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home / developersection / interviews / what is kvo in ios ?
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Sunil Singh
Sunil Singh

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Sunil Singh
Sunil Singh 02 Jan 2017
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Key-value observing provides a mechanism that allows objects to be notified of changes to specific properties of other objects. It is particularly useful for communication between model and controller layers in an application.
To observe a property using KVO you would identify to property with a string , using KVC (Key Value Coding) , Therefore, the observable object must be KVC compliant. 
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