iPhone UI Design & Prototyping Anna Callahan Raizlabs

UI Design: Quick Overview Do One Thing Apple-Style 80/20 Rule UI Elements as Real Objects Multi-Touch Ergonomics Prototyping

Do One Thing and do it well

Apple-Style drink the Apple UI kool-aid

The 80/20 Rule fewer features = better experience “At least 80 percent of your users will use a very limited number of features in an application, while less than 20 percent will use all the features.”

UI Elements as Real Objects “When possible, model your application’s objects and actions on objects and actions in the real world.” use what your users know

Multi-Touch Ergonomics give your users the finger “Provide a fingertip-size target area for all tappable elements.” “Put most frequently used information near the top, where it is most visible and accessible.”

Prototyping Paper prototyping Working prototypes

Wedding Reception Place wedding guests at their tables for the reception.

Finale iPhone Human Interface Guidelines