We need help to fix bug in Android app and Server Side ( communication between app and server "online" "offline").
We are looking for expert developer in the following:
1- JBoss Netty server. or something based on java.
2- Web Socket API or message pack.
3- Java Expert.
4- Socket IO,
5- Expert in Server and Client Sides.
we have already bluid a deashborad and Android application but at now we find some bug in this point : *Connection between PHP (server) and Android (client) Using HTTP and JSON.
at now we can t get good result at status of users "online " and "offline" status of network or wifi .
insome version in android work well but in 5.0 version and more, after a while the phone lock screen The server socket is disconnect,The client is not active disconnect