Re: Loading classes for use with NSClassFromString, how?
Re: Loading classes for use with NSClassFromString, how?
- Subject: Re: Loading classes for use with NSClassFromString, how?
- From: Ken Tozier <email@hidden>
- Date: Mon, 16 May 2005 09:55:38 -0400
On May 16, 2005, at 9:45 AM, Nicko van Someren wrote:
On 16 May 2005, at 14:37, Ken Tozier wrote:
I need to convert some stored strings to classes so that I can run
one of their methods. I thought I could use NSClassFromString()
like so
[NSClassFromString(@"MyClassName")
doSomethingCool: 5
withThisHereThing: @"bobo"];
But apparently the class isn't loaded yet as NSClassFromString()
always returns nil. Is there a way to load a specific class at
runtime?
Assuming that you are getting the code that implements the
necessary code from some bundle you can use the NSBundle method -
(Class)classNamed:(NSString *)className This will load the
bundle's executable code if it is not already loaded.
The classes in question are all in the main bundle (as far as I know
as they weren't placed into a separate bundle unless Xcode did it
behind the scenes) so they should be loaded when the app launches,
correct? If so, is there another way to create an instance of a class
when all you have is it's name in string form?
Ken
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