IO6 doesn't call -(BOOL)shouldAutorotate

Question

I have some views in my app that I don't want to suport orientation. In didFinishLaunchingWithOptions I add navigation:

...
UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:self.viewController];

    self.window.rootViewController = nav;
    [self.window makeKeyAndVisible];
...

In each ViewController I have UITabBar (I don't know if this is important).

In the first view controller I add:

-(BOOL)shouldAutorotate {
        return NO;
    }

    - (NSUInteger)supportedInterfaceOrientations {
        return UIInterfaceOrientationMaskPortrait;
    }

supportedInterfaceOrientations is called at the view loading but shouldAutorotate doesn't call as I rotate device.
What am I missing here?

Look at my answer here: http://stackoverflow.com/a/12893485/550177 does that help? — Felix, Oct 21 '12 at 08:57

score 15 · Accepted Answer · edited Jul 20 '13 at 17:21

15

It's because neither UITabBarcontroller nor UINavigationController is passing shouldAutorotate to its visible view controller. To fix that you may subclass either UITabBarController or UINavigationController and forward shouldAutorotate from there:

In your subclassed UITabBarController add:

- (BOOL)shouldAutorotate
{
    return [self.selectedViewController shouldAutorotate];
}

In your subclassed UINavigationController add:

- (BOOL)shouldAutorotate
{
    return [self.visibleViewController shouldAutorotate];
}

edited Jul 20 '13 at 17:21

John Topley

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answered Oct 21 '12 at 10:13

Tomasz Zabłocki

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Can you explain me what do you mean by "subclass UINavigationController", I know make a class that inherits from UINavigationController but what to do with it, where to load it when I make it? – 1110 Oct 22 '12 at 06:41
To subclass it create new class and call it `MyNavigationController` (make sure it's superclass is set to `UINavigationController`). In that newly created class add method `shouldAutorotate` which I mentioned earlier. Do the same for your `UITabBarController`. You should simply use it like: `MyNavigationController *nav = [[MyNavigationController alloc] initWithRootViewController:self.viewController];`. Similary for your new `MyUITabBarController`. If you are using interface builder then simply set Class attribute there to be pointing to your new class. – Tomasz Zabłocki Oct 22 '12 at 08:49
Ok, I have made custom navigation controller and add shouldAutoRotate in it. There is no selectedViewController only presentedViewController. I don't need to subclass UITabBarController because I use only UITabBarView in each view. But now rotation doesn't work anywhere. So how to enable it in some view if I did all right. – 1110 Oct 22 '12 at 11:24
For `UINavigationController` you should use `visibleViewController` as in my reply. Did you try with debugger, is `shouldAutorotate` called in your custom `UINavigationController`? – Tomasz Zabłocki Oct 22 '12 at 11:36

score 0 · Answer 2 · answered Oct 21 '12 at 08:49

in the AppDelegate:

- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window  // iOS 6
{

return UIInterfaceOrientationMaskAll;


}

in your ViewController:

- (BOOL)shouldAutorotate {
return YES;
}

- (NSUInteger)supportedInterfaceOrientations {
return UIInterfaceOrientationMaskPortrait;
}

IO6 doesn't call -(BOOL)shouldAutorotate

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