2ndWeek_Introduction to iPhone OS.key

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1 Introduction to iphone OS _2 Dept. of Multimedia Science, Sookmyung Women s University. Prof. JongWoo Lee

2 Index iphone SDK Xcode Interface Builder Objective-C Dept. of Multimedia Science, Sookmyung Women s University. Prof. JongWoo Lee

3 iphone SDK

4 iphone OS - Core OS Free BSD UNIX - Core Services iphone OS Core Foundation :,, - Media Media Player - Cocoa Touch Core Data:, SQLite Address Book: API Quarts : Core Graphics, OPenGL ES, Quartz Core Core Audio: Audio Toolbox, Audio Unit, AVFoundation, OpenAL user application UIKit framework View,, control

Quarts : Core Graphics, OPenGL ES, Quartz Core Core Audio: Audio Toolbox,

5 - iphone SDK iphone - Xcode (IDE, Integrated Development Environment) - Interface Builder - iphone Simulator

6 iphone SDK(1/2) iphone SDK - : ( ) - ios 4.0 Xcode iphone SDK 4 - DMG OS (MS ISO )

7 iphone SDK(2/2) iphone SDK - Xcode and iphone SDK for Snow Leopard -! - SDK /Developer - Xcode /Developer/Application

8 Hello World! Xcode

9 Xcode Xcode - /Developer/Application - Dock finder - Macintosh HD/Developer/Applications/Xcode -, Dock Xcode

10 Xcode - (1/2) - File [New Project...] View-based Application

11 - Xcode - (2/2) Hello World

12 Xcode - Xcode Hello World Detail View Groups & files Groups & files

13 Xcode Groups & Files Classes Xcode - Groups & Files Other Sources Objective-C _Prefix.pch :, main.m : main(), Resources,, MainWindow.xib : ViewController.xib : Info.plist : Property list Framework,,,

14 iphone. Interface Hello world Builder! Hello_WorldViewController.xib!

15 Hello World! Interface Builder

16 Interface Builder Hello_WorldViewController.xib View main Library ( ) Inspector

17 Interface Builder Hello_WorldViewController.xib - nib - nib File s Owner First Responder, - File s Owner nib nib - First Responder, first responder first responder first responder - View - UIView - 4 View

18 Interface Builder?!, - UIButton, UIButton *mybutton = [[UIButton alloc] initwithframe:arect]; Interface Builder

19 View Interface Builder - Library nib Label View Label : Label Hello, World!

20 Hello World Interface Builder - command+s Xcode - - Build/ Build and Run iphone Simulator

21 !

22 ! - MVC Hello World -! - - (MVC; Model-View-Controller) - MVC - GUI - Model - View UI - Controller

23 , Hello World!

24 Hello World Hello_WorldViewController.h ( ) #import <UIKit/UIKit.h> // //UIViewController Hello_WorldViewController : UIViewController { UILabel * statustext; } // Interface Builder (nonatomic, retain) IBOutlet UILabel *statustext;!! // // Interface Builder - (IBAction)LbuttonPressed:(id)sender; - (IBAction)RbuttonPressed:(id)sender; Hello_WorldViewController.h - : IBOutlet nib (nib ) - : IBAction

25 Hello World Hello_WorldViewController.m Hello_WorldViewController.m ( ) #import statustext; // - (IBAction)LbuttonPressed:(id)sender { //. NSString *title = [sender titleforstate:uicontrolstatenormal]; NSString *newtext = [[NSString alloc] initwithformat:@"%@.", title]; statustext.text = newtext; // alloc release. [newtext release]; } // - (IBAction)RbuttonPressed:(id)sender { NSString *title = [sender titleforstate:uicontrolstatenormal]; NSString *newtext = [[NSString alloc] initwithformat:@"%@.", title]; statustext.text = newtext; [newtext release]; } - (void)dealloc {! [statustext release]; [super dealloc];

26 Hello World Hello_WorldAppDelegate.h Hello_WorldAppDelegate.h ( - ) #import Hello_WorldViewController; Delegate : UIApplication UIKit UIApplication UIApplication Hello_WorldAppDelegate : NSObject <UIApplicationDelegate> { UIWindow *window; Hello_WorldViewController *viewcontroller; (nonatomic, retain) IBOutlet UIWindow (nonatomic, retain) IBOutlet Hello_WorldViewController UIApplicationDelegate option!

27 Hello World Hello_WorldAppDelegate.m Hello_WorldAppDelegate.m ( - ) #import "Hello_WorldAppDelegate.h" #import viewcontroller; // - (BOOL)application:(UIApplication *)application didfinishlaunchingwithoptions: (NSDictionary *)launchoptions { // Override point for customization after application launch. // Add the view controller's view to the window and display. [window addsubview:viewcontroller.view]; [window makekeyandvisible]; } return YES; - (void)dealloc { [viewcontroller release]; [window release]; [super dealloc]; Xcode Interface Builder!

28 Hello World Hello_WorldViewController.xib Hello_WorldViewController.xib - View - Label Attributes - Attributes, command+1

29 Hello World Hello_WorldViewController.xib Round Rect Button View!

30 Hello World Hello_WorldViewController.xib File s Owner (IBOutlet) File s Owner View statustext

31 Hello World Hello_WorldViewController.xib - View command+2 connections inspector. - Touch Up Inside. Touch Up Inside :, Touch Up Inside - Touch Up Inside File s Owner - LbuttonPressed - Touch Up Inside, RbuttonPressed

32 Hello World!! Interface Builder Xcode!!

33 Objective-C

34 Objective-C? 1980 C iphone Framework Library Objective-C C C/C++, C# Objective-C.h, class interface.m C, Objective-C implementation.mm Objective-C C++

35 Objective-C - -. [ ] - ; [ : ] ) [object method]; [object methodwithinput:input]; output = [object methodwithoutput] output = [object methodwithinputandoutput:input]; - ) id myobject = [NSString string]; (id? myobject ), NSString* mystring = [NSString string]; ( Objective-C * ) - mywidget PowerOn ) Objective-C returnvalue = [mywidget poweron]; C++ returnvalue = mywidget PowerOn(); C returnvalue = widget_poweron(mywidget);

36 Import - #include #import Objective-C - Objective-C Private -, - ) [photo setcaption:@ Day at the Beach ]; output = [photo caption]; // caption Objective-C getter get -.(dot).(dot) (getter and setter) Objective-C 2.0 ) photo.caption Day at the Beach ; output = photo.caption;

37 Objective-C property - - interface (nonatomic, retain) IBOutlet UILabel *statustext;! nonatomic - retain - Objective-C - statustext; String - c String - Objective-C framework NSString ) NSString *mystring String\n"; NSString *anotherstring = [NSString stringwithformat:@"%d %s", // Create an Objective-C string from a C string NSString *fromcstring = [NSString stringwithcstring:"a C string" encoding:nsasciistringencoding];

38 Objective-C MyClass : NSObject { int count; id data; NSString* name; } // interface.h.m implementation - (id)initwithstring : (NSString*)aName; + // + ( ) - ( ) MyClass -(id)initwithstring:(nsstring *)aname; { if(self = [super init]){ name = [aname copy]; } return self; } + (MyClass*)createMyClassWithString:(NSString*)aName; { return [[[self alloc] initwithstring:aname] autorelease];

39 Objective-C - (void)insertobject:(id)anobject atindex:(nsuinteger)index - [myarray insertobject:anobject atindex:0]; - ([ [] ]) [[myappobject thearray] insertobject:[myappobject objecttoinsert] atindex:0]; -.( ) accessor methods(, getter or setter) [myappobject.thearray insertobject:[myappobject objecttoinsert] atindex:0]; myappobject.thearray = anewarray;

40 - command + space bar - command + s - command + a, command + c, command + v

41 iphone OS Hello World

Microsoft PowerPoint - 4-UI 애플리케이션

Microsoft PowerPoint - 4-UI 애플리케이션 UIApplication 클래스 UIApplicationDelegate 프로토콜 순천향대학교 컴퓨터공학과 이 상 정 1 UIApplication 클래스 순천향대학교 컴퓨터공학과 이 상 정 2 UIApplication 클래스 개요 이 장에서는 UIApplication 클래스를 기본으로 하여 아이폰 프 로그램 동작 과정을 이해 인터페이스 빌더를 사용하지 않는 아이폰