I am new for Retrofit I wanna to upload single image with different params like name,dob,mobile. i don't know where i am wrong Please guide me. I follow this LINK
Here is my code
interface
 @Multipart
    @POST("signup")
    Call<ResponseBody> getSignup(@Part("name") RequestBody name, @Part("email") RequestBody email, @Part("dob") RequestBody dob, @Part("phone") RequestBody phone, @Part("IMEI") RequestBody IMEI, @Part MultipartBody.Part file);
upload code
 // create RequestBody instance from file
                RequestBody requestFile =
                        RequestBody.create(MediaType.parse("multipart/form-data"), file);
                // MultipartBody.Part is used to send also the actual file name
                MultipartBody.Part body =
                        MultipartBody.Part.createFormData("image", file.getName(), requestFile);
                RequestBody name =
                        RequestBody.create(
                                MediaType.parse("multipart/form-data"), et_name.getText().toString());
                RequestBody email =
                        RequestBody.create(
                                MediaType.parse("multipart/form-data"), et_email.getText().toString());
                RequestBody dob =
                        RequestBody.create(
                                MediaType.parse("multipart/form-data"), et_dob.getText().toString());
                RequestBody mobile =
                        RequestBody.create(
                                MediaType.parse("multipart/form-data"), et_mobile.getText().toString());
                RequestBody imei =
                        RequestBody.create(
                                MediaType.parse("multipart/form-data"), IMEI);
                Call<ResponseBody> responseBodyCall = apiInterface.getSignup(name, email, dob, mobile, imei, body);
                responseBodyCall.enqueue(new Callback<ResponseBody>() {
                    @Override
                    public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
                        String response_two = response.body().toString();
                        Log.i(TAG, "onResponse: " + response_two);
//                        startActivity(new Intent(this, OTPActivity.class));
                    }
                    @Override
                    public void onFailure(Call<ResponseBody> call, Throwable t) {
                        Log.e("Upload error:", t.getMessage());
                    }
                });
 
     
     
     
     
    