Newbie question - core data
Newbie question - core data
- Subject: Newbie question - core data
- From: Darren Wheatley <email@hidden>
- Date: Mon, 14 Sep 2009 14:11:05 +0100
Hi,
I'm learning Cocoa / Objective-C. Right now I'm trying to build a
simple Core Data application.
I've built a helper app to read in CSV and populate an XML core data
store. That works fine.
I have seen lots of examples of binding a view to core data entities
so that the contents of the store are loaded into the view when the
application runs. I'm comfortable with how this works.
However, I want my application to start with an empty view, then have
the user enter a search string, and only then display the data that
matches the search string. I know I can use NSPredicate to filter the
data but don't know how to hook it up in this way.
I've read through the Core Data Programming guide, had a look through
Marcus Zarra's book, but I just can't get my head around how this
should work.
Is this something that I can / should do with Core Data? How do I
filter the data before displaying anything in the view?
If anyone could point me at some sample code / articles etc. that
might help fill in the blanks I would appreciate it.
Regards
Darren.
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