Show activity indicator during application launch

Question

I am trying to add an activity indicator during startup. I did have a launch image, but I\'d rather have just an indicator alone. I added the following to my app delegate, b

Answer 1

Another solution is to let the launchimage load and when your ViewController loads at the viewDidLoad, use overlay + indicator on top of your view with alpha below 1:

UIView *baseView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
[self.view addSubview:baseView];
[baseView setBackgroundColor:[UIColor blackColor]];
baseView.userInteractionEnabled = NO;
baseView.alpha = 0.4;
UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
indicator.frame = CGRectMake(0.0, 0.0, 40.0, 40.0);
indicator.center = self.view.center;
[self.view addSubview:indicator];
[indicator bringSubviewToFront:self.view];
[indicator startAnimating];

Now comes the fun part, use delegate to remove the indicator + overlay when all your background threads finish to load up and simple call a method via your delegate:

- (void) onFinishLoading{
        [indicator stopAnimating];
        [baseView removeFromSuperview];
}

• In order to stopAnimation and removeFromSuperView you might want to make baseView and indicator property + @synthesize