Hack to control screen orientation on iPad/iPhone for a specific inner ViewController

RotationHack.m

- (UIInterfaceOrientationMask)supportedInterfaceOrientations
{
    if ([self.currentViewController isEqual:self.viewControllerYouDontWantToRotate])
    {
        return UIInterfaceOrientationMaskPortrait;
    }
    else
    {
        return UIInterfaceOrientationMaskAll;
    }
}

- (BOOL)shouldAutorotate
{
    if ([self.currentViewController isEqual:self.viewControllerYouDontWantToRotate])
    {
        return NO;
    }
    else
    {
        return YES;
    }
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
{
    return UIInterfaceOrientationIsLandscape(toInterfaceOrientation);
}

- (void)rotateToLandscape{
    NSNumber *valueLandscape = [NSNumber numberWithInt:UIInterfaceOrientationLandscapeRight];
    [[UIDevice currentDevice] setValue:valueLandscape forKey:@"orientation"];
}

- (void)rotateToPortrait{
    NSNumber *valuePortrait = [NSNumber numberWithInt:UIInterfaceOrientationPortrait];
    [[UIDevice currentDevice] setValue:valuePortrait forKey:@"orientation"];
}