1. RubyConf Taiw
an
RubyMotion Gets A
Cool New Friend
mruby on iOS

2. Who Am I?

3. 古傑芳

4. @josephku

6. !WHAT’S
RUBYMOTION?
A Ruby toolchain for iOS
Develop and test native iOS app in Ruby
Based on MacRuby

7. Objective-C
Objective-C Runtime
iOS SDK
Foundation Framework

8. Objective-C
Objective-C Runtime
iOS SDK
Foundation Framework
RubyMotion

9. !
WHY RUBYMOTION?
100% native code
Keep your editor
App Store compliant

14. !
DEPLOYMENT
Deploy your app to beta testers by TestFlight
!
!
Deploy to App Store
$ rake archive:distribution
$ gem install motion-testflight
$ rake testflight notes='Orz'

15. !UPDATES FOR
RUBYMOTION
Xcode 5.1 & iOS 7.1 support
OS X support
Templates
Fix tons of memory management issues
Background fetching
Performance improvements

16. WWDC 2013 June 10-14

17. Super aggressive team!

18. Babe, Let’s Rock!!

19. class Test
def test
foo = 42
Proc.new { foo + 123 }
end
end
!
Test.new.test.call # Crashes sometimes

20. mruby
1.0.0

22. How about mruby on
Apple’s 64-bit A7 SoC?

23. app.archs['iPhoneOS'] << 'arm64'
RubyMotion - Rakefile

24. MRuby::CrossBuild.new('ios-arm64') do |conf|
toolchain :gcc
!
conf.cc.flags << "-arch arm64"
conf.linker.flags << "-arch arm64”
# ...
!
end
mruby - build_config.rb

25. #define MRB_INT64

26. #define MRB_USE_FLOAT

27. #define MRB_USE_FLOAT; #define MRB_INT64
0%
1%
2%
3%
4%
5%
6%
bm_so_lists.rb fib39.rb
Benchmark on A7

30. 64-bit RiteVM

31. !WHY MRUBY &
RUBYMOTION?
Focusing
Avoiding limitations

32. DSL

33. mruby + RubyMotion = ?

34. Where to use?

35. Explain things better

37. {
"uuid": "B9407F30-F5F8-466E-AFF9-25556B57FE6D",
"events": [
{
"proximity": "immediate",
"url": "http://host.com/event/1"
},
{
"proximity": "near",
"url": "http://host.com/event/2"
},
{
"proximity": "far",
"url": "http://host.com/event/3"
}
]
}

39. beacon b1 do
uuid "B9407F30-F5F8-466E-AFF9-25556B57FE6D"
major 75682
minor 1
end
!
beacon b2 do
uuid "B9407F30-F5F8-466E-AFF9-25556B57FE6D"
major 75682
minor 2
end
!
beacon b3 do
uuid "B9407F30-F5F8-466E-AFF9-25556B57FE6D"
major 75682
minor 3
end
!
event b1.far, b2.near do
url “https://host.com/event/1"
end
!
event b2.immediate, !b3.far do
url “https://host.com/event/2"
end

40. Game scripting in mruby

41. Lua! Ruby!

42. Babe, Let’s Rock!!

43. Hide your code

44. #include <stdint.h>
const uint8_t nothing_here[] = {
0x52,0x49,0x54,0x45,0x30,0x30,0x30,0x32,0x1f,0xef,0x00,0x00,0x00,0x62,0x4d,0x41,
0x54,0x5a,0x30,0x30,0x30,0x30,0x49,0x52,0x45,0x50,0x00,0x00,0x00,0x44,0x30,0x30,
0x30,0x30,0x00,0x00,0x00,0x38,0x00,0x01,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x04,
0x00,0x80,0x00,0x06,0x01,0x00,0x00,0x3d,0x00,0x80,0x00,0xa0,0x00,0x00,0x00,0x4a,
0x00,0x00,0x00,0x01,0x00,0x00,0x08,0x74,0x6f,0x6c,0x64,0x20,0x79,0x6f,0x75,0x00,
0x00,0x00,0x01,0x00,0x04,0x70,0x75,0x74,0x73,0x00,0x45,0x4e,0x44,0x00,0x00,0x00,
0x00,0x08,
};
secret.c
$ mrbc -Bnothing_here secret.rb
mrb.read_irep nothing_here
mrb.run

45. Ruby Everywhere!!

46. Any questions?

47. Thank you!