make navbar visible by default. and animate fade on dismiss.

Author: michaelhenry

Sources/ImageCarouselViewController.swift

@@ -92,6 +92,13 @@ class ImageCarouselViewController:UIPageViewController {
         setViewControllers([initialVC], direction: .forward, animated: true, completion: nil)
     }
 
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        UIView.animate(withDuration: 0.235) {
+            self.navBar.alpha = 1.0
+        }
+    }
+    
     @objc
     func dismiss(_ sender:UIBarButtonItem?) {
         sourceView.alpha = 1.0

Sources/ImageViewerController.swift

@@ -226,6 +226,7 @@ class ImageViewerController:UIViewController, UIGestureRecognizerDelegate {
                     dummyImageView.frame = exitFrame
                     dummyImageView.clipsToBounds = true
                     self.backgroundView?.alpha = 0.0
+                    self.navBar?.alpha = 0.0
                 }) { _ in
                     self.dismiss(animated: false) {
                         dummyImageView.removeFromSuperview()