From c1a52e91bb62446995e9a4dc6d91fca01f1a42cd Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Mon, 3 Dec 2018 09:56:35 +0100
Subject: [PATCH] Prevent crash

---
 app/src/main/java/eu/faircode/email/FragmentMessages.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/FragmentMessages.java b/app/src/main/java/eu/faircode/email/FragmentMessages.java
index 8c967324d4..5f6c36b7ad 100644
--- a/app/src/main/java/eu/faircode/email/FragmentMessages.java
+++ b/app/src/main/java/eu/faircode/email/FragmentMessages.java
@@ -1523,6 +1523,12 @@ public class FragmentMessages extends FragmentEx {
                     model.setMessages(messages);
                 }
 
+                if (selectionTracker != null) {
+                    PagedList<TupleMessageEx> current = adapter.getCurrentList();
+                    if (messages.size() != (current == null ? 0 : current.size()))
+                        selectionTracker.clearSelection();
+                }
+
                 Log.i(Helper.TAG, "Submit messages=" + messages.size());
                 adapter.submitList(messages);