#import <UIKit/UIKit.h>
#include <Foundation/NSObjCRuntime.h>

@interface SomeViewController : UIViewController
@end

@interface SomeAdView : UIView
@property(nonatomic, strong, readwrite) UIView *localAdView;
@end

%hook SomeViewController

- (void)adViewDidLoad {
    self.localAdView = [[UIView alloc] initWithFrame:CGRectZero];
    %orig;
}

%end