* Talk @ RubyConf Taiwan 2012 (2012.12.08)

1. an
Taiw
nf
C o
by
Ru
RubyMotion
HACK YOUR IOS APP LIKE NEVER BEFORE

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
Laurent Sansonetti (@lrz)

7. Why RubyMotion?

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

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

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

15. Babe, Let’s Rock!!

16. Dirty

17. Dirty

18. The Last Mile

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

20. Objective-C
// Foo.h
@interface Foo: NSObject
{
}
@property (nonatomic, strong) NSString *bar;
@end
// Foo.m
#import “Foo.h”
@implementation Foo
@synthesize bar = _bar;
@end
RubyMotion
class Foo
attr_accessor :bar
end

21. WTF!!
outputImageProviderFromBufferWithPixelFormat:pixelsWide:pixelsHigh:ba
seAddress:bytesPerRow:releaseCallback:releaseContext:colorSpace:shoul
dColorMatch:

22. Objective-C
NSDictionary *rules = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber NumberWithBool:TRUE],"RubyIsAwesome",nil];
RubyMotion
rules = { RubyIsAwesome: 1 }
What’s the magic??

23. Babe, Rock Again!!

24. LIMITATIONS
require
eval
define_method
Proc#binding
Regular gems don’t work

25. PROS & CONS
One-time fee of $199
Growing faster and faster
Apple’s attitude

26. Is RubyMotion the future?

27. DSL

28. App.alert("BubbleWrap is awesome!")
App.run_after(0.5) { p "It's #{Time.now}" }
App.open_url("http://rubyconf.tw/2012/")
Device.iphone?
Device.ipad?
Device.front_camera?
BW::Media.play_modal("http://www.hrupin.com/wp-content/
uploads/mp3/testsong_20_sec.mp3")
EM.add_timer 1.0 do
puts "Great scott!"
end

31. RubyMine

34. IS THE RUBYMOTION
THE FUTURE?
DSL
Well-known editor and IDE Support
Active community

35. C’mon, it’s Ruby!!

36. Any questions?

37. Thank you!