In addition to @jasonwaters answer. I have a working example of the FileTransfer plugin here. The only part that is not working is updating the progress to view. Still working on that part. So it will upload your files no problem. 
In addition to @jasonwaters answer. I have a working example of the FileTransfer plugin here. The only part that is not working is updating the progress to view. Still working on that part. So it will upload your files no problem.