Is this a bug report?

No

Have you read the Contributing Guidelines?

Yes

Environment

1. react-native -v:
   react-native-cli: 2.0.1
   react-native:0.47.2
2. node -v: v8.2.1
3. npm -v: 4.6.1
4. yarn --version:

Then, specify:

• Target Platform: Andriod

• Development Operating System: windows 7 ultimate version 6.1

• Build tools: Expo

Code:

import React, {Component} from 'react'
import {Provider, connect} from 'react-native'
import {StackNavigator, addNavigationHelpers} from 'react-navigation'

import Routes from './config/routes'
import getStore from './store'

const Navigator = StackNavigator(Routes, {
headerMode: 'none'
})

const navReducer = (state, action) => {
const newState = Navigator.router.getStateForAction(action, state)
return newState || state
}

class App extends Component {
render(){
return(
<Navigator
navigation={addNavigationHelpers({
dispatch: this.props.dispatch,
state: this.props.nav
})}
/>
)
}
}

const store = getStore(navReducer)
const AppIndex = connect( state => ({ nav: state.nav }) )(App)

export default Index = () => {
return (
<Provider store={store}>
<AppIndex />
</Provider>
)
}