during this period.) The launch image has a specific role on iOS: it conveys to the user that the application is indeed launching and depicts the user interface that the user will interact with once the application has finished launching. Therefore, a good launch image is a content-less screenshot of the application. For example, the Weather application’s interface is a rounded square with the name of a city and its current temperature; Weather’s launch image is just that rounded square. (Keep in mind that the launch image is replaced ...