How to hide status bar in ios 7

- (void)viewDidLoad

{

    [super viewDidLoad];

// Do any additional setup after loading the view.

    

    //viewDidload

    if ([self respondsToSelector:@selector(setNeedsStatusBarAppearanceUpdate)]) {

        // iOS 7

        [self prefersStatusBarHidden];

        [self performSelector:@selector(setNeedsStatusBarAppearanceUpdate)];

    } else {

        // iOS 6

        [[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationSlide];

    }

    

}

// Add this Method

- (BOOL)prefersStatusBarHidden

{

    return YES;

}

 OR

 

XXXX - info.plist

 Status bar is initially hidden = YES

 View controller-based status bar appearance = NO