Re: NSNotification called twice

• Subject: Re: NSNotification called twice
• From: Ken Tozier <email@hidden>
• Date: Thu, 8 Jul 2004 21:49:37 -0400

on 7/8/04 1:00 PM, Mario Diana at email@hidden wrote:

On Wednesday, July 7, 2004, at 09:31 PM, Jonathan Nathan wrote:

Using the code below, when the Address Book.app changes, the
NSNotification gets called twice. Is there a way to limit this to just
get called once?

The framework sends so many notifications while its running, most of
which are ignored by any one application, that I don't really think
this is something to worry about. I know that sounds like heresy, but
for what it's worth that's my understanding.

Mario

Thanks for the reply but it's not random nor overloading the
NSNotificationCenter with lots of notifications, it's very predictably
sending two notifications each time the Address Book.app changes and only
then. My code was just to demonstrate that it was being called, my actual
code does more when the AB database is changed so this is important. If I
can determine that it will always send two notifications, then fine, I can
code to ignore the second one every time but I need to know if this is going
to be the case on every machine or if it is just something I am seeing on my
development machine or something endemic to my code that I just don't
understand.

Thanks,
Jon
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