fix #1581: to many updates in cache list

1 files changed, 6 insertions, 0 deletions

diff --git a/main/src/cgeo/geocaching/ui/CacheListAdapter.java b/main/src/cgeo/geocaching/ui/CacheListAdapter.java
index c6d3404..25a8fdc 100644
--- a/main/src/cgeo/geocaching/ui/CacheListAdapter.java
+++ b/main/src/cgeo/geocaching/ui/CacheListAdapter.java
@@ -292,7 +292,13 @@ public class CacheListAdapter extends ArrayAdapter<cgCache> {
         if (coords == null) {
             return;
         }
+        final ArrayList<cgCache> oldList = new ArrayList<cgCache>(list);
         Collections.sort(list, new DistanceComparator(coords, list));
+
+        // avoid an update if the list has not changed due to location update
+        if (list.equals(oldList)) {
+            return;
+        }
         notifyDataSetChanged();
         lastSort = System.currentTimeMillis();
     }