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MacRuby for Fun and Profit

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MacRuby
        For fun...
       and profit!


Presented by: Joshua Ballanco
A quick introduction...
• Been using Ruby since 2004
• MacRuby Core Team member
• Worked for Apple 2006 to 2010
• Currentl...
Overview
• Using MacRuby as a Cocoa REPL
• Cocoa Development with MacRuby
 •   Getting Started

 •   Building and Running
...

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MacRuby for Fun and Profit

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This is a talk that I gave for the Boston Ruby Group on Dec. 13, 2011. The talk covers the use of MacRuby as a Cocoa REPL for learning and exploration, and integration between MacRuby and Xcode for the development of OS X applications.

This is a talk that I gave for the Boston Ruby Group on Dec. 13, 2011. The talk covers the use of MacRuby as a Cocoa REPL for learning and exploration, and integration between MacRuby and Xcode for the development of OS X applications.

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MacRuby for Fun and Profit

  1. 1. MacRuby For fun... and profit! Presented by: Joshua Ballanco
  2. 2. A quick introduction... • Been using Ruby since 2004 • MacRuby Core Team member • Worked for Apple 2006 to 2010 • Currently at Patch (AOL) • https://github.com/jballanc • @manhattanmetric
  3. 3. Overview • Using MacRuby as a Cocoa REPL • Cocoa Development with MacRuby • Getting Started • Building and Running • Hooking Up a UI • Using Gems • Packaging and Shipping
  4. 4. What is MacRuby? • http://www.macruby.org • http://www.macruby.org/files/ • http://www.macruby.org/files/nightlies/ • Available from RVM (but not recommended) • Source at GitHub: https://github.com/MacRuby/MacRuby
  5. 5. What is MacRuby? • Compiling MacRuby: • Need LLVM *2.9* (see the README) • rake ; sudo rake install • Bugs – https://www.macruby.org/trac/report • MacRuby-devel mailing list • @macruby, #macruby
  6. 6. Ruby Syntax
  7. 7. Ruby Syntax Parser MRI’s parse.y Compiler RoxorCompiler <C++> VM (sans GVL) LLVM (with JIT) RoxorVM & RoxorCore <C++> Objective-C Runtime
  8. 8. MacRuby for Fun! • REPL – Read Eval Print Loop
  9. 9. MacRuby for Fun! • REPL – Read Eval Print Loop • Useful tool for learning, development, and debugging
  10. 10. MacRuby for Fun! • REPL – Read Eval Print Loop • Useful tool for learning, development, and debugging • LISP, Python, Ruby all benefit from a REPL • C, C++, Java do not
  11. 11. MacRuby for Fun! • REPL – Read Eval Print Loop • Useful tool for learning, development, and debugging • LISP, Python, Ruby all benefit from a REPL • C, C++, Java do not • Obj-C ...has MacRuby!
  12. 12. MacRuby for Fun!
  13. 13. MacRuby for Fun! • Let’s learn CoreData!
  14. 14. MacRuby for Fun! • Let’s learn CoreData! • There sure is a lot of documentation on http://developer.apple.com about CoreData
  15. 15. Core Data Utility Tutorial Data Management 2010-09-19
  16. 16. Contents Introduction Introduction to Core Data Utility Tutorial 7 Who Should Read This Document 7 Organization of This Document 7 See Also 8 Chapter 1 Overview of the Tutorial 9 Task Goal 9 Chapter 2 Creating the Project 11 Create a New Project 11 Create the project 11 Link the Core Data framework 11 Adopt Garbage Collection 12 What Happened? 12 Chapter 3 Creating the Managed Object Model 13 Specifying the Entity 13 Create the Managed Object Model 13 Create the Model Instance 13 Create the Entity 14 Add the Attributes 14 Add a Localization Dictionary 15 Instantiate a Managed Object Model 16 Build and Test 16 Complete Listing 16 Chapter 4 The Application Log Directory 19 The applicationLogDirectory Function 19 Update the main Function 20 Build and Test 20 Chapter 5 Creating the Core Data Stack 21 Overview 21 The managedObjectContext Function 21 Create the Context Instance 21 Set up the Persistent Store Coordinator and Store 22 3 2010-09-19 | © 2005, 2010 Apple Inc. All Rights Reserved.
  17. 17. CHAPTER 8 Complete Source Listings if ([key isEqualToString:@"processID"]) { self.processID = 0; } else { [super setNilValueForKey:key]; } } @end 38 The Run Class 2010-09-19 | © 2005, 2010 Apple Inc. All Rights Reserved.
  18. 18. MacRuby for Fun! • Let’s learn CoreData! • There sure is a lot of documentation on http://developer.apple.com about CoreData
  19. 19. MacRuby for Fun! • Let’s learn CoreData! • There sure is a lot of documentation on http://developer.apple.com about CoreData • Documentation is boring :-(
  20. 20. setup.rb
  21. 21. MacRuby for Fun! • Let’s learn CoreData! • There sure is a lot of documentation on http://developer.apple.com about CoreData • Documentation is boring... :-(
  22. 22. MacRuby for Fun! • Let’s learn CoreData! • There sure is a lot of documentation on http://developer.apple.com about CoreData • Documentation is boring... :-( • REPLs are fun! :-)
  23. 23. MacRuby for Profit! • Things you will need: • MacRuby nightly build (or 0.11 when it comes out) • Xcode 4.2 (v4.1 is definitely broken, v3- series may still work) • Gumption (and the mailing list address)
  24. 24. MacRuby for Profit! • Install Xcode FIRST! then MacRuby • Start Xcode, choose the MacRuby template • Build and go!
  25. 25. Building and Running • MacRuby template already contains targets needed to compile, build, and run • macruby_deploy does all the hard work...
  26. 26. Hooking Up a UI • MacRuby classes are Objective-C classes • Define outlets with attr_* methods • Any MacRuby method with a single argument named “sender” can be used as an action
  27. 27. Using Gems • Install with sudo macgem install <gemname> • Require Gems in rb • Use Gems for Development • Vendor Gems with macruby_deploy --gem for Distribution
  28. 28. Packaging and Shipping • App bundles generated by macruby_deploy are relocatable to machines without MacRuby (or even with incompatible versions of MacRuby) • Bundles can be signed for App store distribution with the codesign CLI tool • Excellent blog post at: http://astonj.com/ tech/how-to-submit-your-macruby-app-to- the-mac-app-store/
  29. 29. Bonus!
  30. 30. MacRuby... ...and you didn’t even know it!!! • CocoaPods! • https://github.com/CocoaPods/CocoaPods • Like Gems for iOS (and OS X... and MacRuby) • Uses MacRuby under the covers • Complemented by Laurent Sansonetti!
  31. 31. Thank you! *Flame transition quota fulfilled
  32. 32. Questions? *Flame transition quota fulfilled

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