Every app needs a user interface. Unlike user interfaces for desktop operating systems like Windows or macOS that can display multiple windows on a screen at a time, iOS apps typically display a single window (called a view) that fills the entire screen at a time. Also unlike Windows or macOS user interfaces that users can manipulate using a keyboard or a mouse, users must be able to manipulate iOS apps solely through a touch screen although they can also be controlled through an optional keyboard as well. In iOS apps, Figure 2-1 shows how a user interface consists of ...
© Wallace Wang 2019
Wallace WangBeginning iPhone Development with Swift 5https://doi.org/10.1007/978-1-4842-4865-2_22. Designing User Interfaces
Wallace Wang1
(1)
San Diego, CA, USA
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