/*

 Copyright (C) 2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 The initial view controller for the Checkerboard demo.

 */

#import "AAPLCheckerboardFirstViewController.h"

#import "AAPLCheckerboardTransitionAnimator.h"

@interface AAPLCheckerboardFirstViewController () <UINavigationControllerDelegate>

@end

@implementation AAPLCheckerboardFirstViewController

//| ----------------------------------------------------------------------------

- (void)viewDidLoad

{

    [super viewDidLoad];

    self.navigationController.delegate = self;

}

#pragma mark -

#pragma mark UINavigationControllerDelegate

//| ----------------------------------------------------------------------------

//  The navigation controller tries to invoke this method on its delegate to

//  retrieve an animator object to be used for animating the transition to the

//  incoming view controller.  Your implementation is expected to return an

//  object that conforms to the UIViewControllerAnimatedTransitioning protocol,

//  or nil if the transition should use the navigation controller's default

//  push/pop animation.

//

- (id<UIViewControllerAnimatedTransitioning>)navigationController:(UINavigationController *)navigationController animationControllerForOperation:(UINavigationControllerOperation)operation fromViewController:(UIViewController *)fromVC toViewController:(UIViewController *)toVC

{

    return [AAPLCheckerboardTransitionAnimator new];

}

@end