CanonicalAddressDatabase.java 文件源码

@VisibleForTesting
static boolean isNumberAddress(@NonNull String number) {
  if (number.contains("@"))             return false;
  if (GroupUtil.isEncodedGroup(number)) return false;

  final String networkNumber = PhoneNumberUtils.extractNetworkPortion(number);

  if (TextUtils.isEmpty(networkNumber)) return false;
  if (networkNumber.length() < 3)       return false;

  return PhoneNumberUtils.isWellFormedSmsAddress(number);
}