NPE: check that cn is null and return

We don't want to store null values in our sharedprefs,
and we dont want to crash.

Ticket: CD-569
Change-Id: I647bb9bb8861ed4205c11940b2efcda884e49a21

1 files changed, 4 insertions, 0 deletions

diff --git a/src/com/android/dialer/incall/InCallMetricsHelper.java b/src/com/android/dialer/incall/InCallMetricsHelper.java
index 76733726b..2a24ae19a 100644
--- a/src/com/android/dialer/incall/InCallMetricsHelper.java
+++ b/src/com/android/dialer/incall/InCallMetricsHelper.java
@@ -320,6 +320,10 @@ public class InCallMetricsHelper {
      */
     public static void increaseCountOfMetric(ComponentName cn, Events event, Categories cat,
                                              Parameters param) {
+        if (cn == null) {
+            // this is only null if we do not have a sim card.
+            return;
+        }
         HashMap<Parameters, Object> metricsData = getStoredEventParams(cn, cat, event);
         metricsData.put(param, increaseCount(metricsData,param));
         storeEvent(cn, cat, event, metricsData);