Question

I have a full screen UIScrollView to display my image. An UIActivityIndicatorView is added to the UIScrollView, it spinning well, but how could i make it always spinning in the middle of the screen while I am scrolling, zooming, rotating?

Answer 1

In ur .h file

        UIView *primaryImage;
    UIView *secondaryImage;
    UIActivityIndicatorView *indicator;

In ur .m file 


-(void)indicatorView
{
    primaryImage = [[UIView alloc] initWithFrame:CGRectMake(0,0,320,480)]; 
    primaryImage.backgroundColor = [UIColor blackColor];
    primaryImage.alpha =0.5;
    //[self.view.superview insertSubview:primaryImage aboveSubview:self.view.superview];

    //[theTableView addSubview:primaryImage];
    [self.view addSubview:primaryImage];

    secondaryImage = [[UIView alloc] initWithFrame:CGRectMake(127.50,215,65,50)];
    secondaryImage.backgroundColor = [UIColor blackColor];
    secondaryImage.alpha = 0.9;
    secondaryImage.layer.cornerRadius = 12;
    [primaryImage addSubview:secondaryImage];

    indicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(30, 25, 25, 25)];
    indicator.center = CGPointMake(32, 25);
    //[indicator hidesWhenStopped];
    [indicator startAnimating];
    [secondaryImage addSubview:indicator];
}



-(void)dismissCoverImageView {

    [indicator stopAnimating];
    [indicator removeFromSuperview];
    [secondaryImage removeFromSuperview];
    [primaryImage removeFromSuperview]; 
}

and after that you can call         [self indicatorView];
and [self dismissCoverImageView];