Book Image

Learning Objective-C by Developing iPhone Games

By : Joseph D. Walters, Amy M. Booker
Book Image

Learning Objective-C by Developing iPhone Games

By: Joseph D. Walters, Amy M. Booker

Overview of this book

<p>The introduction of the Apple Store has empowered thousands, even millions of people to embrace software development. Using Objective-C and the Xcode IDE, you can produce awesome games and launch them on the Apple Store allowing you to make and sell games quickly and easily.</p> <p>From learning the basics of Objective-C to deploying to the App Store, you'll use this book to learn about game development in a matter-of-fact, helpful manner. Whether you're new to game development, or just want to learn how to leverage Apple's own tools to expand your skill set, you'll quickly move from a beginner to an expert.</p> <p>The book kicks off with the basics of game development, and you will take your first steps with using Xcode, the official Apple programming IDE, before moving on to the most important concepts involved in programming games using Objective-C. This book is a hands-on guide to developing the game of your dreams in no time for the Apple Store.</p>

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Learning Objective-C by Developing iPhone Games
Joseph D. Walters | Amy M. Booker
Apr, 2014 | 284 pages
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Table of Contents (17 chapters)
Learning Objective-C by Developing iPhone Games
Learning Objective-C by Developing iPhone Games
Credits
Credits
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
The Environment – Installing and Working with Xcode
The Environment – Installing and Working with Xcode
Becoming an Apple developer
Becoming an iOS developer
Downloading and installing Xcode
The Xcode IDE
The Xcode workspace
The iOS Simulator
Summary
2
Programming and Objective-C
Programming and Objective-C
Understanding Objective-C
Programming basics
Object-oriented programming
Hello World!
Programming with Objective-C
Model-view-controller
Summary
3
iPhone Game Development Basics – The Matching Game
iPhone Game Development Basics – The Matching Game
Scenes and views
Summary
4
Drawing Pictures – Space Invaders
Drawing Pictures – Space Invaders
Understanding screens and graphics
Adding graphics programmatically
Moving our ship sprite
Creating our enemies
Using a sprite sheet
Creating the enemy bombs
Summary
5
The Game Engine – Space Invaders Part 2
The Game Engine – Space Invaders Part 2
Understanding the game logic
Understanding state machines
Learning the game state
Collision detection
Timers and frame rates
Debugging your code
Summary
6
The Audio Engine – The Simon Memory Game
The Audio Engine – The Simon Memory Game
Introduction to audio
File formats
Data formats
The Simon Says game
Summary
7
User Interactivity – Mini Golf
User Interactivity – Mini Golf
Using user input and touch events
Using gestures in iOS apps
Using touch start, move, and end
Using other mechanisms
Summary
8
The Galaxy Game
The Galaxy Game
Planning the game
Considering the design and flow
Focusing on resource management
Creating game screens
Building the user interface
Setting up the gameplay environment
Creating and controlling the player
Creating and controlling the enemies
Collision detection
Adding sounds
Summary
9
Releasing Your Game
Releasing Your Game
Preparing your app for distribution
Selecting your identity
The deployment information
Selecting app icons and launch images
Beta testing and ad hoc distribution
Avoiding rejection from the App Store
Summary
10
Conclusion
Conclusion
Developing an app for iPad
Using Apple's game center
In-app purchasing
Implementing iAd
The social framework
Core Location and Map Kit
Saving space with iCloud
Exploring game engines
Summary
Index
Index

Preparing your app for distribution

The first thing we are going to do is prepare your app for distribution. This is a relatively easy process; however, if any of it is skipped, then the app will get kicked back from Apple and you will need to fix it later. Perform the following steps to prepare your app for distribution:

  1. In your project navigator, select your project.

  2. In your target/project list, select your app. You should see the general app information similar to what is in the following image.

  3. Make sure you test your app again whenever you change anything in your general settings.

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