November 2013
Intermediate to advanced
576 pages
19h 3m
English
book
iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
by Kyle Richter, Joe Keeley
Content preview from iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
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Score Challenges
iOS 6 introduced Challenges into the Game Center functionality. Challenges enable your users to dare their Game Center friends to beat their high scores or achievements. They provide a great avenue for your users to socially spread your game to their friends. All the work with Challenges are handled for you by Game Center using the new GameCenterViewController, as shown in the previous example and in Figure 3.8. However, it is also possible to create challenges in code. Calling issueChallengeToPlayers:withMessage: on a GKScore object will initiate the challenge. When a player beats a challenge, it automatically rechallenges the person who initiated the original challenge.
Figure 3.8 Challenging a friend to beat a score using ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.