UITapGestureRecognizer selector, sender is the gesture, not the ui object

Question

I have a series of imageviews that I identify using their tag. I have added a single tap gesture to the images.

UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(selectImage:)]; [tableGridImage addGestureRecognizer:singleTap]; tableGridImage.userInteractionEnabled = YES; [singleTap release]; 

This manages to call the selectImage selector ok, but passes the gesture as the sender. I need the imageview as the sender so I can get the tag.

Any ideas on how I can get the imageview and it's tag?

Answer 1

I figured out how to get the tag, which was the most important part of the question for me. Since the gesture is the sender, I figured out the the view it is attached to is sent along with it:

[(UIGestureRecognizer *)sender view].tag 

I am still curious if anyone can tell me how to send an argument through a UITapGestureRecognizer selector.

Answer 2

The only argument you can send through UITapGestureRecognizer selector is the UITapGestureRecognizer itself as following:

Make sure to put ":" after the selector name like you previously did :

UITapGestureRecognizer *singleTap =  [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(selectImage:)]; 

Then add a parameter to selectImage so you can retrieve the View as following:

-(void) selectImage:(UITapGestureRecognizer *)gestureRecognizer{      //Get the View     UIImageView *tableGridImage = (UIImageView*)gestureRecognizer.view; }