On Jan 14, 2011, at 5:23 AM, Remco Poelstra wrote:
> I add the observer as follows:
> [[DigiDevicesManager sharedDigiDevicesManager] addObserver:self
> forKeyPath:@"digiDevices" options:NSKeyValueObservingOptionOld context:nil];
> It's superclass is NSObject and I did not disable automatic notifications.
>
> If mutate the array (from inside the observed object) with [self
> {will/did}change..] then everything works fine.
Which will/didChange... methods do you use, when you've tested the manual
notifications?
Also, what does your -observeValueForKeyPath:ofObject:change:context: method
look like?
My suspicion is that you're using will/didChangeValueForKey: and your
observe... method is expecting the value of the NSKeyValueChangeKindKey to be
NSKeyValueChangeSetting.
Instead, the automatic notifications from the mutating indexed accessors is
more akin to what's generated by will/didChange:valuesAtIndexes:forKey:, and
NSKeyValueChangeKindKey will be one of NSKeyValueChangeInsertion,
NSKeyValueChangeRemoval, or NSKeyValueChangeReplacement.
Regards,
Ken
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