September 2002
Beginner
382 pages
9h 32m
English
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Chapter 1. Introduction to Cocoa
Cocoa provides a rich layer of functionality on which you can build applications. Its comprehensive object-oriented API complements a large number of technologies that Mac OS X provides. Some of these technologies are inherited from the NeXTSTEP operating system. Others are based on the BSD Unix heritage of Mac OS X’s core. Still others come from the original Macintosh environment and have been updated to work with a modern operating system. In many cases, you take advantage of these underlying technologies transparently, and you get the use of them essentially “for free.” In some cases, you might use these technologies directly, but because of the way Cocoa is structured, they are a simple and direct API call away.
This chapter provides an overview of the Mac OS X programming environment and Cocoa’s place in it. You will then learn about the two frameworks—Foundation and Application Kit (or AppKit)—that make up the Cocoa API, as well as the functionality that they provide.
The Mac OS X Programming Environment
Mac OS X provides five principal application environments:
- Carbon
A set of procedural APIs for working with Mac OS X. These interfaces were initially derived from the earlier Mac OS Toolbox APIs and modified to work with Mac OS X’s protected memory environment and preemptive task scheduling. As a transitional API, Carbon gives developers a clear way to migrate legacy applications to Mac OS X without requiring a total rewrite.[4] Adobe Photoshop ...
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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.