How to show activity indicator while tableView loads?

Question

When I switch between my tabs it loads some seconds and I want to know that my data is loading. For that I decided to add an activity indicator.

I wrote a little functio

Answer 1

This code can help you :)

   let indicator:UIActivityIndicatorView = UIActivityIndicatorView  (activityIndicatorStyle: UIActivityIndicatorViewStyle.Gray) 
   indicator.color = UIColor .magentaColor()
   indicator.frame = CGRectMake(0.0, 0.0, 10.0, 10.0)
   indicator.center = self.view.center
   self.view.addSubview(indicator)
   indicator.bringSubviewToFront(self.view)
   indicator.startAnimating()