PHP File <?php $con=new MySQLi("localhost","","",""); if($_SERVER['REQUEST_METHOD']=='POST'){ $image = $_POST['img']; $name = $_POST['name']; $sql ="SELECT * from img"; $res = mysqli_query($con,$sql); $id = 0; while($row = mysqli_fetch_array($res)){ $id = $row['id']; } $path = "upload/$id.pdf"; $actualpath = "URL/$path"; $sql = "INSERT INTO img (img,name) VALUES ('$actualpath','$name')"; if(mysqli_query($con,$sql)){ file_put_contents($path,base64_decode($image)); echo "Successfully Uploaded"; } mysqli_close($con); }else{ echo "Error"; } public interface ApiConfig { @Multipart @POST( "uploadpdf.php" ) Call<ServerRespons...