I am writing an app that connects to a telnet server via wifi. I have a service that manages the socket connection. It all works fine, but when the phone sleeps it disconnects the wifi radio, which causes the socket connection to break (and throws a SocketException).
I feel like I should be able to set up a a broadcast receiver whose onResume() method is called when the wifi network connection is lost, and that would allow me to gracefully shut down the socket, and re-open it if the network is immediately re-connected. But I can’t find anything like that in the doc or via searching.
Service code is here if you want it, thanks for the help, I really appreciate it!
Register a BroadcastReceiver for ConnectivityManager.CONNECTIVITY_ACTION. In the onReceive handler you can call NetworkInfo info = (NetworkInfo) intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO) and then info.getType() and check for ConnectivityManager.TYPE_WIFI and do what you want then. 🙂
Answer：
*set these permissions in your manifest
*Register a BroadcastReceiver for these actions filters in your manifest
*Define your BroadcastReceiver´s implementation
Answer：
I know this is an old question but see the following developer documentation:
http://developer.android.com/training/monitoring-device-state/connectivity-monitoring.html
Answer：
Not sure as to the exact way to do this but I think the ConnectivityManager would be a good place to start.
http://developer.android.com/reference/android/net/ConnectivityManager.html
you can get an instance of this class by calling Context.getSystemService(Context.CONNECTIVITY_SERVICE)
There are also some other good classes in android.net that you can use.
Hope that helps.
Tags: androidandroid
