React-native project setup

App.js

import React, { Component } from 'react';
import { Text, View } from "react-native";
import { Provider } from 'react-redux';
import { createStore } from 'redux';
import reducer from './reducers/'

class App extends Component {
    render() {
        return (
            <Provider store={createStore(reducer)}>
                <View>
                    <Text>
                        Hello
                    </Text>
                </View>
            </Provider>
        );
    }
}

export default App;

index.android.js

import { AppRegistry } from 'react-native';
import App from './src/App';

AppRegistry.registerComponent('manager', () => App);

index.js

import { combineReducers } from 'redux';

export default combineReducers({
   banana: () => []
});