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iphoneuiviewcontrollerios6landscape-portrait

Autorotate a single UIViewController in iOS 6 with UITabBar


I have an app that work only in Portrait Mode, but there is a singleView that can display video, so i want that view work also in the landscape mode, but in iOS 6 I can't figure out how I can do it, now I have this:

In AppDelegate.m i have:

self.window.rootViewController = myTabBar;

then in the Summary of the project:

enter image description here

and i found that in iOS 6 to detect the view rotation i have to do this:

- (NSUInteger)supportedInterfaceOrientations {
return UIInterfaceOrientationMaskAll;
}

// Tell the system It should autorotate
- (BOOL) shouldAutorotate {
return YES;
}

so i insert the code above only in my UIViewController that I want use also in landscape, but don't work, anyone knows how i can do it? i just want the autorotate when show video.


Solution

  • Firstly, your target settings should look like this: Supported Interface Orientations

    In UITabBarController:

    -(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
    {
        // You do not need this method if you are not supporting earlier iOS Versions
        return [self.selectedViewController shouldAutorotateToInterfaceOrientation:interfaceOrientation];
    }
    
    -(NSUInteger)supportedInterfaceOrientations
    {
        if (self.selectedViewController) 
            return [self.selectedViewController supportedInterfaceOrientations];
    
        return UIInterfaceOrientationMaskPortrait;
    }
    
    -(BOOL)shouldAutorotate
    {
        return YES;
    }
    

    Inside your ViewController:

    a) if you dont want to rotate:

    - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
    {
        return (interfaceOrientation == UIInterfaceOrientationPortrait);
    }
    
    - (BOOL)shouldAutorotate
    {
        return NO;
    }
    
    - (NSUInteger)supportedInterfaceOrientations
    {
        return UIInterfaceOrientationMaskPortrait;
    }
    

    b) if you want to rotate to landscape:

    - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
    {
        return YES;
    }
    
    - (BOOL)shouldAutorotate
    {
        return YES;
    }
    
    - (NSInteger)supportedInterfaceOrientations
    {
        return UIInterfaceOrientationMaskAllButUpsideDown;
    }
    

    Edit:

    Other solution is to implement this method inside AppDelegate:

    - (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window
    {
        NSUInteger orientations = UIInterfaceOrientationMaskAll;
    
        if (self.window.rootViewController) {
            UIViewController* presented = [[(UINavigationController *)self.window.rootViewController viewControllers] lastObject];
            orientations = [presented supportedInterfaceOrientations];
        }
        return orientations; 
    }