objective c - How to serialize a class into a file on the iphone? -


i'm having trouble updated version of app on app store.

i have database person's info. however, if user has version 1.0 , updates 2.0, need save database.

i want serialize file on iphone when version 2.0 being installed, remove version 1.0 , deserialize database class app.

how can serialize/deserialize class?

if data's simple archives , serialization.

if data's complex, need database function, can use sqlite.


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