Flutter Scrap and save to json file

// ad permision android minefist
//  
   // 
     
getdata() async {
    // Make an HTTP GET request to a URL
    var response =
        await http.get(Uri.parse('https://ex.co/'));

// Parse the response as HTML
    var document = parse(response.body);

    Directory? dir = await getExternalStorageDirectory();
    print(dir!.path);

// Select elements from the HTML document
    var link = document
        .querySelectorAll('#pt-cv-view-c197f60kdt > div > div > div > h4');
    var ss = document
        .querySelectorAll('#pt-cv-view-c197f60kdt > div > div > div > h4 > a')
        .map((e) => e.attributes['href'].toString())
        .toList();

    var myap = {
      "data": List.generate(link.length, (index) {
        return {"chapter": link[index].text};
      })
    };
    var filee = File('${dir.path}/main.json');
    await filee.writeAsString(jsonEncode(myap));
    //  log(myap.toString());

    // ignore: unused_local_variable
    for (var i = 0; i < 1;) {
      log('${dir.path}/${link[i].text.toString()}.json');
      var file = File('${dir.path}/${link[i].text.toString()}.json');
      var response = await http.get(Uri.parse(ss[i]));

// Parse the response as HTML
      var document = parse(response.body);

// Select elements from the HTML document
      var datali = document
          .getElementsByClassName('entry-content clr')[0]
          .innerHtml;
        

      var data = {'title': link[i].text, 'data': datali.toString()};

      await file.writeAsString(jsonEncode(data));

      i++;
    }