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iOS Development Tutorials

Tutorials for iOS development are posted here. The tutorials can cover any topics relevant to iOS developers and tutorials on topics game development, augmented reality, and learning Objective-C have been posted in the past.

If you would like to add a tutorial please submit it here.

Tutorial: Creating Custom Components That Can Be Previewed And Modified In Xcode 6

Early last year I mentioned a nice tutorial from Yari D’areglia explaining how to create custom UI components.

Here’s another nice tutorial from Yari that explains how to use the new feature in iOS 6’s interface builder that allows you to preview and update your custom components.

The key to using this new feature are the IBDesignable and IBInspectable keywords, and in order to get things working you’ll need to implement your custom component within a framework.

Nice Collection Of Tutorials And Example Code Demonstrating Use Of New iOS 8 SDK Features

With the introduction of iOS 7 I mentioned a nice set of tutorials covering many new aspects of the iOS 7 SDK from Sam Davies of Shinobi Controls.

Now with the introduction of iOS 8 here’s another large set of mini-tutorials and code snippets from Sam on many of the new and updated features of the iOS 8 SDK.

Tutorial: Beginners Guide To The Metal Graphics API

The Metal API added with iOS 8 provides an alternative to OpenGL for graphics programming with lower overhead and increased performance with Apple’s A7 and the new A8 in the iPhone 6 and iPhone 6 Plus.

Apple has provided a nice amount of documentation, video presentation and examples that you can find over on the Metal for Developers page.

A Step-By-Step Tutorial On Using iOS 8’s New Keyboard Extension

Among the great new features in iOS 8 are the custom keyboard extensions, and the keyboard predictive text bar that will sit atop the keyboard (last month I mentioned a component based on that new feature called TOMSSuggestionBar.

Here’s a step-by-step tutorial from Tope Abayomi explaining how to create custom keyboards using the iOS 8 custom keyboard extension.

The tutorial explains how to set up your project, using the new keyboard extension, creating a custom keyboard layout, and explains a few of the gotchas along the way.

A In-Depth Case Study On The Usage Of Swift Optionals

I’ve mentioned a few tutorials on larding the Swift language, most recently an in-depth guide on using Swift arrays, and a tutorial on Swift basics through the creation of a falling blocks game.

Here is an in-depth case study and tutorial from the  Apple Swift blog exploring the use of optionals.

In the post the authors create an NSDictonary objectForKeys function in Swift and  explain how to use options for this situations when the key is not found and the advantages over NSNull with Objective-C.