upload.dart

import 'dart:io';

import 'package:http/http.dart';
class Upload {
  final Client client;

  Upload({this.client});

  Future execute(Uri yourFileUri) async {
    final uri = "https://your_end_point.com/upload"; // URL ENDPOINT KAMU
    final mimeType = "image/jpeg"; // JENIS FILE YANG AKAN DIKIRIM, KALI INI KITA HARDCODE DULU

    Map<String, String> uploadHeaders = {'Content-type': mimeType}; // HEADER YANG ENDPOINT KAMU BUTUHIN

    var uploadResponse = await client.put(Uri.parse(uri), // REQUEST METHODNYA SESUAIIN SAMA ENDPOINT KAMU, ANE PAKE PUT
        headers: uploadHeaders,
        body: await File.fromUri(yourFileUri).readAsBytes()); // FILE YANG DIKIRIM DIRUBAH JADI BYTES

    if (uploadResponse.statusCode == 200) {
      print("200");
    } else {
      print("Error ${uploadResponse.statusCode}");
    }

  }
}