react-native-navigation/example-redux/src/screens/PushedScreen.js

import React, {
  Component,
  Text,
  View,
  ScrollView,
  TouchableOpacity,
  StyleSheet,
  TextInput
} from 'react-native';
import { connect } from 'react-redux';
import * as counterActions from '../reducers/counter/actions';

// this is a traditional React component connected to the redux store
class PushedScreen extends Component {
  static navigatorStyle = {
    statusBarColor: '#303F9F',
    toolBarColor: '#3F51B5',
    navigationBarColor: '#303F9F',
    buttonsTint: '#FFFFFF',
    titleColor: '#FFFFFF',
    tabSelectedTextColor: '#FFA000',
    tabNormalTextColor: '#FFC107',
    tabIndicatorColor: '#FF4081'
  };

  constructor(props) {
    super(props);
    this.bgColor = this.getRandomColor();
  }

  getRandomColor() {
    var letters = '0123456789ABCDEF'.split('');
    var color = '#';
    for (var i = 0; i < 6; i++ ) {
      color += letters[Math.floor(Math.random() * 16)];
    }
    return color;
  }

  render() {
    return (
      <View style={{flex: 1, padding: 20, backgroundColor: this.bgColor}}>

        <Text style={styles.text}>
          <Text style={{fontWeight: '500'}}>Counter: </Text> {this.props.counter.count}
        </Text>

        <TouchableOpacity onPress={ this.onIncrementPress.bind(this) }>
          <Text style={styles.button}>Increment Counter</Text>
        </TouchableOpacity>

        <TouchableOpacity onPress={ this.onPushPress.bind(this) }>
          <Text style={styles.button}>Push Another</Text>
        </TouchableOpacity>

        <TouchableOpacity onPress={ this.onPopPress.bind(this) }>
          <Text style={styles.button}>Pop Screen</Text>
        </TouchableOpacity>

        <TextInput style={{height: 40, borderColor: 'gray', borderWidth: 1}}/>

      </View>
    );
  }
  onIncrementPress() {
    this.props.dispatch(counterActions.increment());
  }
  onPushPress() {
    this.props.navigator.push({
      title: "More",
      screen: "example.PushedScreen"
    });
  }
  onPopPress() {
    this.props.navigator.pop();
  }
}

const styles = StyleSheet.create({
  text: {
    textAlign: 'center',
    fontSize: 18,
    marginBottom: 10,
    marginTop:10
  },
  button: {
    textAlign: 'center',
    fontSize: 18,
    marginBottom: 10,
    marginTop:10,
    color: 'blue'
  }
});

// which props do we want to inject, given the global state?
function mapStateToProps(state) {
  return {
    counter: state.counter
  };
}

export default connect(mapStateToProps)(PushedScreen);