A simple category that allows one to easily set/get UIView rotation.

UIView+Additions.h

//
//  UIView+Additions.h
//
//  Created by Shilo White on 10/8/11.
//  Copyright 2011 Shilocity Productions. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface UIView (Additions)
@property (nonatomic, assign) float rotation;
@end

@implementation UIView (Additions)
- (void)setRotation:(float)rotation {
    self.transform = CGAffineTransformMakeRotation(rotation);
}

- (float)rotation {
    return atan2f(self.transform.b, self.transform.a);
}
@end