Multiple Image Upload Using okhttp3 android

MainAcitivity.java

@OnClick(R.id.fabupload)
    public void upload(){

           Toast.makeText(MainActivity.this, "click", Toast.LENGTH_SHORT).show();


                    MultipartBody.Builder builder = new MultipartBody.Builder()
                    .setType(MultipartBody.FORM);
        
                    for(int i = 0 ; i < images_path.size() ; i++) {
                   
                        File file = new File(images_path.get(i).getThumbnailPath());
                        
                        if(file.exists() {
                            final MediaType MEDIA_TYPE = MediaType.parse(images_path.get(i).getMimeType());
                            builder.addFormDataPart("my_images[]",file.getName(),RequestBody.create(MEDIA_TYPE,file));
                        }
                        else {
                             Log.d(TAG, "file not exist ");
                        }


                    }
        
        
        
                     builder.addFormDataPart("description", description);
                     builder.addFormDataPart("referer_id", doc_id);
                           
                      RequestBody requestBody = builder.build();
                      
                       Request request = new Request.Builder()
                        .url("url......")
                        .post(requestBody)
                        .build();
                           
                           OkHttpClient client = new OkHttpClient.Builder().build();

                            Call call = client.newCall(request);


                            call.enqueue(new okhttp3.Callback() {
                                @Override
                                public void onFailure(Call call, IOException e) {
                                     e.printStackTrace();
                                }

                                @Override
                                public void onResponse(Call call, okhttp3.Response response) throws IOException {

                                 
                                }

                              
                            });     
                           
                           
                   

    }

this code work well
thanks for code