Flutter : How to use connectivity_plus with go_router package

Question

I am trying to add network connectivity validation to flutter application , I am using go_router for routing and navigation . I want to push user to other page if he is not connected to internet. I was trying to use connectivity_plus for checking network connection. can we use streamBuilder or any other thing to check connection continuously while using the application.

I tried building Streambuilder with navigation bar widget but is there any better way of doing this. Following is code example of body part of navigation widget about how I built using streamBuilder:

body: StreamBuilder(
        stream: Connectivity().onConnectivityChanged,
        builder: (context, AsyncSnapshot<ConnectivityResult> snapshot) {
          print(snapshot.toString());
          if (snapshot.hasData) {
            ConnectivityResult? result = snapshot.data;
            if (result == ConnectivityResult.mobile &&
                result == ConnectivityResult.wifi) {
              return _pages[_currentIndex];
            } else {
              return NOTConnected();
            }
          } else {
            return NOTConnected();
          }
        },
      ),

This is not working as expected . How can we use this in go_router routes ?