Validating preferences in inappsettingskit

Question

I want to use the kIASKAppSettingChanged notification in inappsettingskit to validate preferences when they are changed.

I know the notification contains the new value of the preference that was changed but does it contain the old value anywhere?

Or is there a smart way I can get hold of this (other than cacheing all my preferences in memory)?

I need to be able to roll back the preference value if the validation check fails.

Answer 1

Currently, InAppSettingsKit does not provide the old value. It shouldn't be that hard to extend it though. Just search for kIASKAppSettingChanged and modify all calls to include both the old and the new value in the -postNotificationName:object:userInfo: calls.