I'm able to save .xlsx file into the phone storage but I've two issues.

• App exits automatically once it saves a .xlsx file into the phone storage.

• .xlsx file is saving in 'DCIM' folder, but I need to save in 'Download' folder.

  handleDownload = async () => {
  const data = this.handleDownloadAbleLogs();
  
  if (!data.length)
    return ToastAndroid.showWithGravity(
      "Sorry, no logs available to download.",
      ToastAndroid.LONG,
      ToastAndroid.CENTER
    );
  
  const ws = XLSX.utils.json_to_sheet(data);
  const wb = XLSX.utils.book_new();
  
  XLSX.utils.book_append_sheet(wb, ws, "Logs");
  
  const wbout = XLSX.write(wb, {
    type: "base64",
    bookType: "xlsx",
  });
  const uri = `${FileSystem.cacheDirectory}logs.xlsx`;
  
  try {
    await FileSystem.writeAsStringAsync(uri, wbout, {
      encoding: FileSystem.EncodingType.Base64,
    });
    console.log(uri);
    this.saveXLSXFile(uri);
    alert("Logs file has been saved in DCIM folder, do check there.");
  } catch (e) {
    console.error(e);
  }};
  
  
   saveXLSXFile = async (fileUri) => {
      const { status } = await MediaLibrary.requestPermissionsAsync();
      if (status === "granted") {
        const asset = await MediaLibrary.createAssetAsync(fileUri);
        await MediaLibrary.createAlbumAsync("Download", asset, false);
      } else alert("We need you permission to download this file.");   
  };