From be3a464a004de4a56375bb211f57b21c6d87a78a Mon Sep 17 00:00:00 2001
From: Jesse Vincent <jesse@fsck.com>
Date: Wed, 20 Jan 2010 22:10:44 +0000
Subject: [PATCH] Fix a crash on swipe in the message list.  Thanks to cketti.

Fixes issue 1054
---
 src/com/fsck/k9/activity/MessageList.java | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/com/fsck/k9/activity/MessageList.java b/src/com/fsck/k9/activity/MessageList.java
index 563416128..6d6ec0489 100644
--- a/src/com/fsck/k9/activity/MessageList.java
+++ b/src/com/fsck/k9/activity/MessageList.java
@@ -1348,10 +1348,18 @@ public class MessageList
                 boolean selected = (deltaX > 0);
                 int position = mListView.pointToPosition((int)e1.getX(), (int)e1.getY());
 
-                ((MessageInfoHolder)  mAdapter.getItem(position)).selected = selected;
-                mSelectedCount += (selected ? 1 : -1);
-                mAdapter.notifyDataSetChanged();
-                toggleBatchButtons();
+                if (position != AdapterView.INVALID_POSITION)
+                {
+                    MessageInfoHolder msgInfoHolder = (MessageInfoHolder) mAdapter.getItem(position);
+
+                    if (msgInfoHolder != null)
+                    {
+                        msgInfoHolder.selected = selected;
+                        mSelectedCount += (selected ? 1 : -1);
+                        mAdapter.notifyDataSetChanged();
+                        toggleBatchButtons();
+                    }
+                }
             }
 
             return false;