Using a UIGestureRecognizer in a UIWebView

Question

Previously I've used the tap Detecting Window technique to detect taps in a UIWebView, but now I've tried to use gesture recognizers instead. The following code is in the viewDidLoad method of a view controller, which has a single UIWebView. This code compiles fine, but the handleTap method is never called. This seems like it should be simple.

// Configure a gesture recognizer to detect taps in the web view
UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTap)];
[self.myWebView addGestureRecognizer:singleTap];    
[singleTap release];

[super viewDidLoad];