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Title: iOS Development Seminar

1
iOS Development Seminar

rodumani_at_sparcs.kaist.ac.kr
? ??
2013 06

2
iOS

Apple ? mobile OS
iPhoneOS3 -gt iOS4
iPhone, iPad, iPod touch
iOS61.3
Objective-C 2.0
Mac OS XCode4 ??
?? AppStore? ??
???? ?? ?? ??? ? ??

3
iOS Developer Program

iOS SDK? ??? ????
??? App? Device Test, ??, APNS, iCloud, ????? ???
???? ?? ??? ??
??? ???? ??? Simulator ?? ??
????? 99, ????? 299 per year
http//developer.apple.com/ios

4
iOS Developer Library

iOS ? ???? ??? ? ?? ??.
http//developer.apple.com/library/ios

5
Objective-C 2.0
Tutorial Start Developing iOS Apps
Today https//developer.apple.com/library/ios/ref
erencelibrary/GettingStarted/RoadMapiOS/chapters/W
riteObjective-CCode/WriteObjective-CCode/WriteObje
ctive-CCode.html
6
Objective-C 2.0

C? ???? Smalltalk Style? ??? ??? ??? OOP??
Next ?? NeXTSTEP?? ????? ?? ??? Next? ???? Mac OS
X? ??? ? NeXTSTEP? ??? ??? ??? ??? Cocoa
Framework? ?? ??
Objective-C 2.0? ??? 1.0?? ??? ??

7
Objective-C 2.0

C??? ??? ?????? ???
JAVA? interface? ?? Protocol ??, ??????
Method ??? ??, Message ?? ??? ?? ??
MVC??
Garbage Collector ??(ARC,Auto Reference Count)?
???? iOS??? 5.0???? ????

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????

.h Header file. class,type,function,constant
declaration
.m Implementation file. Objective-C C code.
.mm Implementation file. Objective-C C Code.

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??????

C? ?? ???
NSNumber, NSInteger, NSDouble...
NSString
NSDictionary,NSSet,NSArray,...
NSURL,NSURLRequest,NSURLResponse

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??????

Objective-C??? String? _at_? ???
_at_asdfasdf
iOS 6.0 ???? ??? Syntax? ????.
_at_"42 //NSNumber numberWithInt42
_at__at_"a",_at_"b //NSArray arrayWithObjects_at_a,_at_b
,nil
_at__at_"key1"_at_"value1",_at_"key2"_at_"value2

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??? ??(.h)
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??? ??(.h)
_at_interface classname superclassname
ltProtocol1,Protocol2gt // ??? ??
classMethod1 // ??? ??? (return_type)classMetho
d2 (return_type)classMethod3(param1_type)param
1_varName - (return_type)instanceMethod1(param
1_type)param1_varName (param2_type)param2_varName
// ???? ??? - (return_type)instanceMethod2WithPa
rameter(param1_type)param1_varName
andOtherParameter(param2_type)param2_varName _at_en
d
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??? ?? (.m)
import MyClass.h _at_implementation MyClass
(return_type)classMethod //
Implementation.. - (return_type)instanceMethod
// Implementation.. _at_end
14
???

Static typing
MyClass myObject1 // MyClass???? object? ??
Dynamic typing
id myObject2 // id???(void ???)? object? ??
id ? ??? ???? ?? Object? ??? ? ??.

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??? ??
16
??? ??

Object methodmessage
NSString stringWithFormat_at_"_at_",_at_"rodumani"
webView loadRequestNSURLRequest
allocinitWithURL
NSURL allocinitWithString_at_"http//m.naver.com"
NSURLRequest request1 webView request
NSURLRequest request2 webView.request

17
Property

In the general sense, property is some data
encapsulated or stored by an object. It is
either an attributesuch as a name or a coloror
a relationship to one or more other objects.
Property? setPropertyName, propertyName? setter,
getter? ?? ????, dot notation? ?? ??? ??.
Property?? getter, setter? ??? ?? Option? ? ? ??.
Accessor?? Cocoa,Cocoa Touch Framework?? KVC ??
?? ?? ??? ??? Element??.

18
Property Options

_at_property (nonatomic, copy) NSString userName
nonatomic / atomic
atomic? ????, Accessor Methods ? lock? ???? Multi
Thread? ???? ????. ??? ???? ??? ?? ??? ?? ???
nonatomic?? ??? ??? ?????. ???? atomic??.
assign / copy / retain
Value? Copy?? return??? ? ??? value? return ??.
Retian? ?? ????? ? ??? Reference Count? ????.
assign? setter? ?? ?? ??? ???? ??? ??.
readwrite / readonly
readonly? setter? ??.

19
Protocol

Protocol ??, Protocol? ???? Object? Protocol? ???
??? ???? ????, ? ???? ??? ??? ??? ???.
iOS ?? Delegate Pattern? ?? ?? ???? Pattern??
Object? ??? ??? ?? ?, Delegate(???)?? ??? ??? ???
???.
??? ???? ??? ?? ??? Protocol?? ????.
_at_interface HelloWorldViewController
UIViewController ltUITextFieldDelegategt

Delegate Pattern http//en.wikipedia.org/wiki/Del
egation_pattern
20
Category

?? ?? ???? ???? ??
?? ???? ?? ??? ??? Method? ?? ? ??.

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Start Developing iOS App Today

iOS ? ?? ??? ???? ???? ??? ??
http//developer.apple.com/library/ios/referencel
ibrary/GettingStarted/RoadMapiOS/index.html23//ap
ple_ref/doc/uid/TP40011343

25
iOS MVC Model
26

.h, .m ViewController ?? DataSource ? Source
Code
.storyboard, .xib MVC???? V? ???? Layout?
???? ??. (android layout xml)
storyboard ? Action? ?? ??? ??? ??? ? ?? ???
Layout ?? ????. (XCode 4.3 ??, iOS5 ????)

storyboard http//pinkyroman.tistory.com/4
27
? ????? ??? ??? ??

Mac OS X 10.8 Mountain Lion ??
Xcode 4.6.2
iOS 6.1.3
Deployment Target 6.0

28
Hello World!

Xcode? ??
Create a new Xcode project
?? ?? ???? File-New-Project
iOS Application Single View Application
Product name helloworld
Organization name SPARCS
Company Identifier org.SPARCS.
Class Prefix Empty
Devices iPhone
Use Automatic Reference Counting
StoryBoard? ????

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????!
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iOS Simulator

A?? ??????? ???? ?? ??? ??? 11???? ??
Hardware-Device?? ???? ??? ?? ??
Hardware Lock(?L), Home(?- Shift H) ?? ????
Lock? ??
????? ???? ??
Option?? ??? ??? ??? ( ?? ??? ?? )
?, iCloud, APNS ?? ???? ???? ??? ??? ??

41
?? ???
42
1. UI ??
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View ? Code? ??
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???
???? ??? ???
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??? ???? ??? ??