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Ruby’izing iOS Development Amit Kumar Sunday, September 16, 12

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About me • Ruby’ist • Consultant: Tata Consultancy Services Ltd • Github: toamitkumar • Twitter: toamit • toamitkumar.github.com Sunday, September 16, 12

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Sunday, September 16, 12

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Released in May, 2012 Sunday, September 16, 12

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Released in May, 2012 Sunday, September 16, 12

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RubyMotion Sunday, September 16, 12

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revolutionary toolchain for native iOS application development using Ruby language RubyMotion Sunday, September 16, 12

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revolutionary toolchain for native iOS application development using Ruby language neighbor's envy coder’s delight; happiness; RubyMotion Sunday, September 16, 12

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A What ?? Sunday, September 16, 12

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A What ?? Sunday, September 16, 12

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Fork of MacRuby A What ?? Sunday, September 16, 12

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Fork of MacRuby A What ?? Compiles into optimized machine code Sunday, September 16, 12

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Fork of MacRuby Automatic object memory allocation and reclaim A What ?? Compiles into optimized machine code Sunday, September 16, 12

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Fork of MacRuby Automatic object memory allocation and reclaim A What ?? Compiles into optimized machine code Sunday, September 16, 12

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Fork of MacRuby Automatic object memory allocation and reclaim A What ?? Compiles into optimized machine code Compiles the interfaces built in IB of XCode Sunday, September 16, 12

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Fork of MacRuby Automatic object memory allocation and reclaim A What ?? Compiles into optimized machine code Compiles the interfaces built in IB of XCode Sunday, September 16, 12

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Ruby-runtime tightly integrated with Obj-C runtime Fork of MacRuby Automatic object memory allocation and reclaim A What ?? Compiles into optimized machine code Compiles the interfaces built in IB of XCode Sunday, September 16, 12

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Ruby-runtime tightly integrated with Obj-C runtime Fork of MacRuby Automatic object memory allocation and reclaim A What ?? Same ancestor as Obj-C Compiles into optimized machine code Compiles the interfaces built in IB of XCode Sunday, September 16, 12

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A What ?? Sunday, September 16, 12

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A What ?? Ruby-runtime tightly integrated with Obj-C runtime Fork of MacRuby Automatic object memory allocation and reclaim Same ancestor as Obj-C Compiles into optimized machine code Compiles the interfaces built in IB of XCode Sunday, September 16, 12

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A What ?? Object can be shared with no performance cost Ruby-runtime tightly integrated with Obj-C runtime Fork of MacRuby Automatic object memory allocation and reclaim Same ancestor as Obj-C Compiles into optimized machine code Compiles the interfaces built in IB of XCode Sunday, September 16, 12

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Motion Runtime Sunday, September 16, 12

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Motion Runtime Sunday, September 16, 12

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Motion Runtime Sunday, September 16, 12

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Shared Runtime Motion Runtime Sunday, September 16, 12

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Shared Runtime Motion Runtime Sunday, September 16, 12

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Shared Runtime Motion Runtime Sunday, September 16, 12

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Foundation Framework (NSObject - Kernel) Shared Runtime Motion Runtime Sunday, September 16, 12

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Foundation Framework (NSObject - Kernel) Shared Runtime Motion Runtime Sunday, September 16, 12

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Foundation Framework (NSObject - Kernel) Shared Runtime Motion Runtime Sunday, September 16, 12

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Myths Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Pros: Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Pros: - Very easy to get started; as we all know HTML/JS/CSS Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Pros: - Very easy to get started; as we all know HTML/JS/CSS Cons: Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Pros: - Very easy to get started; as we all know HTML/JS/CSS Cons: - Its a bridge that makes native api calls Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Pros: - Very easy to get started; as we all know HTML/JS/CSS Cons: - Its a bridge that makes native api calls - Runs in single thread of UIWebView which is painfully slow Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Pros: - Very easy to get started; as we all know HTML/JS/CSS Cons: - Its a bridge that makes native api calls - Runs in single thread of UIWebView which is painfully slow - Limited support of direct access to native APIs Sunday, September 16, 12

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Myths Can I code using RubyMotion without the pain to learn Cocoa Framework ? PhoneGap like tools are much easier to learn what advantage do I get with RubyMotion ? Pros: - Very easy to get started; as we all know HTML/JS/CSS Cons: - Its a bridge that makes native api calls - Runs in single thread of UIWebView which is painfully slow - Limited support of direct access to native APIs - Debugging becomes extremely difficult when you make native api calls Sunday, September 16, 12

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Download & Install http://sites.fastspring.com/hipbyte/product/rubymotion Sunday, September 16, 12

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The ‘motion’ command Sunday, September 16, 12

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The ‘motion’ command Sunday, September 16, 12

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The ‘motion’ command Sunday, September 16, 12

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The ‘motion’ command Sunday, September 16, 12

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The ‘motion’ command Sunday, September 16, 12

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The ‘motion’ command Protip: Forcing update to a particular version: Sunday, September 16, 12

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The ‘motion’ command Protip: Forcing update to a particular version: Sunday, September 16, 12

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The ‘motion’ command Protip: Forcing update to a particular version: sudo motion update --force-version=1.2 Sunday, September 16, 12

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The ‘motion’ command Sunday, September 16, 12

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The famous ‘Rake’ Sunday, September 16, 12

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The famous ‘Rake’ Sunday, September 16, 12

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The famous ‘Rake’ Sunday, September 16, 12

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The famous ‘Rake’ Sunday, September 16, 12

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The famous ‘Rake’ Sunday, September 16, 12

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The famous ‘Rake’ Sunday, September 16, 12

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Configuration ‘options’ Sunday, September 16, 12

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Configuration ‘options’ Sunday, September 16, 12

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Configuration ‘options’ Sunday, September 16, 12

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Configuration ‘options’ Sunday, September 16, 12

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Configuration ‘options’ Sunday, September 16, 12

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Configuration ‘options’ Sunday, September 16, 12

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Configuration ‘options’ Pro-tip: Other configuration options Sunday, September 16, 12

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Configuration ‘options’ Pro-tip: Other configuration options app.file_dependencies ‘app/controllers/curves_controller.rb’ => ‘app/controllers/main_controller.rb’ Sunday, September 16, 12

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Configuration ‘options’ Pro-tip: Other configuration options app.file_dependencies ‘app/controllers/curves_controller.rb’ => ‘app/controllers/main_controller.rb’ app.vendor_project Sunday, September 16, 12

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The Soul Console REPL - Read Evaluate Print Loop Sunday, September 16, 12

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The Soul Console REPL - Read Evaluate Print Loop You feel in-control Sunday, September 16, 12

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The Soul Console REPL - Read Evaluate Print Loop You feel in-control Sunday, September 16, 12

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The Soul Console REPL - Read Evaluate Print Loop You feel in-control An excellent in-browser demo of REPL: https://www.pieceable.com/rubymotion-console Sunday, September 16, 12

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Build Process Sunday, September 16, 12

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Build Process COMPILING Sunday, September 16, 12

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Build Process COMPILING LINKING Sunday, September 16, 12

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Build Process COMPILING LINKING PACKAGING Sunday, September 16, 12

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Build Process COMPILING LINKING PACKAGING CODE SIGN Sunday, September 16, 12

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Testing your code Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb $ rake spec Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb $ rake spec ‘MacBacon’ has almost all ‘syntactic sugar’ that you are accustomed in RSpec: Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb $ rake spec ‘MacBacon’ has almost all ‘syntactic sugar’ that you are accustomed in RSpec: - Assertions Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb $ rake spec ‘MacBacon’ has almost all ‘syntactic sugar’ that you are accustomed in RSpec: - Assertions - Matchers Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb $ rake spec ‘MacBacon’ has almost all ‘syntactic sugar’ that you are accustomed in RSpec: - Assertions - Matchers - before/after blocks Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb $ rake spec ‘MacBacon’ has almost all ‘syntactic sugar’ that you are accustomed in RSpec: - Assertions - Matchers - before/after blocks View testing: Sunday, September 16, 12

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Testing your code Like Rails, RubyMotion comes bundled with ‘RSpec’ like framework ‘MacBacon’ /spec/main_spec.rb $ rake spec ‘MacBacon’ has almost all ‘syntactic sugar’ that you are accustomed in RSpec: - Assertions - Matchers - before/after blocks View testing: - Loading the nib/xib/storyboard file Sunday, September 16, 12

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Continuos Integration WebHook Jenkins setup on mac-mini App Store Push Setup for local deployment and testing Sunday, September 16, 12

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Using External Libraries Sunday, September 16, 12

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Using External Libraries RubyGems Sunday, September 16, 12

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Using External Libraries RubyGems Objective-C Project Sunday, September 16, 12

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Using External Libraries RubyGems Objective-C Project Native-C Sunday, September 16, 12

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Using External Libraries RubyGems Objective-C Project Native-C CocoaPods Sunday, September 16, 12

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RubyGems Sunday, September 16, 12

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RubyGems Normal RubyGems won’t work Sunday, September 16, 12

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RubyGems Normal RubyGems won’t work Motion::Project::App.setup do |app| # Load files from gem end Sunday, September 16, 12

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RubyGems Normal RubyGems won’t work Use Bundler Motion::Project::App.setup do |app| # Load files from gem end Sunday, September 16, 12

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RubyGems Normal RubyGems won’t work Use Bundler source :rubygems gem 'rake' gem 'bubble-wrap' gem 'motion-cocoapods' gem 'motion-redgreen' Gemfile require ‘bundler’ Bundler.require Rakefile Motion::Project::App.setup do |app| # Load files from gem end Sunday, September 16, 12

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RubyGems contd... Sunday, September 16, 12

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RubyGems contd... Bubblewrap teacup sugarcube formotion Nitron motion-redgreen motion-logger MotionModel NativeJSBridge SegmentTab Sunday, September 16, 12

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Using Obj-C code Sunday, September 16, 12

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Statically Compiled app.vendor_project( “vendor/project-name”, #should have both .h and .m file :static ) Using Obj-C code Sunday, September 16, 12

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Statically Compiled app.vendor_project( “vendor/project-name”, #should have both .h and .m file :static ) Using Obj-C code Sunday, September 16, 12

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Statically Compiled app.vendor_project( “vendor/project-name”, #should have both .h and .m file :static ) Using Obj-C code XCode project: app.vendor_project( “vendor/project-name”, :xcode, :xcodeproj => “project-name.xcodeproj”, :target => “project-name”, :products => [“libproject-name.a”], :headers_dir => “project-name” ) Sunday, September 16, 12

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Using native C code Sunday, September 16, 12

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Using native C code Basic Types in C (bool, char, int, long, float, double) Ruby data types (true/false, Fixnum, Bignum, Float) Sunday, September 16, 12

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Using native C code Basic Types in C (bool, char, int, long, float, double) Ruby data types (true/false, Fixnum, Bignum, Float) C Complex Data Structures Sunday, September 16, 12

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Using native C code Basic Types in C (bool, char, int, long, float, double) Ruby data types (true/false, Fixnum, Bignum, Float) C Complex Data Structures No corresponding Ruby Data Types Sunday, September 16, 12

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Using native C code Basic Types in C (bool, char, int, long, float, double) Ruby data types (true/false, Fixnum, Bignum, Float) C Complex Data Structures No corresponding Ruby Data Types Sunday, September 16, 12

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Using native C code Basic Types in C (bool, char, int, long, float, double) Ruby data types (true/false, Fixnum, Bignum, Float) BridgeSupport C Complex Data Structures No corresponding Ruby Data Types Sunday, September 16, 12

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Using native C code Basic Types in C (bool, char, int, long, float, double) Ruby data types (true/false, Fixnum, Bignum, Float) RubyMotion BridgeSupport C Complex Data Structures No corresponding Ruby Data Types Sunday, September 16, 12

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CocoaPods Sunday, September 16, 12

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CocoaPods is a dependency manager for Obj-C projects Sunday, September 16, 12

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CocoaPods is a dependency manager for Obj-C projects sudo gem install cocoapods Sunday, September 16, 12

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CocoaPods is a dependency manager for Obj-C projects sudo gem install cocoapods pod setup # this may not be required for everyone, it never worked for me Sunday, September 16, 12

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CocoaPods is a dependency manager for Obj-C projects sudo gem install cocoapods pod setup # this may not be required for everyone, it never worked for me https://github.com/CocoaPods/Specs - lists all the pods Sunday, September 16, 12

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CocoaPods is a dependency manager for Obj-C projects sudo gem install cocoapods pod setup # this may not be required for everyone, it never worked for me https://github.com/CocoaPods/Specs - lists all the pods It has been integrated with RubyMotion which comes as a gem Sunday, September 16, 12

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CocoaPods is a dependency manager for Obj-C projects sudo gem install cocoapods pod setup # this may not be required for everyone, it never worked for me https://github.com/CocoaPods/Specs - lists all the pods It has been integrated with RubyMotion which comes as a gem sudo gem install motion-cocoapods Sunday, September 16, 12

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CocoaPods is a dependency manager for Obj-C projects sudo gem install cocoapods pod setup # this may not be required for everyone, it never worked for me https://github.com/CocoaPods/Specs - lists all the pods It has been integrated with RubyMotion which comes as a gem sudo gem install motion-cocoapods Include it in your Rakefile: require  ‘moion-­‐cocoapods’ Motion::Project::App.setup  do  |app|    #  ...    app.pods  do        dependency  'JSONKit'        dependency  'iActiveRecord'    end   end Sunday, September 16, 12

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Long way to go ! Sunday, September 16, 12

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Long way to go ! RM is only ~4 months old Sunday, September 16, 12

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Long way to go ! RM is only ~4 months old Something it lacks: - Debugger (but REPL kind of makes it easy) - Some dynamic code doesn’t work (but hey !!!) Sunday, September 16, 12

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RM applications on AppStore Sunday, September 16, 12

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RM applications on AppStore Everclip Sunday, September 16, 12

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RM applications on AppStore Everclip Cabify Sunday, September 16, 12

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RM applications on AppStore Everclip Cabify Survey Sunday, September 16, 12

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RM applications on AppStore Everclip Cabify http://signup.bigdayreminder.com/ Survey Sunday, September 16, 12

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RM applications on AppStore Everclip Cabify http://signup.bigdayreminder.com/ http://jukely.com/ Survey Sunday, September 16, 12

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THANK YOU Sunday, September 16, 12

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One more thing ! 15% discount [email protected] Sunday, September 16, 12