IPhone center activity indicator regardless of screen orientation

Question

How can I centralize the activity indicator programmatically, regardless of screen orientation?

Answer 1

Try setting the center property of your activity type, for example:

  activity.center = CGPointMake(self.view.frame.size.width/2,self.view.frame.size.height/2); 

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viewDidLoad in viewDidLoad for device rotation notifications:

 - (void)viewDidLoad { [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didRotate:) name:UIDeviceOrientationDidChangeNotification object:nil]; } 

and implement didRotate:

 -(void)didRotate:(NSNotification *)notification { if (activity) { activity.center = CGPointMake(self.view.frame.size.width/2,self.view.frame.size.height/2); } } 

Answer 2

I suggest you use https://github.com/jdg/MBProgressHUD This is a great library for doing all kinds of Download screens.