More elegant indeed :). I thought delegates had to be of type id.
Kind regards,
Remco Poelstra
Op 16 nov 2010, om 11:57 heeft Roland King het volgende geschreven:
> Or use
>
> NSObject*< protocol >
>
> Instead of id. Assuming that all the objects are NSObjects.
>
>
>
> On Nov 16, 2010, at 18:43, Gideon King <gid...@novamind.com> wrote:
>
>> AFAIK, when something is referenced as a protocol like that, the *only*
>> methods it knows about are the ones in the protocol. If you just cast the
>> delegate to type id, you should be OK (I have encountered similar situations
>> where this solution worked)
>>
>> [(id)delegate valueForKeyPath:...
>>
>> HTH
>>
>> Gideon
>>
>> On 16/11/2010, at 8:35 PM, Remco Poelstra wrote:
>>
>>> Hi,
>>>
>>> I've somewhat the same problem as a recent thread, but I can't fix it with
>>> what was suggested in that thread.
>>> I've to following class:
>>> #import <Foundation/Foundation.h>
>>> #import "AudionetCommand.h"
>>> #import "AudionetQueueDelegateProtocol.h"
>>> @interface AudionetCommandQueue : NSObject {
>>> id <AudionetQueueDelegate> delegate;
>>> }
>>>
>>> @property (nonatomic, assign) id <AudionetQueueDelegate> delegate;
>>> - (void) enqueueCommand:(AudionetCommand *)command;
>>> @end
>>> @implementation AudionetCommandQueue
>>> @synthesize delegate;
>>> - (void) enqueueCommand:(AudionetCommand *)command {
>>> //Lots of code
>>> if ([[delegate valueForKeyPath:@"audionetDevices.address"] isEqual: []]) {};
>>> }
>>> @end
>>>
>>> I get the warning that valueForKeyPath: is not found in the protocols. If I
>>> change the instance variable to id
>>> <AudionetQueueDelegate,NSKeyValueCoding>, I get the error that the
>>> NSKeyValueCoding protocol can not be found. If I also #import
>>> <NSKeyValueCodingProtocol.h> than that header file is not found.
>>> How can I fix this?
>>>
>>> Kind regards,
>>>
>>> Remco Poelstra
>>>
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