UIBarButtonItem not reacting after click

From the rootViewController I navigate to a UIViewController

if (self.contr == nil) {
    ExampleViewController *controller = [[ExampleViewController alloc] 
                                   initWithNibNa开发者_JS百科me:@"Example" 
                                   bundle:[NSBundle mainBundle]];
    self.contr = controller;
    [controller release];
}
[self.navigationController presentModalViewController:self.contr animated:YES];

In the UIViewController I have the method

-(IBAction) goBack:(id)sender {
    [self.navigationController dismissModalViewControllerAnimated:YES];
}

I added the signature to the .h file. In the .xib file, I have a UIToolbar with a UIBarButtonItem. I connected the button to the File's Owner - goBack:

Everything appears in the screen, but when I click on the button, goBack isn't called. I also tried to do this programatically instead, but I got the same result - everything appears, but no reaction to the click.

Any ideas why it isn't working?

Edit: I just found out something invisible is over the toolbar. If I click on a specific point (over the toolbar), then goBack: is called. Since I navigated to this screen using presentModelViewController, the navigation bar isn't appearing... but probably it's there and that's what is hiding the tool bar.

Have bind your Toolbar with File Owner?
As your UIBarButton is subview of UIToolbar so you have to bind Toolbar with File Owner.

Presenting a modal view controller do not require you to pass through a UINavigationController. I suggest you to change this:

[self.navigationController presentModalViewController:self.contr animated:YES];
[self.navigationController dismissModalViewControllerAnimated:YES];

to this:

[self presentModalViewController:self.contr animated:YES];
[self dismissModalViewControllerAnimated:YES];

Let me know if this helps.

Try this in the goBack method :

  [self.navigationController popToRootViewControllerAnimated:YES];

If you are not hitting the breakpoint that means you did not connect them properly in the xib.