[android-developers] Re: How to change default HIPRI connection expiry?

There is no way to change the expiry delay.

However, you can reset the timeout by calling

connMan.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, "enableHIPRI");

every 30 seconds or so.

The connection should then be stable as long as you need it.

Hope this helps
Sascha

Am Donnerstag, 1. März 2012 02:55:50 UTC+1 schrieb flumby:

In my project, I need to access an IP Address through mobile connection --irrespective of whether it is connected to mobile or WIFI network. My code is similar to below:


               connMan = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
               int res = connMan.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, "enableHIPRI");

Then when I get the notification that HIPRI is available, I call:
               boolean reqRes = connMan.requestRouteToHost(ConnectivityManager.TYPE_MOBILE_HIPRI, ipAddress);

This is working fine. My app can connect to the URL specified in the ipAddress. My app can send requests, and receive responses. However, the connection gets disconnected after about a minute. Is there a way to have HIPRI connection for longer time?

To make a short story long,  I see the following in the log:
D/ConnectivityService( 1640): ignoring as dup is found stopUsingNetworkFeature for net 5: enableHIPRI by 9683/10033(expire - created 60026 mSec ago)

I took a look at the source and I see that in ConnectivityService.java, in the implementation of requestRouteToHost method, it calls:

      mHandler.sendMessageDelayed (mHandler.obtainMessage (NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, f), getRestoreDefaultNetworkDelay());

And I see that getRestoreDefaultNetworkDelay is returning 60000. So, I know why my app is getting disconnected after about a minute.
My question is, how can I have HIPRI connection for a longer period -at least 30 minutes?

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