From 96e16b01e637fd139e1d708b8eebe2f3e950f372 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Mon, 28 Sep 2020 22:14:22 +0200
Subject: [PATCH] Prevent crash

---
 .../main/java/eu/faircode/email/FragmentMessages.java | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/FragmentMessages.java b/app/src/main/java/eu/faircode/email/FragmentMessages.java
index 4f59aa9a12..e2c8a31034 100644
--- a/app/src/main/java/eu/faircode/email/FragmentMessages.java
+++ b/app/src/main/java/eu/faircode/email/FragmentMessages.java
@@ -5288,7 +5288,16 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
             if (collapse_multiple && expanded > 0 && count > 1) {
                 values.get("expanded").clear();
                 updateExpanded();
-                adapter.notifyDataSetChanged();
+                rvMessage.post(new Runnable() {
+                    @Override
+                    public void run() {
+                        try {
+                            adapter.notifyDataSetChanged();
+                        } catch (Throwable ex) {
+                            Log.e(ex);
+                        }
+                    }
+                });
                 return true;
             }