UIView as dictionary key?

Question

I want to have a NSDictionary that maps from UIViews to something else.

However, since UIViews do not implement the NSCopying pro

Answer 1

Here is the actual code (based on the answer by luvieere and further suggestion by Yar):

// create dictionary
NSMutableDictionary* dict = [NSMutableDictionary new];
// set value
UIView* view = [UILabel new];
dict[[NSValue valueWithNonretainedObject:view]] = @"foo";
// get value
NSString* foo = dict[[NSValue valueWithNonretainedObject:view]];