Chapter 3. Physical Hardware

When designing or developing applications—especially applications created for mobile devices—one of the most important aspects to consider is user experience (UX). User experience doesn’t just involve designing a user interface; it encompasses everything from workflows to input devices. User experience for iOS apps starts with the physical hardware.

The iOS platform is specifically designed for a mobile, touch-oriented user experience with minimal physical buttons or switches. Devices are typically held and can be oriented any which way. As a designer, you need to decide early on how physical hardware impacts the overall user experience. As a developer, you need to understand how changes to physical hardware can affect ...

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