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File: /home/prodcxja/public_html/questions/application/controllers/Questions.php
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Function: require_once

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Android Socket.io Background Service

I have a socket.io library. It's a websocket library on JavaScript. I want to keep alive 7/24 the service but the android OREO have background service limits. How can i solve it ? I want to check the client is alive or not. The whatsapp, facebook and skype how do that? I want to ping the every 3 seconds to my server. But i want to keep alive the sockets connections.