Rubymotion - the introduction

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RUBYMOTION Introduction seanlilmateus Montag, 14. Oktober 13

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About Me  seanlilmateus  Mateus Armando Deutsche Telekom AG MacRuby & Rubymotion enthusiastic Mobile OS Geek Montag, 14. Oktober 13

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About Me  seanlilmateus  Montag, 14. Oktober 13

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 seanlilmateus  What? Montag, 14. Oktober 13

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 seanlilmateus  What? Montag, 14. Oktober 13

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 seanlilmateus  How is this possible??? Montag, 14. Oktober 13

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 seanlilmateus  @lrz Laurent Sansonetti The Initiator Montag, 14. Oktober 13

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 seanlilmateus  @lrz MacRuby 7 years of experience at Apple Mac OS X IDA Pro GNOME Laurent Sansonetti RubyCocoa RubyMotion iLife The Initiator Montag, 14. Oktober 13

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 seanlilmateus  Ruby Montag, 14. Oktober 13

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 seanlilmateus  LLVM IR Montag, 14. Oktober 13

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 seanlilmateus  ASSEMBLY Montag, 14. Oktober 13

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Objective-C iOS SDK Foundation.framework Objective-C Runtime  seanlilmateus  Montag, 14. Oktober 13

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Ruby Objective-C iOS SDK Foundation.framework Objective-C Runtime  seanlilmateus  Montag, 14. Oktober 13

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FAST  seanlilmateus  Montag, 14. Oktober 13

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Smalltalk Objective-C Ruby  seanlilmateus  Perl C Montag, 14. Oktober 13

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 seanlilmateus  Open-Classes Objective-C • Objective-C is using “Categories” •Implementation : @implementation NSNumber (TimeDiff) - (NSNumber *)days { return [NSNumber numberWithInteger:([self intValue] * 24 * 60 * 60)]; } - (NSDate *)ago { return [NSDate dateWithTimeIntervalSinceNow:[self intValue]]; } @end Ruby(Motion) class Fixnum def days self * 24 * 60 60 end def ago Time.now - self end end Montag, 14. Oktober 13

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 seanlilmateus  Mixins Objective-C • No mixins available in ObjC language • Runtime Implementation : class_addMethod(Class cls, SEL name, IMP imp, const char *types); Ruby(Motion) module CapitalNames def capitalized_name name.upcase end end class User include CapitalNames def initialize name @name = name end def name @name end end Montag, 14. Oktober 13

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 seanlilmateus  But WHY????? Montag, 14. Oktober 13

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Thinking In A Foreign Language Helps You Make Rational Decisions.  Science Thursday, April 26th 2012 at 3:10 pm Montag, 14. Oktober 13

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 seanlilmateus  Do You Love Ruby? Well, now Ruby loves iOS Montag, 14. Oktober 13

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 seanlilmateus  Ruby ways Objective-C NSFileManager *mgr = [NSFileManager defaultManager]; NSArray *paths =[mgr contentsOfDirectoryAtPath:@"/etc" error:nil]; [paths enumerateObjectsUsingBlock:^(id obj, ...) { NSLog(@"%@", obj); }]; Ruby(Motion) Dir["/etc"].each do |name| puts name end Montag, 14. Oktober 13

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http://fuckingblocksyntax.com/ Montag, 14. Oktober 13

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 seanlilmateus  Learning from ObjC Objective-C [string drawAtPoint:point withFont:font]; Ruby(Motion)string.drawAtPoint(point, withFont:font) Montag, 14. Oktober 13

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REQUIREMENTS  seanlilmateus  Montag, 14. Oktober 13

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