uploading image to uploads.im

code chunk

ArrayList<ImageUploadResponse> responseArrayList = new ArrayList<>();
// call to upload the image
Observable.from(imageStorageList)
.flatMap(uri -> new ImageUploadHelper().uploadImage(new File(uri.getPath())))
.toList()
.map(list -> {
    for (ImageUploadResponse response :
            list
            )
    {
        if (response.getStatusCode() != 200) // check if all the images were uploaded 
        {
            throw new RuntimeException("Unable to upload image"); // this will be thorwn to onError
        }
    }
    
    request.setPhotoUrls(list);
    return request;
})
.flatMap(user -> apiClient.UpdateUserProfile(/*here your authorization*/, user))
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Observer<ImageUploadResponse>()
{
    @Override
    public void onCompleted()
    {
    }

    @Override
    public void onError(Throwable e)
    {
    }

    @Override
    public void onNext(ImageUploadResponse imageUploadResponse)
    {
    	responseArrayList.add(imageUploadResponse);
    }
});


//once the iamge is uploaded, use the below API to update the information
/*
    @POST("/user/updateProfile")
    Call<GenericSuccessResponse> UpdateUserProfile(@Header("Authorization") String authorization,
                                            @Body User request);
    
    User object looks like below
    
    public class User
    {
        public String email;
        public List<ImageUploadResponse> profileImages;
        
        //usual getters and setters
    }


*/