Don't allow user interaction when activity indicator view is visible

Question

I have a view which contains two views. One of those views contains two buttons and some text labels. The other one, with alpha set to 0.25, has an UIActivityIndicator

Answer 1

just add

[self.view setUserInteractionEnabled:NO];  

before the

[self.activityIndicator startAnimating];  

and reenable it after

[self.activityIndicator stopAnimating];
[self.view setUserInteractionEnabled:YES];