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Re: NSNotificationCenter not working
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Re: NSNotificationCenter not working


  • Subject: Re: NSNotificationCenter not working
  • From: Matt Jaffa <email@hidden>
  • Date: Wed, 31 Mar 2004 22:24:15 -0700

still to no avail is it working,
I have this app that I downloaded that watches all Notifications from
NSDistributedNotificationCenter.

My System Preference Plugin is correctly posting notifications

But my Foundation / CoreFoundation / Cocoa Daemon is not picking
it up.

My daemon has a main function with a included file for a obj-c class I
made,
That class is going to be the observer as here:

int main() {
..........
........
othercode
........
.........
CallBack * callbacks = [[CallBack init] alloc];
[callbacks loadStuff];
[[NSDistributedNotificationCenter defaultCenter] addObserver:callbacks

selector:@selector(invertOff:)

name:@"MFInvertOff" object:nil];

daemon(0,0)
while(...) {
......
}

release stuff etc.

}

Later in the code daemon(0,0) is called and it goes in a forever
while loop using sockets to communicate with something else,

Does this kind of scenario the thing that is killing my possibility to
use NSDistributedNoticationCenters?

this is my Callback class:


#import "CallBack.h"


@implementation CallBack


- (void)loadStuff
{
conditional_val = 0;

}

- (int)returnCondition
{
return conditional_val;
}

- (void)setCondition:(int)condition
{
conditional_val = condition;
}

- (void)invertOn:(NSNotification *)myNotification
{
conditional_val = 0;
printf("Inverton was called\n");
}
- (void)invertOff:(NSNotification *)myNotification
{
conditional_val = 1;
printf("InvertOff was called\n");
}
@end

Matt

On Mar 31, 2004, at 8:40 PM, m wrote:

> On Mar 31, 2004, at 7:27 PM, Matt Jaffa wrote:
>
>> hmmm even doing NSDistributedNotificationCenter is not working,
>>
>> here is what i am doing: I actually tried 2 ways and both didn't work
>
> [snip]
>
>> Receiver:
>> [[NSDistributedNotificationCenter defaultCenter]
>> addObserver:callbacks
>>
>> selector:@selector(invertOn)
>>
>> name:@"com.mf.inverton" object:@"com.mf.inverton"];
>
> Try adding a colon to your selector i.e. instead of
> @selector(invertOn), use @selector(invertOn:)
>
> Make sure also that invertOn: has the proper signature, namely:
>
> -(void) invertOn:(NSNotification *)myNotification;
>
> Regards,
>
> _murat
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  • Follow-Ups:
    • Re: NSNotificationCenter not working
      • From: m <email@hidden>
References: 
 >NSNotificationCenter not working (From: Matt Jaffa <email@hidden>)
 >Re: NSNotificationCenter not working (From: m <email@hidden>)
 >Re: NSNotificationCenter not working (From: Matt Jaffa <email@hidden>)
 >Re: NSNotificationCenter not working (From: m <email@hidden>)

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