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Re: substitute class at runtime?
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Re: substitute class at runtime?


  • Subject: Re: substitute class at runtime?
  • From: Andy Lee <email@hidden>
  • Date: Sat, 19 Jul 2008 01:10:59 -0400

On Jul 19, 2008, at 12:58 AM, Kyle Sluder wrote:
On Fri, Jul 18, 2008 at 2:05 PM, Andy Lee <email@hidden> wrote:
NSClassFromString()

No, just use [ClassName class]. NSObject's +class method returns the class itself (in other words, it's as if the metaclass defined -class to return self).

Am I misunderstanding? The given code has an array of NSStrings which are names of controller classes. I assumed Nathaniel wanted to convert one of those names to a class.


On Jul 18, 2008, at 2:00 PM, Nathaniel Gottlieb-Graham wrote:
NSString *nameOfClass = fooViewController

NSArray *classNameArray = [NSArray arrayWithObjects: @"FooViewController", @"BarViewController", nil];

if ([classNameArray containsObject:nameOfClass])
{
	[[[??????? alloc]initWithNibName:nameOfClass] autorelease]
}

I think the solution is

[[[NSClassFromString(nameOfClass) alloc] initWithNibName:nameOfClass] autorelease];

This may or may not be correct for other reasons, but I *think* it's what Nathaniel wanted.

--Andy

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  • Follow-Ups:
    • Re: substitute class at runtime?
      • From: "Kyle Sluder" <email@hidden>
    • WebView load background color.
      • From: Bruce Cresanta <email@hidden>
References: 
 >substitute class at runtime? (From: Nathaniel Gottlieb-Graham <email@hidden>)
 >Re: substitute class at runtime? (From: Andy Lee <email@hidden>)
 >Re: substitute class at runtime? (From: "Kyle Sluder" <email@hidden>)

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