Recently I taught an offering of iOS101 at 360iDev, which is a 1-2 day workshop on beginning iOS programming.
In the workshop, I like to cover the basics of Objective-C, since those new to iOS programming are usually also new to Objective-C.
In past offerings of iOS101, a common request was “please make an Objective-C cheat sheet for the workshop!”
Well, your wish is my command – keep reading to download the official raywenderlich.com Objective-C cheatsheet! :]
Show Me The Cheat Sheet!
Without further ado, here is the download link:
It summarizes the most important Objective-C syntax on one page to get you up to speed quickly, including:
- Types and variables
- Creating and using classes
- Defining and implementing methods
- Defining and synthesizing properties
- Creating custom initializers
- Handy methods in NSArray/NSString
Feel free to print out a copy or send to a friend who’s learning Objective-C! :]
More Cheatsheets!
If you like this cheat sheet, there are some other Objective-C cheat sheets out there you might like as well:
- Kevin Weller (who I met at iOS101!) has put together a nice Objective-C and iOS SDK Quick Reference.
- Johann Dowa (known as ManiacDev) has put together his own take on an Objective-C Cheat Sheet.
- Ferrucio Barletta also has a nice Objective-C Cheat Sheet.
If you guys have any other cheat sheets or quick references to recommend to beginners, please join the discussion below.
Also, huge thanks to everyone who attended iOS101. I really enjoyed meeting you guys and hope to see some of your apps in the App Store! :]
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