upload files to Dropbox from iOS app with Swift

Question

I have completed this tutorial(https://blogs.dropbox.com/developers/2014/09/swift-apps-with-dropbox/) and successfully linked my iOS app with Dropbox. However, I want to be

Answer 1

I was able to upload a large(r) file (> 800MB) with this (gist) code (Swift 2.2) -->

https://gist.github.com/cnharris10/3d744ca13abd13d4d5bd3a363be16dff

See example screen shot below with another 150mb file uploaded in chunks of 1mb