UIImagePickerController really slow when calling alloc init

I have a view controller that is presented on pressing on one of the tabs in a tabBarController. In this view controller I initialise a UIImagePickerController in the viewDidLoad method: ``` - (void)viewDidLoad { [super viewDidLoad]; //Set imagePicker //-------------------------// _imagePicker = [[UIImagePickerController alloc] init]; _imagePicker.delegate = self; _imagePicker.videoMaximumDuration = 10.0f; } ``` The intention is to then display the UIImagePickerController at a later time when a button is pressed. For some reason though when the tab icon is pressed for this view controller, there is a 3-4 second hang while this viewDidLoad method is running. When I comment out the line _imagePicker = [[UIImagePickerController alloc] init] there is no hang time and the view controller loads immediately - as it should. Does anyone know why allocating and initialising the UIImagePickerController is taking so long? If so, is there a way to speed it up other than running it as a background process? It seems like this is not normal behaviour. I am using iOS7, and I am not calling viewWillAppear or viewDidAppear.