iOS adding tapGesture to multiple Views

I have multiple views defined in my main view. I want to add single tap gesture to all these views. Below is the code I have written, but this registers a tap gesture to the last view that I add. So in the code below, tap is registered only for messagesView & not for other views. I have 2 questions:

1. How do I register the same tapGesture to multiple Views?

2. Lets assume I get this working, now all single taps from these views goto the same function called oneTap. In this function how do I distinguish from which view the tap is coming?

Code:

@synthesize feedsView, peopleView, messagesView, photosView;

- (void)viewDidLoad
{
    [super viewDidLoad];

    UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(oneTap:)];
    [singleTap setNumberOfTapsRequired:1];
    [singleTap setNumberOfTouchesRequired:1];
    [feedsView addGestureRecognizer:singleTap];
    [peopleView addGestureRecognizer:singleTap];
    [messagesView addGestureRecognizer:singleTap];
    //[photosView addGestureRecognizer:singleTap];
    [singleTap release];

    return;
}