How to use the reactxp.UserInterface function in reactxp

init() {
        RX.App.initialize(DEBUG, DEV);
        RX.UserInterface.setMainView(this._renderRootView());
    }

init() {
        RX.App.initialize(DEBUG, DEV);
        RX.UserInterface.setMainView(this._renderRootView());
    }

init() {
        RX.App.initialize(DEBUG, DEV);
        RX.UserInterface.setMainView(this._renderRootView());
    }

const RXDecorator = (storyFn) => {
  if (document) {
    document.getElementById('root').className = 'app-container';
  }
  const story = storyFn();
  RX.UserInterface.setMainView(story);
  return story;
};

import React from 'react';
import RX from 'reactxp';
import { App } from './App';
import { DEBUG, DEV } from './config';

RX.App.initialize(DEBUG, DEV);
RX.UserInterface.setMainView();

import React from 'react';
import RX from 'reactxp';
import { App } from './App';
import { DEBUG, DEV } from './config';

RX.App.initialize(DEBUG, DEV);
RX.UserInterface.setMainView();