Top "Key-value-observing" questions

Key-value Observing or KVO is a technology for observing changes in object properties.

Key-Value Observe in Swift not showing insertions and removals in arrays

I created a class which contains an array. I added an observer to that array in a view controller and …

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Swift KVO - Observing enum properties

I'm assembling a class which has several states, as defined by an enum, and a read-only property "state" which returns …

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swift enums key-value-observing
iOS: How do I know if a property is KVO-compliant?

In the Key-Value Observing Programming Guide, the section Registering for Key-Value Observing says "Typically properties in Apple-supplied frameworks are only …

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