1import * as React from 'react';
2import { Button } from 'react-native';
3import { useNavigation } from '@react-navigation/native';
4
5function MyBackButton() {
6  const navigation = useNavigation();
7
8  return (
9    <Button
10      title="Back"
11      onPress={() => {
12        navigation.goBack();
13      }}
14    />
15  );
16}