Part of the iPhone General/UIKit framework. Defined in <General/UIKit/General/UIProgressHUD.h>

• (void)showProgressHUD:(General/NSString *)label withWindow:(General/UIWindow *)w withView:(General/UIView *)v withRect:(struct General/CGRect)rect { progress = General/[[UIProgressHUD alloc] initWithWindow: w]; [progress setText: label]; [progress drawRect: rect]; [progress show: YES];

    [v addSubview:progress]; }
  

• (void)hideProgressHUD { [progress show: NO]; [progress removeFromSuperview]; }

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You can also use General/MBProgressHUD as an alternative if you want to avoid Apple’s private API. http://www.bukovinski.com/2009/04/08/mbprogresshud-for-iphone/