c# - Xamarin.Forms upload image to server directory -


i have upload image application php web service tried code:

private void  upload(mediafile mediafile) {     try     {            byte[] data = readfully(mediafile.source);          var imagestream = new bytearraycontent(data);         imagestream.headers.contentdisposition = new contentdispositionheadervalue("attachment")         {             filename = guid.newguid() + ".png"         };          var multi = new multipartcontent();         multi.add(imagestream);         var client = new system.net.http.httpclient();         client.baseaddress = new uri("url");         var result = client.postasync("api/manageimage", multi).result;     }     catch (exception e)     {      }  }

php:

<?php      $uploads_dir = 'image/'; //directory save file comes      client application.           if ($_files["file"]["error"] == upload_err_ok)            {               $tmp_name = $_files["file"]["tmp_name"];              $name = $_files["file"]["name"];             move_uploaded_file($tmp_name, "$uploads_dir/$name");        } ?>

i take file xam.plugin.filepicker don't know how send , how recive image


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