Create a simple store-and-forward webapp. An Android client app could easily invoke this as a web service.
Yes, we use the ship's LAN which is free.
require the devices to connect to an access point.
do you really need to communicate digital?
Exception in thread "main" java.lang.StackOverflowError
I'm not quite sure where the problem is
it coudn't compile
... reasons causing this problem
1) my program doesnt have main method,