Disconnected Web App Goes Offline In Unstable Network

Hi everyone,

My XOJO web app got offline every time the network got disconnected.

This is usually not a problem in an environment where the network ( wireless ) is stable. However, in unstable network, such as while doing demonstration in public using mobile hotspots or using publicly available network, this become cumbersome and embarrassing.
Our web app requires login to get into the app, so sometimes every 2-3 minutes we have to login back to get to the page. Worst still when user are entering data and the network got disconnected. All new data would be lost.

Is there anyway to overcome this?

thanks in advance.