code: function(message, resultCallback, title, buttonLabels, defaultText) {
          var _message = (message || "Prompt message");
          var _title = (title || "Prompt");
          var _buttonLabels = (buttonLabels || ["OK","Cancel"]);
          var _defaultText = (defaultText || "");
          exec(resultCallback, null, "Notification", "prompt", [_message, _title, _buttonLabels, _defaultText]);
      }
docs: Open a native prompt dialog, with a customizable title and button text.
  The following results are returned to the result callback:
  buttonIndex     Index number of the button selected.
  input1          The text entered in the prompt dialog box.
  
  @param {String} message              Dialog message to display (default: "Prompt message")
  @param {Function} resultCallback     The callback that is called when user clicks on a button.
  @param {String} title                Title of the dialog (default: "Prompt")
  @param {Array} buttonLabels          Array of strings for the button labels (default: ["OK","Cancel"])
  @param {String} defaultText          Textbox input value (default: empty string)