React native expo download and save file

import * as Sharing from 'expo-sharing';

import * as FileSystem from 'expo-file-system';

// https://www.planetgeek.ch/wp-content/uploads/2013/06/Clean-Code-V2.1.pdf

const downloadFile = async () => {

  const fileUri = FileSystem.documentDirectory + 'r.pdf'; // Set the file name and directory

  const downloadResumable = FileSystem.createDownloadResumable(

    'https://www.planetgeek.ch/wp-content/uploads/2013/06/Clean-Code-V2.1.pdf', // URL of the file to download

    fileUri, // Location to save the downloaded file

    {}, // Optional headers to include in the request

    (downloadProgress) => {

      const progress = downloadProgress.totalBytesWritten / downloadProgress.totalBytesExpectedToWrite;

      console.log(`Download progress: ${progress * 100}%`);

    }

  );

  try {

    const { uri } = await downloadResumable.downloadAsync(); // Start the download

    await Sharing.shareAsync(uri); //Allow user to select location to save file

    console.log(`Downloaded file stored at: ${uri}`);

  } catch (error) {

    console.error(error);

  }

};

 https://forums.expo.dev/t/how-to-save-the-file-to-devices-folder-like-download/2398/52