code: public static void e(String tag, String message, Object... args) {
          sLogger.e(tag, message, args);
      }
docs: Send a error log message to the logger.
  
  @param tag     Used to identify the source of a log message.  It usually identifies
  the class or activity where the log call occurs.
  @param message The message you would like logged. This message may contain string formatting
  which will be replaced with values from args.
  @param args    Arguments for string formatting.