August 2009
Intermediate to advanced
192 pages
5h 25m
English
Content preview from Programming the iPhone User ExperienceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1. Cocoa Touch: The Core iPhone
Cocoa is a collection of tools—libraries, frameworks, and APIs—used to build applications for the Mac OS. Most of the core functionality you would need to develop a rich Mac application is included in Cocoa. There are mechanisms for drawing to display, working with text, saving and opening data files, talking to the operating system, and even talking to other computers across a network. The look and feel of Mac applications is recognizable and relatively consistent in large part because of the breadth and quality of the Cocoa user interface framework.
The Cocoa frameworks include two areas of focus: classes that represent user interface objects and collect user input, and classes that simplify challenges like memory management, networking, filesystem operations, and time management.
Developing applications for the iPhone and iPod Touch is similar in many ways to building applications for Mac OS X. The same tools are used for writing and debugging code, laying out visual interfaces, and profiling performance, but mobile application development requires a supplemental set of software libraries and tools, called the iPhone SDK (software development kit).
Cocoa Touch is a modified version of Cocoa with device-specific libraries for the iPhone and iPod Touch. Cocoa Touch works in conjunction with other layers in the iPhone and iPod Touch operating systems and is the primary focus of this book.
Mac Frameworks
Mac OS X programmers use a framework called ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.