Why is UIView exclusiveTouch property not blocking?

I am launching a simple UIView with a textField - let's call it orderSetNameView - upon a button tap. I wish to make this view modal, but without using a [UIViewController presentModalViewContoller:animated:]. It seems I could simply set textInputView.exclusiveTouch = YES to achieve that.

Apple documentation says about exclusiveTouch,: "A Boolean value indicating whether the receiver handles touch events exclusively. If YES, the receiver blocks other views in the same window from receiving touch events; otherwise, it does not. The default value is NO." I assume "same window" means same UIWindow, of which I have only one.

The problem is that when I instantiate my textInputView, add it as a subview, and set exclusiveTouch = YES, touch events happen in all other views of my app, i.e., touch events in other views are not blocked as expected.

    // ....

    [self.view addSubview:self.orderSetNameView];
    [self.orderSetNameView openWithAnimationForAnimationStyle:kMK_AnimationStyleScaleFromCenter];
}

// Set as modal
self.orderSetNameView.exclusiveTouch = YES;

Shouldn't orderSetNameView block touch events in all other views? What am I missing?

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Why is UIView exclusiveTouch property not blocking?

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