From cf97bb939354ae5704f7d8f349cfa159fac36da8 Mon Sep 17 00:00:00 2001
From: Sam Bosley <sboz88@gmail.com>
Date: Thu, 7 Mar 2013 13:55:58 -0800
Subject: [PATCH] Fixed a potential concurrency bug

---
 .../com/todoroo/astrid/actfm/sync/ActFmSyncThread.java      | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncThread.java b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncThread.java
index 9e276e17a..46049b40a 100644
--- a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncThread.java
+++ b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncThread.java
@@ -240,8 +240,10 @@ public class ActFmSyncThread {
     };
 
     private void incrementProgress() {
-        if (activity != null) {
-            activity.runOnUiThread(incrementProgressRunnable);
+        synchronized (progressBarLock) {
+            if (activity != null) {
+                activity.runOnUiThread(incrementProgressRunnable);
+            }
         }
     }