On Jun 1, 2011, at 11:45 PM, Bing Li wrote: > My question is if it is possible to transmit data from WorkingApp to > AppController?
Sure; that’s what the userInfo dictionary in NSNotification is for. > // The following code cannot be compiled. > // NSString *message = "Happy holidays!"; > // [[NSNotificationCenter defaultCenter] postNotificationName:@"Done" > object:message]; Why can’t it be compiled? I don’t see any errors in there. But this probably isn’t what you want. The ‘object’ parameter of a notification is generally supposed to be the object in your model that’s sending the notification (WorkingApp in your example) not a data value. The userInfo dictionary is where data values should go. —Jens
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