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Re: Why is compiler warning for +setKeys:triggerChangeNotificationsForDependentKey: ??
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Re: Why is compiler warning for +setKeys:triggerChangeNotificationsForDependentKey: ??


  • Subject: Re: Why is compiler warning for +setKeys:triggerChangeNotificationsForDependentKey: ??
  • From: Markus Spoettl <email@hidden>
  • Date: Tue, 20 Apr 2010 22:02:50 -0400

On Apr 20, 2010, at 9:48 PM, Steve Cronin wrote:
> Subclassed NSObject now getting compiler warnings  - don't understand why?
>
> @interface ABC : NSObject {
> }
> @end
>
> @implementation ABC
> + (void)initialize
> {
> ...
>     keys = [NSArray ..];
>    [self setKeys:keys triggerChangeNotificationsForDependentKey:@"xyz"];
> ...
> }
> @end
>
> I'm seeing compiler warnings -> : warning: 'ABC' may not respond to '+setKeys:triggerChangeNotificationsForDependentKey:'
>
> What have I overlooked?


Not sure but any chance you target the iPhone? The 10.6 SDK header contains this:

#if (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE))

@interface NSObject(NSDeprecatedKeyValueObservingCustomization)

+ (void)setKeys:(NSArray *)keys triggerChangeNotificationsForDependentKey:(NSString *)dependentKey DEPRECATED_IN_MAC_OS_X_VERSION_10_5_AND_LATER;

@end

#endif

Note you should use alternatives since 10.5, see docs for more information:

<http://developer.apple.com/Mac/library/documentation/Cocoa/Reference/Foundation/Protocols/NSKeyValueObserving_Protocol/DeprecationAppendix/AppendixADeprecatedAPI.html>

Regards
Markus
--
__________________________________________
Markus Spoettl

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 >Why is compiler warning for +setKeys:triggerChangeNotificationsForDependentKey: ?? (From: Steve Cronin <email@hidden>)

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