AppNavigator.js

import React from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
import { addNavigationHelpers, StackNavigator } from 'react-navigation';

import MainPageContainer from './MainPage/MainPageContainer';
import YourPodcastsViewContainer from './YourPodcasts/YourPodcastsViewContainer';
import PodcastDescriptionContainer from './PodcastDescription/PodcastDescriptionContainer'
import PlayingEpisodeContainer from './PlayingEpisode/PlayingEpisodeContainer'
import PodcastBrowserContainer from "./PodcastBrowser/PodcastBrowserContainer"

export const AppNavigator = StackNavigator(
  {
    MainPageView: { screen: MainPageContainer },
    YourPodcastsView: { screen: YourPodcastsViewContainer },
    PodcastDescriptionView: { screen:PodcastDescriptionContainer},
    PlayingEpisodeView:{ screen:PlayingEpisodeContainer },
    PodcastBrowserView:{ screen:PodcastBrowserContainer },
  },
  { 
    headerMode:"none",
  }
);

const AppWithNavigationState = ({ dispatch, nav }) => (
  <AppNavigator navigation={addNavigationHelpers({ dispatch, state: nav })} />
);

AppWithNavigationState.propTypes = {
  dispatch: PropTypes.func.isRequired,
  nav: PropTypes.object.isRequired,
};

const mapStateToProps = state => ({
  nav: state.nav,
});

export default connect(mapStateToProps)(AppWithNavigationState);