Question

I have an ios spinner that becomes unhidden and starts when I call it to (when a user logs in), and should stop and go back to being hidden if it is successful or unsuccessful using the code:

[spinner stopAnimating];

However, for some reason, it just keeps spinning and therefore remains unhidden. I thought that something simple like this would only require the “spinner stop animating” method…
(by the way, I named the spinner “spinner”)

Answer 1

In my case, I do this:

// on main thread
-(void)spinnerStopAnimating {
    if ([self.activityIndicatorView isAnimating]) {
        [self.activityIndicatorView stopAnimating];
    }
}

Here, I have my activity indicator initialized in the following way:

- (void)awakeFromNib
{
    activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
    [self addSubview:self.activityIndicatorView];
}

And started in this way:

CGRect rect = self.frame;
self.activityIndicatorView.center = CGPointMake(rect.size.width /2.0, rect.size.height / 2.0);

[self bringSubviewToFront:self.activityIndicatorView];
[self.activityIndicatorView startAnimating];

This also positions the spinner in the middle of the view.