O'Reilly logo

Programming in Objective-C 2.0, Second Edition by Stephen G. Kochan

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

21. Writing iPhone Applications

In this chapter, you’ll develop two simple iPhone applications. The first illustrates some fundamental concepts to familiarize you with using Interface Builder, making connections, and understanding delegates, outlets, and actions. For the second iPhone application, you’ll build a fraction calculator. It combines what you learned while developing the first application with what you learned throughout the rest of the book.

The iPhone SDK

To write an iPhone application, you have to install Xcode and the iPhone SDK. This SDK is available free of charge from Apple’s Web site. To download the SDK, you’ll need to first register to be an Apple Developer. That process is also free. To get the appropriate links, you ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required