val image = Bitmap() // vem o bitmap da camera
                        val stream = ByteArrayOutputStream()
                        image.compress(Bitmap.CompressFormat.PNG, 100, stream)
                        val byteArray = stream.toByteArray()
                        val newImageId = UUID.randomUUID()
                        val conferenceImage = ConferenceImage(imageId, conferenceId, byteArray)

                        val imageId = conferenceImage.id.toString()
                        val conferenceId = conferenceImage.conferenceId.toString()
                        val filename = String.format("image_%s", imageId)
                        val requestFile = RequestBody.create(MediaType.parse("image/*"), conferenceImage.bytes)
                        val body = MultipartBody.Part.createFormData("Upload conference image", filename, requestFile)

                        //@POST("api/conference/{conferenceId}/image/{imageId}")
                        _fisaWebService.uploadImage(conferenceId, imageId, body)