flutter-image-upload-aws-s3.dart

import 'package:path/path.dart';
import 'dart:io';
import 'dart:async';
import 'package:dio/dio.dart';

/**
 * accepts two parameters,the endpoint and the file
 * returns Response from server
 */
Future<Response> sendFile(String url, File file) async {
  Dio dio = new Dio();
  var len = await file.length();
  var response = await dio.put(url,
      data: file.openRead(),
      options: Options(headers: {
        Headers.contentLengthHeader: len,
      } // set content-length
          ));
  return response;
}

can you give me full code or any example for this i nedd to uplode img and get url