Prevent existing cached normalized numbers from being overwritten.

Fixed case where if a number is not in your contacts and it has a cached
normalized number in the call log, viewing the call log will delete the
normalized number.

Bug: 15591755
Change-Id: I7111ca6a2aacaebb0adfb15ccb5e6dc0792e2016

1 files changed, 3 insertions, 1 deletions

diff --git a/src/com/android/dialer/calllog/CallLogAdapter.java b/src/com/android/dialer/calllog/CallLogAdapter.java
index 4b1aeabe5..249c30c41 100644
--- a/src/com/android/dialer/calllog/CallLogAdapter.java
+++ b/src/com/android/dialer/calllog/CallLogAdapter.java
@@ -1096,7 +1096,9 @@ public class CallLogAdapter extends GroupingListAdapter
                 values.put(Calls.CACHED_LOOKUP_URI, UriUtils.uriToString(updatedInfo.lookupUri));
                 needsUpdate = true;
             }
-            if (!TextUtils.equals(updatedInfo.normalizedNumber, callLogInfo.normalizedNumber)) {
+            // Only replace the normalized number if the new updated normalized number isn't empty.
+            if (!TextUtils.isEmpty(updatedInfo.normalizedNumber) &&
+                    !TextUtils.equals(updatedInfo.normalizedNumber, callLogInfo.normalizedNumber)) {
                 values.put(Calls.CACHED_NORMALIZED_NUMBER, updatedInfo.normalizedNumber);
                 needsUpdate = true;
             }