code: public static void i(String tag, String msg) {
          if (logger != null && isLoggingEnabled(tag, INFO)) {
              logger.i(tag, msg);
          }
      }
docs: Send an INFO 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 msg The message you would like logged.