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Editorial Team
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Asked: 2026-05-14T05:08:34+00:00

I am using an Objective c class, a subclass of NSObject. This class cannot

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I am using an Objective c class, a subclass of NSObject.
This class cannot be modified. I have an instance of this class that I wish to write to a file which can be retrieved and later reinstate. The object does not conform to NSCoding.

To sum up, I need to save an instance of a class to a file which can be retrieved later, without using any of the NSCoding methods such as NSKeyedArchiving encodeWithCoder …

Using them returns this…
NSInvalidArgumentException …encodeWithCoder:]
unrecognised selector sent to instance…

Is there any other way I can store this object for later use
Thank you

p.s The class is a UIEvent

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1 Answer

  1. Editorial Team

    Can you subclass the class and implement the NSCoding protocol in the subclass?

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