code: public static void v(String tag, String formatString, Object... args) {
          if (logger != null && isLoggingEnabled(tag, VERBOSE)) {
              try {
                  logger.v(tag, String.format(Locale.ENGLISH, formatString, args));
              } catch (Exception e) {
                  logger.v(tag, String.format(Locale.ENGLISH, "Unable to format log: %s", formatString), e);
              }
          }
  
      }
docs: Send a VERBOSE message.
  @param tag Used to identify the source of a log message.  It usually identifies
  the class or activity where the log call occurs.
  @param formatString The string you would like logged plus format specifiers.
  @param args Variable number of Object args to be used as params to formatString.