Change color of button in UIActionSheet

- (void)willPresentActionSheet:(UIActionSheet *)actionSheet {

    

    if ([[[UIDevice currentDevice] systemVersion] intValue]>=7) { // Change color of button in actionsheet for iOS 7

        

        if (actionSheet==actionSheetCustom) {

                      

          [[actionSheet layer] setBackgroundColor:[UIColor whiteColor].CGColor];

        

          for (UIView *subview in actionSheet.subviews) {

              if ([subview isKindOfClass:[UIButton class]]) {

                 UIButton *button = (UIButton *)subview;

                

                [button setBackgroundColor:[UIColor colorWithPatternImage:[UIImage imageNamed:@"Login-Background.png"]]];

              }

          }

            

        }

    }

}