This document provides an introduction and overview of iPhone programming. It covers setting up the necessary resources like a Mac computer and iOS SDK. It introduces key concepts like the MVC model and application lifecycle. It also demonstrates how to connect interfaces to code using outlets and actions. Programming fundamentals discussed include view controllers, launching and moving between foreground and background states, and handling interruptions. Example code is provided to display input from a text field. An exercise is assigned to apply the concepts.

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iPhone Training
Lesson 1

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Contents
1 Introduction to iPhone Programming
2 Getting Setup
3 Programming Fundamentals
4 Example 1
5 Exercise 1

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Introduction to iPhone Programming

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Introduction to iPhone Programming
 Based on Objective-C
 Only one application running at a time (multi-tasking
implemented in OS 4)
 Only one window
 Limited Screen Size
 480 x 320 pixels (iPhone, 3G, & 3GS)
 960 x 640 (iPhone 4G)
 1024 x 768 (iPad)
 Limited System Resources

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Introduction to iPhone Programming
 Model – View –Controller (MVC) is
the method used for developing a
mobile app with XCode:
 Model holds your application’s data
 View holds the window, controls and other
UI
 Controller Binds the model and view
together and decides how to handle user
input

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Getting Setup
Resources you will need: Beginning iPhone 3
Development
Mac OS 10.6.x Programming in
and Objective-C
iOS SDK 2.4.x
Software MAC Mini Textbook
Or
MacBook Pro
Hardware

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Programming Fundamentals
New Project

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Programming Fundamentals
Tools -> Library
Interface Builder

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Programming Fundamentals
Key objects in an iOS
application

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Programming Fundamentals
The Application
Life Cycle

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Programming Fundamentals
State Description
The application has not been launched or was running but was terminated by the
Not running
system.
Inactive The application is running in the foreground but is currently not receiving events.
Active The application is running in the foreground and is receiving events.
Background The application is in the background and executing code.
Suspended The application is in the background but is not executing code.

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Programming Fundamentals
Launching into the
active state

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Programming Fundamentals
Moving from the
foreground to the
background

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Programming Fundamentals
Handling application interruptions

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Programming Fundamentals
Transitioning from the
background to the
foreground

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Outlets and Actions
Outlet

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Outlets and Actions
UI Code

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Outlets and Actions
- (IBAction) gotoNext:(NSString*)str;

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View Controllers

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View Controllers
[viewController addSubView:view]
[navigationController pushViewController:viewController]
[self.window addSubview:navigationController.view]
[self.window makeKeyAndVisible]

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Example 1
Input name = empty
Tap on display button

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Example 1
If name == “HireVietnamese”
Tap on display button

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Exercise 1

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