Introduction to RubyMotion

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RubyMotion bentonville.rb

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@addamh Ruby Javascript Developer iOS Ruby on Rails addamhardy.com =>

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iOS

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iOS Javascript Ruby on Rails

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iOS Javascript Ruby on Rails PhoneGap Social

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iOS Javascript Ruby on Rails Kiosk PhoneGap Social Strategy

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iOS Javascript Ruby on Rails Kiosk PhoneGap Social Kitchen Sink Strategy

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iOS Javascript Ruby on Rails Kiosk PhoneGap Social Kitchen Sink Strategy Now -> RubyMotion

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Can you Ruby? Then you can iOS

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What is RubyMotion?

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Alright, so what is it? RubyMotion • Fork of MacRuby • Ruby implementation on the Objective-C Runtime • Ruby 1.9 compliant • Unified Runtime ( Objective-C Runtime + RubyMotion Runtime) • 0 performance compromises • Custom garbage collection (much like ARC) • Statically compiled. (Ruby -> LLVM Bitcode -> Assembly)

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Laurent Sansonetti 7 years at Apple Mac OSX MacRuby Gnome iLife RubyCocoa @lrz

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Laurent Sansonetti 7 years at Apple Mac OSX MacRuby Gnome iLife RubyCocoa Left Apple and disappeared for a while... came back with RubyMotion @lrz

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What is RubyMotion not?

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Alright, so what isn’t it? RubyMotion • A bridge • An HTML5 solution • A wrapper • An excuse to not learn Objective-C (not exactly anyway)

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You still have to speak iOS

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So if it’s the same... why use it? (sort of)

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Why should I use RubyMotion? • Were you ever going to learn Objective-C? • Ruby Community • Ease of use and rapid development

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Why should I use RubyMotion? • Were you ever going to learn Objective-C? • Ruby Community • Ease of use and rapid development RUBY Reason Numero Uno:

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Less Code Better Code

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Less Code Better Code

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Class Comparison

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Use Ruby or Objective-C Methods

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MOAR Reasons for RubyMotion • Better tools (Use what you’ve always used) • Templates for OS X and Cocos2D games • Command line toolchain • _Much_ easier to learn • Full REPL • Less boilerplate (seems like 60% of iOS coding usually) • Easier testing! • Rake

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Testing MacBacon

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Rake

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What sucks?

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Nothing Is Perfect™ • $$$$ • Costs $199 for a license • Works forever but $99 annual fee for support and updates • No require • cannot require files at runtime. Must be available at build time • No eval • Regular gems do not work