From abfe1f1dbd85d9b8e88b3b4a7e86e0bcf92c0465 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Sat, 9 Jul 2022 14:46:18 +0200
Subject: [PATCH] do not show toast when activity is gone. fixes #4335

---
 .../eu/siacs/conversations/ui/ConversationFragment.java     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index 1b334e5d4421de4975a163f4834abe35559ff94c..2eb602257c4e99c6dad0ae4bf01109a6ec4a9e61 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -710,8 +710,12 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
                     }
 
                     @Override
-                    public void error(final int error, Message message) {
+                    public void error(final int error, final Message message) {
                         hidePrepareFileToast(prepareFileToast);
+                        final ConversationsActivity activity = ConversationFragment.this.activity;
+                        if (activity == null) {
+                            return;
+                        }
                         activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
                     }
                 });