iOS 7 Interface Orientation

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In my app for iPhone its only support the portrait view only, but as per requirement need to support landscape view only for on view, at that time I use following way and its help me :

In your app delegate .h

@interface PlayWithWSWithLibAppDelegate : NSObject <UIApplicationDelegate, UITabBarControllerDelegate> {

       BOOL flagOrientationAll;
}

@property (assign) BOOL flagOrientationAll;

Add following method in your app delegate .m file 

- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window{
    //NSLog(@"PlayWithWSWithLibAppDelegate -- supportedInterfaceOrientationsForWindow");
    if([UICommonUtils isiPad]){
        return UIInterfaceOrientationMaskAll;
    }else if(flagOrientationAll == YES){
        return UIInterfaceOrientationMaskAll;
    } else {
        return UIInterfaceOrientationMaskPortrait;
    }
}

Implement following way in your view which you want to rotate in both portrait and landscape both for iPhone device 

-(void)viewWillAppear:(BOOL)animated
{
    self.tabBarController.delegate = self;

    PlayWithWSWithLibAppDelegate *delegate = (PlayWithWSWithLibAppDelegate *) [[UIApplication sharedApplication] delegate];
    delegate.flagOrientationAll = YES;
 }
}

-(void)viewWillDisappear:(BOOL)animated
{
    //NSLog(@"viewWillDisappear -- Start");
     PlayWithWSWithLibAppDelegate *delegate = (PlayWithWSWithLibAppDelegate *)[[UIApplication sharedApplication] delegate];
        delegate.flagOrientationAll = NO;
}

see this post also: How to set one of the screens in landscape mode in iphone?

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