ios - How do I save more than one username? -


in project have textfield associated button saving one username.

however, store all usernames , check if username exists.

i don't know how should that. please highly appreciated.

for this, should have @ realm - it's lot simpler use coredata, , easy started.

there 's tutorial on ray wenderlich site - there things! http://www.raywenderlich.com/81615/introduction-to-realm

all need create class hold username - , other user-related info - , when start up, load list can check if user exists. if have new user, can add list.


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