GameKit

Graphics and Games

Category: Apple frameworks
Docs outline: 11 sections

Official docs

Official docs outline

developer.apple.com

Essentials
Covers Initializing and configuring Game Center, Authenticating a player, Improving the player experience for games with large downloads, Game Center Entitlement.
Players
Covers Connecting players with their friends in your game, Saving the player’s game data to an iCloud account, Protecting the player’s privacy using scoped identifiers, GKLocalPlayer.
Game Center interfaces
Covers Adding an access point to your game, Displaying the Game Center dashboard, GKAccessPoint, GKDialogController.
Leaderboards
Covers Encourage progress and competition with leaderboards, Creating recurring leaderboards, Adding Recurring Leaderboards to Your Game, GKLeaderboard.
Achievements
Covers Rewarding players with achievements, GKAchievement, GKAchievementDescription.
Challenges
Covers Creating engaging challenges from leaderboards, Choosing a leaderboard for your challenges, GKChallengeDefinition, GKShowChallengeBanners.
Activities
Covers Creating activities for your game, GKGameActivity, GKGameActivityDefinition, GKGameActivityListener.
Real-time games
Covers Creating real-time games, Finding multiple players for a game, Exchanging data between players in real-time games, Adding voice chat to multiplayer games.
Turn-based games
Covers Creating turn-based games, Starting turn-based matches and passing turns between players, Sending messages to players in turn-based games, Exchanging data between players in turn-based games.
Errors
Covers GKError, GKError.Code, GKErrorDomain.
Deprecated
Covers Deprecated symbols.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

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