text: import React, { Component } from 'react';
  import { View, Text } from 'react-native';
  import { Ionicons } from '@expo/vector-icons';
  
  class SettingsScreen extends Component {
    render() {
      return (
        <View>
          <Text>Settings</Text>
        </View>
      );
    }
  }
  
  const Settings = {
    screen: SettingsScreen,
    navigationOptions: {
      tabBarLabel: 'Settings',
      tabBarIcon: ({ tintColor }) => (
        <Ionicons name="ios-settings-outline" size={30} color={tintColor} />
      )
    }
  };
  
  export default Settings;
  