For thousands of Ukrainians, Mark Hamill is the voice of the air raids. The first notice of an incoming attack is an ear-splitting whoop-whoop coming out of cell phone speakers, followed by the voice of the Star Wars actor in full Jedi Knight tones. “Air raid alert.
The structural basis of a typical iOS app is a fixed information architecture—often a hierarchical tree that is several levels deep. The following structural patterns help the user navigate the app’s conceptual map.