iPhone Apps II

EungShik KimFeb 21, 2009

UANGEL Corporation

iDrummer Development

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iDrummerInstroduction

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iDrummerFeatures

• Fast startup with ‘Default.png’ image file

• Scaled transform while loading first view

• Changing view with UIPageControl

• Flipping view by preference setting

• Effect images and sound by UITouch

• Playing sound effect automatically

• Remember user default settings

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iDrummerUsing Components

• UIViewController, UIView, UIImageView, ...

• UITableView, UITableViewCell, ...

• UIAccelerometer (not included in v1.0)

• Control OpenAL Audio (OpenAL/al.h)

• UISlider(Overrided), UISwitch, UILabel, ...

• NSThread, NSUserDefaults

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iDrummerDevelopment Log

• Making first draft (Without design)

• Making second draft (With design)

• Add ‘page slide’ with accelerometer

• Add ‘Timer Thread’ and ‘8, 16, 32 beat’

• iDrummer alpha open

• Changing sound to ambient audio session

• Distribute on iTunes AppStore

2/21/51/2 2/4 2/82/5 2/6 2/16

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iDrummerDevelopment

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iDrummerApplication Launching

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iDrummerApplication Launching Mechanism

UIApplicationMain()

Other Sources/main.m

Framework: UIKit

UIApplication

Resources/MainWindow.xib

Inherit: UIResponder: NSObject

<UIApplicationDelegate>

Application Cotroller/iDrummerAppDelegate.h

Framework: UIKit

[applicationDidFinishLaunching]

Application Cotroller/iDrummerAppDelegate.m

Class: UIApplicationDelegate

[RootViewController viewDidLoad]

Application Cotroller/RootViewController.m

Class: UIViewController

AcousticDrumView

ElectronicDrumView

MiniDrumView

ThumbDrumView

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iDrummerUIViewController

& UIView

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!N > Cocoa Touch Classes > UIViewController subclass Insert filename

iDrummerCreate UIViewController class

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UIViewController class

Code Review

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!N > Cocoa Touch Classes > UIView subclass Insert filename

iDrummerCreate UIView class

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UIView class

Code Review

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iDrummerCreate XIB file 1

Right click on ‘Resources’ User Interfaces > View XIB

Insert filename

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iDrummerCreate XIB file 2

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iDrummerCreate XIB file 3

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iDrummerCreate XIB file 4

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Connect to RootViewController

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iDrummerClass Hierarchy

& NSUserDefaults

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iDrummerNSUserDefaults - Register

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iDrummerNSUserDefaults - Restore

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iDrummerNSUserDefaults - Remember

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iDrummerUITableViewCell

& Override UISlider

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!N > Cocoa Touch Classes > UITableViewCell subclass Insert filename

iDrummerCreate UITableViewCell class

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UITableViewCell class

Code Review

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iDrummerOverride UISlider

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iDrummerUIAccelerometer

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iDrummerUIAccelerometerDelegate Protocol

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UIAccelerometer

Code Review

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iDrummerOpenAL Service

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iDrummerCore Audio in iPhone OS

iPhone OS Core Audio architectureMac OS X Core Audio architecture

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SoundEngine.cpp

Code Review

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iDrummerAnd so force...

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iDrummerEnabling Multiple Touch

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iDrummerFast Startup with Default.png

320px

480px

Default.png

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iDrummerScaled transform loading first view

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iDrummerChange view with UIPageControl

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iDrummerFlipping view with ‘i’ button

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iDrummerEffect images and sound by UITouch

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iDrummerHide the status bar of iPhone

Create ‘UIStatusBarHidden’ key and checked value

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Thanks.

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