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Cocoa for Web Developers

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georgebrock
georgebrock

This document provides an introduction to developing applications for Mac OS X using Cocoa and Objective-C. It covers key concepts like the Cocoa framework, Xcode development tools, Objective-C syntax for classes and methods, properties, strings and memory management. It also mentions that web developers can integrate HTML, CSS and JavaScript using WebKit and only need to use Objective-C when necessary functionality is not available in other languages.

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Introduction to OS X development with Cocoa … and how web developers can cheat George Brocklehurst http://georgebrock.com @georgebrock on Twitter
Before we start… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is Cocoa? ,[object Object],[object Object],[object Object],[object Object]
Getting Started ,[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Interface only here!
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Class name
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Parent class
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Members
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Methods
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Interface
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Start class implementation
Objective C Syntax: Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Methods with bodies
Objective C Syntax: Methods ,[object Object],[object Object],[object Object]
Objective C Syntax: Methods ,[object Object],[object Object],[object Object],[object Object],Method scope
Objective C Syntax: Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Return type
Objective C Syntax: Methods ,[object Object],[object Object],Method name
Objective C Syntax: Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],Argument type Argument name
Objective C Syntax: Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Properties ,[object Object],[object Object],[object Object]
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Storage method: assign , retain or copy
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Access permissions: readwrite or readonly
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Can add other things: nonatomic , getter=… and setter=…
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Property variable declaration, must also be declared as a class member
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Tell Objective-C precompiler to make getter & setter
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Sensible syntax! Yay!
Objective C Syntax: Selectors ,[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Selectors ,[object Object],[object Object],[object Object],[object Object],Data type for selectors
Objective C Syntax: Selectors ,[object Object],[object Object],[object Object],[object Object],Macro to create selector
Objective C Syntax: Selectors ,[object Object],[object Object],[object Object],[object Object]
Objective C Syntax: Strings ,[object Object],[object Object],[object Object],[object Object]
Managing Memory ,[object Object],[object Object],[object Object],[object Object]
Managing Memory: Example ,[object Object],[object Object],[object Object],[object Object],[object Object]
Managing Memory: Autorelease ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Wasn’t there something about cheating?! ,[object Object],[object Object]
Demo
I Can Haz Questions?
K, Thx, Bai! ,[object Object],[object Object],[object Object]

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Cocoa for Web Developers

  • 1. Introduction to OS X development with Cocoa … and how web developers can cheat George Brocklehurst http://georgebrock.com @georgebrock on Twitter
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  • 39. Demo
  • 40. I Can Haz Questions?
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