Hi! I’m @masuidrive. • Yuichiro MASUI - Ichi • Open source developer, Ruby fun • Pukiwiki, Ruby on Rails tutorial movie in Japanese, IKEA hacker • Furo-grammer (Coding in hot tub) • FrogApps, Inc. CTO // ex-Appcelerati Friday, November 2, 12
What’s MobiRuby? • iOS app development environment on mruby • MIT license • Can access native functions • Have plan for Android version • Already released MobiRuby based app • Search “mobiruby” in AppStore on iOS Friday, November 2, 12
mruby • New implementation of Ruby for embedding • Built by dad Matz • Less memory and storage • Not required POSIX, only C99 • CRuby subsetNot included File, Socket, Thread and more ext libraries Friday, November 2, 12
class
Cocoa::MyAlertView
<
Cocoa::UIAlertView
define
C::Void,
:alertView,
Cocoa::Object,
:clickedButtonAtIndex,
C::Int
do
|me,
idx|
if
idx.to_i
==
1
app
=
Cocoa::UIApplication._sharedApplica
urlstr
=
"http://mobiruby.org"
url
=
Cocoa::NSURL._URLWithString(urlstr)
app._openURL
url
end
end end \ class
Cocoa::MyAlertView
<
Cocoa::UIAlertView Hello world - 1st half Friday, November 2, 12
Next step \ class
MyAlertView
<
MobiRuby::AlertView
title
"Hello"
message
"I
am
MobiRuby"
cancelButton
"I
know!"
do
end
button
"What's?"
do
openURL
"http://mobiruby.org"
end end alert
=
MyAlertView.new alert.show Friday, November 2, 12
Will you release RiteVM soon? I want to run it on iOS/ Android. It’s mruby. I need more time to make public (probably June) Should I give you access to private repos? Yes! I want to try it! What’s your github account? Friday, November 2, 12
Bridge Cocoa runtime • Objective-C has powerful runtime features • Create and modify class dynamically • ObjC class <- Ruby class <- ObjC class • ObjC value interconverted with Ruby value • Supported delegate and blocks Friday, November 2, 12
Wrapped APIs \ class
MyAlertView
<
MobiRuby::AlertView
title
"Hello"
message
"I
am
MobiRuby"
cancelButton
"I
know!"
do
end
button
"What's?"
do
openURL
"http://mobiruby.org"
end end alert
=
MyAlertView.new alert.show Friday, November 2, 12
Current status • Already MobiRuby based app is in AppStore • Finally released alpha 1 • Can call almost iOS native functions • Writing test codes • Testing limited Thread feature. • It's only for iOS and mruby hackers Friday, November 2, 12
FAQ • What’s different from RubyMotion? • Can I use RubyGems? • Can I use exists Cocoa libraries? • Can I define new method to exist Cocoa class? • What version iOS does it support? Friday, November 2, 12
What’s different from RubyMotion? • RubyMotion is ... • LLVM based and compile to native code • extended Ruby syntax • Not Open source • Stable and faster • RubyMotion is ... • LLVM based and compile to native code • extended Ruby syntax • Not Open source • Stable and faster Friday, November 2, 12
What’s different from RubyMotion? Maybe we have same goal. But approach is different. • RubyMotion is ... • LLVM based and compile to native code • extended Ruby syntax • Not Open source • Stable and faster Friday, November 2, 12
Can I use RubyGems? • No, mruby doesn’t have compatibility with CRuby ext. APIs. • You need to write new extension for mruby • bovi and matz has discussed about mrbgems Friday, November 2, 12
Can I use existing Cocoa libraries? • Yes, you can use almost all existing libraries. • I think CocoaPods will be a good partner Friday, November 2, 12
Can I define new method to exist Cocoa class? • Yes, You can define new methods from Ruby • You can inherit exists Cocoa and create new class from Ruby Friday, November 2, 12
Wanted contributions • Here’s your big chance! An unexplored field! • Need understanding C/Objective-C and iOS development • Try MobiRuby first and build your sample app. Friday, November 2, 12
Questions? • If you have a question, please tweet to @mobiruby or post to facebook page. • http://twitter.com/mobiruby • http://facebook.com/mobiruby Friday, November 2, 12
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