Writing Game Center Apps in iOS

Preface;
Conventions Used in This Book;
Using Code Examples;
Safari® Books Online;
How to Contact Us;
Acknowledgments;
Chapter 1: Game Center;
1.1 Introducing GCD and Block Objects;
1.2 Creating Game Center Accounts;
1.3 Setting Up Game Center for an iOS App;
1.4 Adding the Game Kit Framework;
1.5 Authenticating the Local Player in Game Center;
1.6 Retrieving the Local Player’s Information;
1.7 Adding Friends in Game Center;
1.8 Retrieving the Local Player’s Friends Information;
1.9 Creating Leaderboards in iTunes Connect;
1.10 Reporting Scores to Leaderboards;
1.11 Retrieving Leaderboards Information Programmatically;
1.12 Displaying Leaderboards to Players;
1.13 Creating Achievements in iTunes Connect;
1.14 Reporting Achievements to Game Center;
1.15 Retrieving Achievements Information Programmatically;
1.16 Displaying Achievements to Players;
1.17 Supporting Multiplayer Games and Matchmaking;
1.18 Handling Players’ State Changes in Multiplayer Games;