RubyMotion

Developers interested in native iOS app development have been restricted to the limits of Objective-C and Xcode–until RubyMotion came along. RubyMotion enables you do full iOS development using Ruby. You have access to familiar tools such as Rake and RubyGems and can compile Ruby code into native applications. RubyMotion even comes with a Ruby console useful for live coding and interactive debugging. And since RubyMotion is built on top of the Objective-C runtime, you can use all of Apple’s libraries and most third-party code alongside Ruby classes.
This book takes you from zero knowledge of iOS development to building an app that displays information about colors using a web service API. You’ll work through each topic with a small example app that covers just enough to get you familiar with the techniques you need to get real work done.
You’ll start with just drawing boxes on the screen, but you’ll quickly add animations, a navigation stack, and high-performance table views. You’ll peek into less visible components, such as using Ruby metaprogramming to create JSON-based models. You’ll use some incredibly useful common Ruby techniques that are only possible in RubyMotion, such as writing automated unit tests with an RSpec-like framework.
Using both Apple’s existing libraries and fresh, community-driven RubyMotion projects, you’ll be well on your way to writing real-world apps.

Download free at http://hitebook.net/book/rubymotion

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