-(UIStatusBarStyle)preferredStatusBarStyle{
    return UIStatusBarStyleLightContent;
}

- (UIStatusBarStyle) preferredStatusBarStyle {
    return UIStatusBarStyleLightContent;
}

[self.navigationController.navigationBar setBarStyle:UIBarStyleBlack];

[UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackTranslucent;

let tbc : UITabBarController = self.window?.rootViewController as UITabBarController
var moreViewController : UINavigationController = tbc.moreNavigationController

moreViewController.navigationBar.tintColor = UIColor.whiteColor()
moreViewController.navigationBar.barStyle = UIBarStyle.Black