Cocoa Tutorials

What is Cocoa? A brief history of Cocoa.

  • 2010-09-03
  • Comments
  • Aaron Hillegass
  • 1995

The story of Cocoa starts with a delightful bit of history. Once upon a time, two guys named Steve started a company called Apple Computer in their garage. The company grew rapidly, so they hired an experienced executive named John Sculley to be its CEO. After a few conflicts, John Sculley moved Steve Jobs to a position in which he had no control over the company at all. Steve Jobs left to form another computer company, called NeXT Computer.
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Programming Language used in Cocoa Programming

  • 2010-09-03
  • Comments
  • Aaron Hillegass
  • 1995

Objective-C is a simple and elegant extension to C, and mastering it will take about two hours if you already know C and an object-oriented language, such as Java or C++.
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Tools for Cocoa Programming

  • 2010-09-03
  • Comments
  • Aaron Hillegass
  • 1995

All the tools for Cocoa development come as part of the Mac OS X Developer Tools, and you get them for free with Mac OS X. Although the developer tools will add about a dozen handy applications to your system, you will use primarily two applications: Xcode and Interface Builder. Behind the scenes, the GNU C compiler (gcc) will be used to compile your code, and the GNU debug
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Objects, Classes, Methods, and Messages in Cocoa Programming

  • 2010-09-03
  • Comments
  • Aaron Hillegass
  • 1995

What is an object? An object is like a C struct: It takes up memory and has variables inside it. The variables in an object are called instance variables. So when dealing with objects, the first questions we typically ask are: How do you allocate space for one? What instance variables does the object have? How do you destroy the object when you are done with it?
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Life Cycle of a Cocoa Application

  • 2010-09-03
  • Comments
  • Aaron Hillegass
  • 1995

Let's briefly discuss the chronology of an application: When the process is started, it runs the NSApplicationMain function, which creates an instance of NSApplication. The application object reads the main nib file and unarchives the objects inside. The objects are all sent the message awakeFromNib. Then the application object checks for events.
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Frameworks in Cocoa Programming

  • 2010-09-03
  • Comments
  • Aaron Hillegass
  • 1995

A framework is a collection of classes that are intended to be used together. In other words, the classes are compiled together into a reusable library of code. Any related resources are put into a directory with the library. The directory is renamed with the extension .framework. You can find the built-in frameworks for your machine in /System/Library/Frameworks.
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Tools for Cocoa Programming

What is Cocoa? A brief history of Cocoa.

Programming Language used in Cocoa Programming

Objects, Classes, Methods, and Messages in Cocoa Programming

Frameworks in Cocoa Programming

Life Cycle of a Cocoa Application

Archived Comments

1. great work..keep it up.
View Tutorial          By: faizaan at 2011-04-29 12:23:39

2. Hi i copied the same code n change the comport no
View Tutorial          By: Nidhi Puri at 2010-12-04 00:55:29

3. Thanks!! This example was very helpful for me...
View Tutorial          By: Jonathas at 2010-03-11 07:47:51

4. Comment: Just for future readers: (apart from the
View Tutorial          By: Anonymous at 2013-05-17 08:53:20

5. Wow
View Tutorial          By: Ajmalnafi at 2012-06-30 01:48:04

6. Hi puru, The syntax is substring(int startIndex, i
View Tutorial          By: Fazal at 2008-09-12 20:17:53

7. I am an MCA student i wanna know whether one can s
View Tutorial          By: RAJU.K at 2009-07-24 02:28:21

8. frnds i want serial communication over beaglebone
View Tutorial          By: Rajneesh at 2015-04-12 11:23:16

9. HI, Thanks for your beautiful tutorial.

View Tutorial          By: Chintan at 2011-10-06 07:35:01

10. i nice programs tks
View Tutorial          By: jai at 2011-05-09 14:09:38