diff options
Diffstat (limited to 'telephony')
-rw-r--r-- | telephony/java/android/telephony/PhoneNumberUtils.java | 4 |
1 files changed, 4 insertions, 0 deletions
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++) { |