On 29 Nov 2010, at 11:27, G S wrote: > Hi all. > > I'm writing an iPhone app that interacts with a database over the Web > using XML, and PHP on the server side. > > Obviously, delays in downloading data are frequent, so I'm using Grand > Central Dispatch to do a bunch of it asynchronously. This brings up a > basic question: How do I notify all concerned views that the > underlying data store has changed? I could create some kind of > multi-delegate or "subscriber" system where view controllers join a > list to be notified. Is that how people are doing it, or is there > some Cocoa mechanism that I should be using? > > Thanks for any insight.
Try the notifications system. http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/Notifications/Introduction/introNotifications.html%23//apple_ref/doc/uid/10000043i Regards Jonathan Mitchell Developer Mugginsoft LLP http://www.mugginsoft.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
