add 'statusBarMode' to drive whether the status bar is hidden or not.

Examples/Sources/ObjC/NYTViewController.m

@@ -35,6 +35,8 @@ - (IBAction)imageButtonTapped:(id)sender {
 
     NYTPhotosViewController *photosViewController = [[NYTPhotosViewController alloc] initWithDataSource:self.dataSource initialPhoto:nil delegate:self];
 
+    photosViewController.underStatusBar = YES;
+
     [self presentViewController:photosViewController animated:YES completion:nil];
 
     [self updateImagesOnPhotosViewController:photosViewController afterDelayWithDataSource:self.dataSource];

NYTPhotoViewer/NYTPhotosViewController.h

@@ -75,6 +75,11 @@ extern NSString * const NYTPhotosViewControllerDidDismissNotification;
  */
 @property (nonatomic, readonly, nullable) NYTPhotosOverlayView *overlayView;
 
+/**
+ *  Shows all content under status bar frame. Default NO.
+ */
+@property (nonatomic) BOOL underStatusBar;
+
 /**
  *  The left bar button item overlaying the photo.
  */
@@ -177,6 +182,21 @@ extern NSString * const NYTPhotosViewControllerDidDismissNotification;
 
 @optional
 
+/**
+ *  Called when the view is about to made visible.
+ *
+ *  @param photosViewController The `NYTPhotosViewController` instance that sent the delegate message.
+ *  @param animated
+ */
+- (void)photosViewController:(NYTPhotosViewController *)photosViewController viewWillAppear:(BOOL)animated;
+
+/**
+ *  Called when the view is dismissed, covered or otherwise hidden.
+ *
+ *  @param photosViewController The `NYTPhotosViewController` instance that sent the delegate message.
+ */
+- (void)photosViewController:(NYTPhotosViewController *)photosViewController viewWillDisappear:(BOOL)animated;
+
 /**
  *  Called when a new photo is displayed through a swipe gesture.
  *

NYTPhotoViewer/NYTPhotosViewController.m

@@ -131,6 +131,20 @@ - (void)viewDidLoad {
     self.transitionController.endingView = endingView;
 }
 
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    if ([_delegate respondsToSelector:@selector(photosViewController:viewWillAppear:)]) {
+        [_delegate photosViewController:self viewWillAppear:animated];
+    }
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    if ([_delegate respondsToSelector:@selector(photosViewController:viewWillDisappear:)]) {
+        [_delegate photosViewController:self viewWillDisappear:animated];
+    }
+}
+
 - (void)viewDidAppear:(BOOL)animated {
     [super viewDidAppear:animated];
 
@@ -142,12 +156,22 @@ - (void)viewDidAppear:(BOOL)animated {
 - (void)viewWillLayoutSubviews {
     [super viewWillLayoutSubviews];
 
-    self.pageViewController.view.frame = self.view.bounds;
-    self.overlayView.frame = self.view.bounds;
+    CGRect frame = self.view.bounds;
+    if (self.underStatusBar) {
+        CGFloat statusBarHeight = [UIApplication sharedApplication].statusBarFrame.size.height;;
+        frame.origin.y = statusBarHeight;
+        frame.size.height -= statusBarHeight;
+    }
+    self.pageViewController.view.frame = frame;
+    self.overlayView.frame = frame;
 }
 
 - (BOOL)prefersStatusBarHidden {
-    return YES;
+    return !self.underStatusBar;
+}
+
+- (UIStatusBarStyle)preferredStatusBarStyle {
+    return UIStatusBarStyleLightContent;
 }
 
 - (BOOL)prefersHomeIndicatorAutoHidden {