UsernameInvalidException

Results 4 comments of UsernameInvalidException

You might consider using NanoHTTPD for this purpose, since there's already a working implementation in Java IIRC

Additionally, It can happen both at the beginning of the animation, as well as in the middle of the animation.

It appears that PR #54 contains the fix for this

We did this in Chat Exchange by extending WebView. You can look at our code if you want @TristanWiley