Game Center Username On Mac

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A single user interface used to display achievements and leaderboards supported by Game Center.

SDKs

iOS 6.0+
macOS 10.9+
Mac Catalyst 13.0+
tvOS 9.0+

Declaration

Overview

Important

Your application must authenticate a local player before you can use any Game Center classes. If there is no authenticated player, your application receives a GKError.Code.notAuthenticated error. For more information on authentication, see Game Center Programming Guide.

To display the Game Center screen, initialize a new GKGameCenterViewController object and set its delegate. Optionally, you can choose to configure the view controller further to specify which content is initially displayed. Then present the view controller. Your delegate is called when the user dismisses the screen. Listing 1 shows how to present a new GKGameCenterViewController and display the scores for a specific leaderboard.

Your game should pause other activities before presenting the Game Center user interface.

Topics

Configuring the Game Center View Controller’s Delegate

var gameCenterDelegate: GKGameCenterControllerDelegate?

protocol GKGameCenterControllerDelegate

The delegate is called when the player dismisses the Game Center user interface.

var viewState: GKGameCenterViewControllerState

The content displayed by the Game Center controller.

enum GKGameCenterViewControllerState

var leaderboardIdentifier: String?

The named leaderboard that is displayed by the view controller.

var leaderboardCategory: String?

Game Center On Macbook

The named leaderboard that is displayed by the view controller.

Deprecatedvar leaderboardTimeScope: GKLeaderboard.TimeScope

A time filter used to restrict which scores are displayed to the player.

Relationships