text: import * as React from 'react';
  import { StyleSheet, Text, TouchableOpacity, View } from 'react-native';
  
  
  export default function NotFoundScreen({ navigation }) {
    return (
      <View style={styles.container}>
        <Text style={styles.title}>This screen doesn't exist.</Text>
        <TouchableOpacity onPress={() => navigation.replace('Root')} style={styles.link}>
          <Text style={styles.linkText}>Go to home screen!</Text>
        </TouchableOpacity>
      </View>
    );
  }
  
  const styles = StyleSheet.create({
    container: {
      flex: 1,
      backgroundColor: '#fff',
      alignItems: 'center',
      justifyContent: 'center',
      padding: 20,
    },
    title: {
      fontSize: 20,
      fontWeight: 'bold',
    },
    link: {
      marginTop: 15,
      paddingVertical: 15,
    },
    linkText: {
      fontSize: 14,
      color: '#2e78b7',
    },
  });
  