Chapter 2 iPhone App Store and App Business Issues

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Chapter 2 iPhone App Store and App Business
Issues
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1. iPhone Application Development Tool

• Xcode free downloadable. Xcode is an Integrated
  Development Environment (IDE) containing a suite
  of software development tools developed by Apple
  for developing software for OS X and iOS. First
  released in 2003, the latest stable release is
  version 4.4.1 and is available via the Mac App
  Store free of charge for Mac OS X Lion and OS X
  Mountain Lion users.

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2. iPhone Developer Program Setting up your
profile for Testing and Submitting Apps

• Setting up your iPhone development team
• https//developer.apple.com/
• Team Agent has all primary responsibilities for
  the account.
• Getting an iPhone Development Certificate
• Register Devices for Testing
• Creating App IDs
• Create a Provisioning Profile
• Using the Provisioning Profile to Install an App
  on an iPhone, iPad, or iPod Touch
• Submitting Your App for Distribution

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Model-View-Controller Design Pattern.h file
declare variables, define class

• import ltUIKit/UIKit.hgtint count // global
  variable
• _at_interface ViewController UIViewController
• IBOutlet UILabel number // variable
• - (IBAction)add // method declaration
• - (IBAction)subtract - (IBAction)reset -
  (IBAction)dbl - (IBAction)opposite _at_end

Key word
Superclass
Subclass
Method name
Return type
- instance method static method
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Model-View-Controller Design Pattern.m file
implementation of class
Key word

• _at_implementation ViewController- (IBAction)add
  count number.text NSString
  stringWithFormat_at_"i", count
• _at_end

NSString object
string C-style string
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NSString Class Reference

• https//developer.apple.com/library/mac/documenta
  tion/Cocoa/Reference/Foundation/Classes/NSString_C
  lass/Reference/NSString.html
• The NSString class declares the programmatic
  interface for an object that manages immutable
  strings. An immutable string is a text string
  that is defined when it is created and
  subsequently cannot be changed. NSString is
  implemented to represent an array of Unicode
  characters, in other words, a text string.
• NSString class contains 146 methods.
• stringWithFormat
• Returns a string created by using a given format
  string as a template into which the remaining
  argument values are substituted.
• (id)stringWithFormat(NSString )format, ...

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UILabel Class Reference

• The UILabel class implements a read-only text
  view. You can use this class to draw one or
  multiple lines of static text, such as those you
  might use to identify other parts of your user
  interface.
• See below for detail
• https//developer.apple.com/library/ios/documenta
  tion/UIKit/Reference/UILabel_Class/Reference/UILab
  el.html