Zebra weblink 404 Not found with ZSDK_DevDemo from github


I am working with ZSDK_DevDemo from github.

I ran this demo code on server and trying to connect it from Zebra printer.
Zebra printer log occured 404 Not found error after passed all SSLv3 handshake and server certificate verification.

Flutter plugin for Zebra SDK

Currently ZEBRA development offers supports for Desktop(using Java and .NET), Cross Platform Xamarin, Android and iOS native, Web Services, Windows Mobile(which is deprecated)...

I was wondering if there are plans to support Flutter development?

I have found some threads about requests of a Flutter plugin for instance: