Re: Re Singleton Help ...
Re: Re Singleton Help ...
- Subject: Re: Re Singleton Help ...
- From: Mic Pringle <email@hidden>
- Date: Fri, 13 Mar 2009 13:13:57 +0000
Yep. This looks like the best solution. Will give this a go.
Thanks
-Mic
2009/3/13 Dave DeLong <email@hidden>:
> Similarly, couldn't you have the singleton itself register to receive the
> applicationWillTerminate notification? I don't think it has to be done via
> the app's delegate.
>
> Something like:
>
> (in your singleton's accessor, or perhaps a private initializer?)
> [[NSNotificationCenter defaultCenter] addObserver:_singletonInstance
> selector:@selector(appIsQuitting:) name:
> NSApplicationWillTerminateNotification object:NSApp];
>
> Then in your appIsQutting: method, just do:
> [[NSNotificationCenter defaultCenter] removeObserver:self];
>
> HTH,
>
> Dave
>
> On Mar 13, 2009, at 6:49 AM, Peter Hudson wrote:
>
>> I had a very similar situation using a singleton and found that I needed
>> to remove it from the notification centre before the app died - or landed up
>> with an odd side effect (main menu items in xCode would no longer respond
>> to the mouse ).
>>
>> I fixed it by getting the app delegate to respond to
>> applicationShouldTerminate: and removed my singleton from the notification
>> centre there. The menu problems went away.
>>
>> PH
>
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