public static String getCombinedTextForIssuerAndAccountName(String issuer, String accountName) {
    if (!Strings.isNullOrEmpty(issuer)) {
      return issuer + " (" + accountName + ")";
    }
    return accountName;
  }
Get the combined text for issuer and account name, both of the texts appears in the same
textview with format: {@code [issuer] ([account name])}.

<p>In case the issuer text is null or empty string, this function returns the account name
only.

@param issuer the issuer text.
@param accountName the account name text.
@return the combined text as described above.
java/com/google/android/apps/authenticator/util/Utilities.java