1. iPhone
Sora Harakami
5/30/2010 - Online.sg #11 * OpenForce

2. • @sora_h
• http://sorah.cosmio.net/
• Sora Harakami
• Online.sg
• Obj-C
• Cocoa (touch)
•
• iPad
• Rubyist

3. • Online.sg
• onsg
•

4. Agenda
• iPhone SDK / Obj-C
• iPhone Hello, World simulator
• App Store

5. iPhone

6. • iPhone SDK
• XCode
• Mac
•
• Objective

7. What's "Objective-
C" ?
• Cocoa iPhone / iPad
• objective
•C
•
Google

8. • Ruby !
• if
neocon!

9. Ruby
# Comment
"hoge" # String
Obj-C
// Comment
@"hoge"; # NSString

10. Ruby
foo.bar()
foo.calc(1,"add")
foo.result #=> 1
Obj-C
[foo bar];
[foo calc:1 withMethod:@"add"];
foo.result

11. Ruby
Hoge.new
Hoge.new(123)
Obj-C
[Hoge alloc];
[[Hoge alloc] init:123];

12. Ruby
hoge = "abc"
Obj-C
NSString *hoge = @"hoge";

13. // Header
@interface Hoge : NSObject {
// Instance variables
NSString *foo;
}
// methods
-(void) huga:(NSString *)str;
@end

14. // Implementation
#import "hoge.h" // Header file
@implementation Hoge
-(void)huga: (NSString *)str {
// Do something....
}
@end

15. -(void)foo:(NSString *) bar:(NSString *) {...}
-(void)foo:(NSString *) bar:(NSString *)

16. • Append Hello, world

17. • iPhone: Apple
• XCode: Mac/iPhone IDE
• Interface builder: UI

18. Hello, world
1.
2. Interface Builder UI
3. XCode
4. IB
5.

19. 1. XCode
2. Cmd-Shift-N
3. "iPhone OS" > "Application"
4. "View-Based Application"
5. Product iPhone enter
6.
xcodeproj
"onsg11"

20. Interface Builder?
•
• GUI
• UI

21. IB
• "onsg11ViewController.xib"
• Tools
• View "Round Rect Button"
• Label

22. • Apple
•
• Append
• Hello
•

23. • *.h
• *.m

24. Outlet and Action
• : UI
• :
• ib

25. outlet/action
Outlet
•
Action
•

26. • XCode
• Outlet
• Action

27. onsg11ViewController.h
@interface onsg11ViewController : UIViewController {
IBOutlet UILabel *label;
}
...

28. onsg11ViewController.h
@interface onsg11ViewController { ... }
-(IBAction) append: (id)sender;
...
onsg11ViewController.m
@implementation onsg11ViewController
-(IBAction) append:(id) sender {
// This method is called when button is pressed
}

29. • IB
• onsg11ViewController.xib view
• →
• "Touch Up Inside" ○ onsg11.. File's Owner
• "append:"

30. • "File's owner"
• label ○ hello
•

31. • Label UILabel
• text
•
•

32. onsg11ViewController.m
@implementation onsg11ViewController
-(IBAction) append:(id) sender {
label.text = @"Hello, world";
}

33. • Xcode
overview Simulator
• Simulator - 3.x.x | Debug
Build and run

34. •

35. App Store
•
• iPhone dev program
•

36. •
• iPhone
• iPad
•
• http://d.hatena.ne.jp/codnote/
20100519/1274246643