Dialer: Fix possible NPE

* In some cases with VVM involved, the phone number seems to be null,
  resulting in a NPE when trying to split it by the regex
* Make sure there is always a valid string involved to prevent the error

BUGBASH-1447, BUGBASH-1242

Change-Id: I88302deeaeb3e085190fdab5fa7d2a8030bceb88

1 files changed, 4 insertions, 1 deletions

diff --git a/src/com/android/dialer/calllog/CallLogAdapter.java b/src/com/android/dialer/calllog/CallLogAdapter.java
index 6a447a667..65aad9b2a 100644
--- a/src/com/android/dialer/calllog/CallLogAdapter.java
+++ b/src/com/android/dialer/calllog/CallLogAdapter.java
@@ -507,7 +507,10 @@ public class CallLogAdapter extends GroupingListAdapter
         }
 
         int count = getGroupSize(position);
-        final String phoneNumber = c.getString(CallLogQuery.NUMBER);
+        String phoneNumber = c.getString(CallLogQuery.NUMBER);
+        if (phoneNumber == null) {
+            phoneNumber = "";
+        }
         Pattern pattern = Pattern.compile("[,;]");
         String[] num = pattern.split(phoneNumber);
         final String countryIso = c.getString(CallLogQuery.COUNTRY_ISO);