From fa093cc590fae39a3e4f8cbc6f528df2560a5f95 Mon Sep 17 00:00:00 2001
From: Felix Schulze <mail@felixschulze.de>
Date: Tue, 4 Nov 2014 21:10:43 +0100
Subject: [PATCH] Restore iOS < 8 compatibility

---
 FSImageViewer/FSImageViewerViewController.m | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/FSImageViewer/FSImageViewerViewController.m b/FSImageViewer/FSImageViewerViewController.m
index b0891b6..6191c8b 100644
--- a/FSImageViewer/FSImageViewerViewController.m
+++ b/FSImageViewer/FSImageViewerViewController.m
@@ -216,8 +216,10 @@ - (void)share:(id)sender {
         NSAssert(currentImage.image, @"The image must be loaded to share.");
         if (currentImage.image) {
             UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:@[currentImage.image] applicationActivities:_applicationActivities];
-            if(!controller.popoverPresentationController.barButtonItem){
-                controller.popoverPresentationController.barButtonItem = shareButton;
+            if([controller respondsToSelector:@selector(popoverPresentationController)]) {
+                if (!controller.popoverPresentationController.barButtonItem) {
+                    controller.popoverPresentationController.barButtonItem = shareButton;
+                }
             }
             [self presentViewController:controller animated:YES completion:nil];
         }