How to use activity indicator view on iPhone?

Question

An activity indicator view is useful in many applications. Any ideas about how to add, activiate and dismiss an activity indicator view on iPhone?

All the methods for this are welcomed here.

Answer 1

Create:

spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
[spinner setCenter:CGPointMake(kScreenWidth/2.0, kScreenHeight/2.0)]; // I do this because I'm in landscape mode
[self.view addSubview:spinner]; // spinner is not visible until started

Start:

[spinner startAnimating]; 

Stop:

 [spinner stopAnimating];

When you're finally done, remove the spinner from the view and release.