Rubymotion. Sugar for iOS.

Cocoaheads, Grodno, December, 2013

1. rubymotion Sugar for iOS
2. HELLO code1n « allomov đ
3. I will talk about rubymotion
4. I will talk about rubymotion RubyMotion Laurent Sansonetti
5. How it works? 1 2 3 4 RUBY CODE AST (semantic tree) LLVM IR Machine code Ruby parser RubyMotion LLVM code generator
6. How it works? # Ruby "Hello BRUG".class.ancestors => [String, Comparable, Object, Kernel, BasicObject] # RubyMotion "Hello BRUG".class.ancestors => [String, NSMutableString, NSString, Comparable, NSObject, Kernel] OBJECTS
7. Ruby is neat RubyMotion Objective-C
8. met aprogramming is almost magic
9. Objective-C <objc/runtime.h>
10. send def tableView(tableView, didSelectRowAtIndexPath:indexPath) menu_row = self.menu_items[indexPath.row] # => 'profile' self.send("open_#{menu_row}") end ! def open_profile; #...; end def open_messages; #...; end ! def open_feed; # ...; end
11. method_missing Slide is missing Please, imagine suitable image
12. define_method module Mouth def self.can_say(name) define_method("say_#{name}") do name.upcase end end end ! class Person include Mouth can_say :hello end ! person.say_hello # => "HELLO"
13. DSl Domain Specific Language
14. Teacup teacup :main_window do style :UILabel, text: 'Hello!' style :hi_button, origin: [10, 10], title: 'Hi!' end
15. 20.times do rmq.append(UIButton).tag(:foo).move(l: rand(200), t: rand(500), w: 80, h: 20).style do |st| st.text = rand(200).to_s st.background_color = rmq.color.blue end end RMQ
16. REPL Wanna see some magic?
17. TDD RubyMotion integrates Bacon Bacon is small clone of the popular RSpec it can simulate user behaviour on device
18. Game in 15 minutes?
19. REPL Wanna see some magic? AppStore
20. THANK YOU FOR YOUR ATTENTION. Bye ! code1n « allomov đ