I’ve mentioned a nice set of iOS 7 source code examples demonstrating the usage of many features added with the iOS 7 SDK and a tutorial explaining the basics of the UIDynamics API through the building of a Pong game.
Here’s a set of examples submitted by Jacky Li demonstrating usage of the UIDynamic API.
Included are examples of gravity, collisions, attaching objects together in a group, and how to smoothly snap objects on a specific location.
In the past I mentioned a helper library for those looking to do some advanced work with Core Audio.
Here’s an example application from Stephen Scussen demonstrating how to create a simple Synthesizer and Mixer utilizing Core Audio called SynthMixerDemo.
The example demonstrates how to load custom instruments from sound font (sf2) files, how to route the audio through an effects unit which allows for pitch adjustment, and mixing the tones together.
A couple of days ago I mentioned a nice tutorial using SpriteBuilder and Cocos2D 3.0 to create a Flappy Bird like game.
Here are a couple of Flappy Bird source code examples built using SpriteKit that were submitted after posting that tutorial.
The first example, SprityBird has nice clean code and was built to be used as a base for scrolling games using SpriteKit.
Here’s an animation from the readme showing SprityBird in action:
I’ve mentioned a few projects for working with the iOS address book most recently a wrapper library that provides easy loading, filtering and sorting of contacts.
Here’s a library and example app from Arnaud Coomans that allows you to easily populate the Address Book, great if you need some contacts for development utilizing the address book or if you just want a library that allows you to easily add contacts.
A few days ago I mentioned a nice guide demonstrating the benefits of using ReactiveCocoa signals as opposed to the standard Objective-C delegate pattern, and I’ve noticed a good deal of interest in ReactiveCocoa.
Here’s a nice video about ReactiveCocoa from Matt Mathias at a Big Nerd Ranch Tech Talk that provides a nice introduction to ReactiveCocoa explaining what functional programming is, what ReactiveCocoa is and it’s advantages: