Question

I’m using an RECurtainViewController to transition in a new view controller. In my app delegate I set my navigation bar appearance:

[[UINavigationBar appearance] setTitleTextAttributes: @{
                                UITextAttributeTextColor: [UIColor colorWithRed:255.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:1.0],
                          UITextAttributeTextShadowColor: [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.8],
                         UITextAttributeTextShadowOffset: [NSValue valueWithUIOffset:UIOffsetMake(0.0f, 1.0f)],
                                     UITextAttributeFont: [UIFont fontWithName:@"Helvetica" size:20.0f]
     }];

The root view controller with the navigation bar displays correctly. However, when I bring in a new view controller using:

DemoViewController *test = [[DemoViewController alloc] init];
[self curtainRevealViewController:test
                  transitionStyle:RECurtainTransitionHorizontal];

The UINavigationBar appearance is set back to its default. Any ideas how to make the custom appearance persist?

EDIT:

I noticed I’m also getting this Warning in the console when the DemoViewController is displayed:

Warning: Attempt to present <DemoViewController: 0x1ddaae70> on <ViewController: 0x1e892040> whose view is not in the window hierarchy!

However, it still displays the view controller.

Answer 1

I ended up solving this by going into the viewDidLoad method in DemoViewController and assigning the attributes to the actual navBar instance:

[self.navBar setTitleTextAttributes: @{
                                UITextAttributeTextColor: [UIColor colorWithRed:255.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:1.0],
                          UITextAttributeTextShadowColor: [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.8],
                         UITextAttributeTextShadowOffset: [NSValue valueWithUIOffset:UIOffsetMake(0.0f, 1.0f)],
                                     UITextAttributeFont: [UIFont fontWithName:@"Helvetica" size:20.0f]
     }];

Not sure why I have to do this, but it appears to work.