Hello,

I am passing different types of data to NSData (NSString, NSArray, UIImage).  I 
am trying to find out what kind of data t is so I know how to handle the NSData 
when I receive it.  The below code is an example of how I am trying to do this 
but its always returning null. What am I doing wrong?

        NSString *somedata = [[NSString alloc] initWithString:@"Some string"];  
        NSData * set = [NSKeyedArchiver archivedDataWithRootObject:[somedata 
dataUsingEncoding:NSASCIIStringEncoding]];
        NSData * unset = [NSKeyedUnarchiver unarchiveObjectWithData:set];
        NSLog(@"Class Type %@", [unset isKindOfClass:[NSKeyedUnarchiver 
class]]);
        [somedata release];

Thanks,

Phil

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