message: Changed Next to class component
diff: import React from 'react';
  import {StyleSheet, Text, View, TouchableHighlight} from 'react-native';
  -export default ({stateNavigator}) => {
  +export default class Next extends React.Component {
  + render() {
  + const {stateNavigator} = this.props;
  const {url} = stateNavigator.stateContext;
  return (
  <View style={styles.scene}>
  @@ -15,6 +17,7 @@ export default ({stateNavigator}) => {
  </TouchableHighlight>
  </View>
  )
  + }
  };
  const styles = StyleSheet.create({
  