Handle normalization of a "null" phone number.

Bug: 14900155 Change-Id: I1c4c5c6dec4c4c470b436102c72a7476d3d5237c
2014-05-14 12:13:02 -07:00
parent bee74c2b47
commit b31c310fcf
1 changed files with 4 additions and 0 deletions
--- 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++) {