The short answer is yes there is a timeout enforced via TCP Keep-Alive, so no the socket won't remain open forever but will probably time out after a few hours. If keep-alives are included, the application MUST be able to turn them on or off for each TCP connection . Unluckily, again, .NET didn't really make it straightforward to do this… which is why I'm writing this blog post. I use Socket.IO-client java library in my application. How to configure androidasync client to support keep-alive socket ... Android Socket.IO best practices for keeping connection alive My Android app is using the AndroidAsync library to connect to a Node.js server with the Socket.IO client. App capabilities: . Send a heart-beat or ping. Now I can debug. See also. cannot keep socket connection when screen off in android The Linux command line lets you retrieve data by either listening on a socket or connecting to a socket. www.b4x.com Hey, I'm Lucas Siqueira! Whether keep-alive packets are sent to the remote destination. I have set a repeat task with AlarmManager, which checks the websocket connection status, if it is not in connected status, then re-try to connect so as to back to normal to receive push messages. I thought that explicitly setting the transport method to WebSocket might help as opposed to the long polling way. TCP builds upon IP to get the data delivered. Does a TCP socket connection have a "keep alive"? Best way to keep websocket connection alive? · Issue #235 · koush ... This means that if the network goes away, I need to reconnect when it comes back; if the websocket server is restarted the app should keep trying to reconnect; if we switch from mobile to wifi we need to set the connection back up and so on . I am also using andyroidasync as the server to receiving file segments. A host receiving one of these ACKs responds with an ACK for the current sequence number. However there are cases where the connection can be temporary broken. But a Service in itself won't be such a great way because it would be working on the UI thread of your application.
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