December 2009
Beginner to intermediate
888 pages
23h 33m
English
book
The iPhone™ Developer’s Cookbook: Building Applications with the iPhone 3.0 SDK, Second Edition
by Erica Sadun
Content preview from The iPhone™ Developer’s Cookbook: Building Applications with the iPhone 3.0 SDK, Second Edition
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21. Accessibility and Other iPhone OS Services
Applications interact with standard iPhone services in a variety of ways. This chapter introduces several approaches. Applications can define their interfaces to the iPhone’s VoiceOver accessibility handler, creating descriptions of their GUI elements. Developers can create bundles to work with the built-in Settings applications so that users can access applications’ defaults using that interface. Applications can also declare public URL schemes allowing other iPhone applications to contact them and request services that they themselves offer. This chapter explores these application service interactions. It shows you how to implement these features in your applications. You see how to build these ...