Cocoa Tutorials

What is Cocoa? A brief history of Cocoa.

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

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

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

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

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

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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Most Viewed Articles on Cocoa Using NSOpenGLView in Cocoa Programming in Mac Tools for Cocoa Programming What is Cocoa? A brief history of Cocoa. Listing of files in a zip file in Mac OS X. Programming Language used in Cocoa Programming Objects, Classes, Methods, and Messages in Cocoa Programming Frameworks in Cocoa Programming Life Cycle of a Cocoa Application Listing of files in a tar file in Mac OS X. Multithreading versus Multiprocessing in Mac OS X. Garbage Collector in Cocoa Programming in Mac Weak References in Mac Cocoa Programming Web Services in Mac Cocoa Programming Printing in Mac Cocoa Programming

Latest Tutorials Cocoa : Listing of files in a tar file in Mac OS X. Cocoa : Listing of files in a zip file in Mac OS X. Cocoa : Multithreading versus Multiprocessing in Mac OS X. Cocoa : Using NSOpenGLView in Cocoa Programming in Mac Cocoa : Garbage Collector in Cocoa Programming in Mac Cocoa : Weak References in Mac Cocoa Programming Cocoa : Web Services in Mac Cocoa Programming Cocoa : Printing in Mac Cocoa Programming Cocoa : Tools for Cocoa Programming Cocoa : What is Cocoa? A brief history of Cocoa. Cocoa : Programming Language used in Cocoa Programming Cocoa : Objects, Classes, Methods, and Messages in Cocoa Programming Cocoa : Frameworks in Cocoa Programming Cocoa : Life Cycle of a Cocoa Application