• User interface design Strictly defined, user interface (UI) design refers to the design of the “interface” between users and the underlying software. However, in reality, most UI designers think beyond this superficial level to create designs that meet users’ needs. • Interaction design David Kelley, the founder of IDEO, defines interaction design this way: “Interaction design is using your technical knowledge in order to make it useful for people, to delight someone, to make someone get excited about the new technology they’re using.”3 Given its broad scope, this definition is most closely aligned to UX design. • Information architecture Information architecture (IA) is the. | User interface design Strictly defined user interface UI design refers to the design of the interface between users and the underlying software. However in reality most UI designers think beyond this superficial level to create designs that meet users needs. Interaction design David Kelley the founder of IDEO defines interaction design this way Interaction design is using your technical knowledge in order to make it useful for people to delight someone to make someone get excited about the new technology they re using. 3 Given its broad scope this definition is most closely aligned to UX design. Information architecture Information architecture IA is the categorization of information into a coherent structure. The term was popularized when vast web sites started cropping up during the dot-com boom. Many people use the term interchangeably with interaction design but the scope is arguably narrower. What This Book Teaches You This book provides an end-to-end overview of the user-centered design process specifically for iPhone applications. After reading this book you will know how to Conduct up-front user and competitive research to inform your app s vision statement also known as the Production Definition Statement. Brainstorm sketch and prototype your app concepts. The prototypes covered take many different forms from simple paper to scripted videos. Refine your app s user interface and visual design using best practices based on established design principles. Make your app accessible to individuals with impairments with specific attention to VoiceOver the screen-reading software built into the iPhone. Localize your app s user experience with an emphasis on language content and culture. While the book is focused on the iPhone and iPod Touch many of the principles you will learn here can also be applied to user experience design for the iPad. For example the research methods in Part Two Defining Your iPhone App and sketching and prototyping in Part Three Developing
