From b31c310fcf9739729ef2e64eaf49ce2e86a8a058 Mon Sep 17 00:00:00 2001
From: Andrew Lee <anwlee@google.com>
Date: Wed, 14 May 2014 12:13:02 -0700
Subject: Handle normalization of a "null" phone number.

Bug: 14900155
Change-Id: I1c4c5c6dec4c4c470b436102c72a7476d3d5237c
---
 telephony/java/android/telephony/PhoneNumberUtils.java | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'telephony')

diff --git a/telephony/java/android/telephony/PhoneNumberUtils.java b/telephony/java/android/telephony/PhoneNumberUtils.java
index c79e9bf..9da032a 100644
--- a/telephony/java/android/telephony/PhoneNumberUtils.java
+++ b/telephony/java/android/telephony/PhoneNumberUtils.java
@@ -1492,6 +1492,10 @@ public class PhoneNumberUtils
      * @return the normalized number.
      */
     public static String normalizeNumber(String phoneNumber) {
+        if (TextUtils.isEmpty(phoneNumber)) {
+            return "";
+        }
+
         StringBuilder sb = new StringBuilder();
         int len = phoneNumber.length();
         for (int i = 0; i < len; i++) {
-- 
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