On iOS6+, the orientation of modal view controllers is handled by the view controller who present them. If you're using UITabBarController, it can be a little confusing, since you need to add presenting view controller some code to handle the modal controller's visibility. This code snippet shows how to have all UIViewControllers orientations (p…

GiveMyModalsOrientationsBack

#pragma mark -
#pragma mark UIApplication Delegate

- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)pWindow {
    UITabBarController *tabCtrl = (UITabBarController *)self.window.rootViewController;
    
    //Check if there's a modal view controller on screen (dismissing modal view controllers are ignored)
    if (tabCtrl.selectedViewController.presentedViewController && !tabCtrl.selectedViewController.presentedViewController.isBeingDismissed) {
        return tabCtrl.selectedViewController.presentedViewController.supportedInterfaceOrientations;
    }
    
    return UIInterfaceOrientationMaskLandscape;
}