GKNotificationBanner Class Reference

Inherits from	NSObject
Conforms to	NSObject (NSObject)
Framework	/System/Library/Frameworks/GameKit.framework
Availability	Available in OS X v10.8 and later.
Companion guide	Game Center Programming Guide
Declared in	GKNotificationBanner.h

Overview

The GKNotificationBanner class allows your game to display a notification banner that displays text to the player. The behavior of this banner is identical to other banners used by Game Kit.

Tasks

Displaying a Notification Banner

Class Methods

showBannerWithTitle:message:completionHandler:

Displays a banner to the player.

+ (void)showBannerWithTitle:(NSString *)title message:(NSString *)message completionHandler:(void (^)(void))completionHandler

Parameters

title: The title of the banner.
message: A secondary message to be displayed.
completionHandler: A block to be called after the score is reported.

Discussion

When this method is called, it creates a new background task to handle the request. The method then returns control to your game. Later, when the task is complete, Game Kit calls your completion handler. Keep in mind that the completion handler may be called on a thread other than the one originally used to invoke the method. This means that the code in your block needs to be thread-safe.

Availability

Available in OS X v10.8 and later.

Declared In

GKNotificationBanner.h

showBannerWithTitle:message:duration:completionHandler:

Displays a banner to the player for a specified period of time.

+ (void)showBannerWithTitle:(NSString *)title message:(NSString *)message duration:(NSTimeInterval)duration completionHandler:(void (^)(void))completionHandler