From 8a1a47e7736e311d679c38cdfb1417e17e420bd0 Mon Sep 17 00:00:00 2001
From: Greyson Parrelli <greyson@signal.org>
Date: Tue, 27 Nov 2018 09:32:56 -0800
Subject: [PATCH] Fix MediaPreview NPE.

---
 src/org/thoughtcrime/securesms/MediaPreviewActivity.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/org/thoughtcrime/securesms/MediaPreviewActivity.java b/src/org/thoughtcrime/securesms/MediaPreviewActivity.java
index 9af32fe3cf..af002c0263 100644
--- a/src/org/thoughtcrime/securesms/MediaPreviewActivity.java
+++ b/src/org/thoughtcrime/securesms/MediaPreviewActivity.java
@@ -241,7 +241,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
 
   private void initializeObservers() {
     viewModel.getPreviewData().observe(this, previewData -> {
-      if (previewData == null) {
+      if (previewData == null || mediaPager == null || mediaPager.getAdapter() == null) {
         return;
       }