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copied!<p>I am not sure if "garbage collected" is the right term here. It is more likely that your activity simply gets closed by Android, because you create the connection in an Activity.</p> <p>But you are right, in order to keep a stable connection you need to put the XMPP connection into a <a href="http://developer.android.com/reference/android/app/Service.html">Service</a>. But make sure that the connection is in an extra thread, because a service for itself is not a extra process or thread. This could be done, for example with an <a href="http://developer.android.com/reference/android/os/Handler.html">Handler</a>.</p> <pre><code>HandlerThread thread = new HandlerThread(SERVICE_THREAD_NAME); thread.start(); handlerThreadId = thread.getId(); serviceLooper = thread.getLooper(); serviceHandler = new ServiceHandler(serviceLooper); </code></pre> <p>Then you can communicate with the Service Thread via messages/intents. Another alternative would be a <a href="http://developer.android.com/reference/android/os/IBinder.html">Binder</a> interface.</p> <p>You could also have a look on how others do this: <a href="http://www.beem-project.com/projects/beem/repository">Beem</a> and <a href="http://code.google.com/p/gtalksms/source/browse/">GTalkSMS</a> are both open source projects that implement an XMPP connection with an Android service. GTalkSMS uses the <a href="http://code.google.com/p/gtalksms/source/browse/src/com/googlecode/gtalksms/MainService.java#115">IntentService approach</a>, whereas Beem uses an <a href="http://www.beem-project.com/projects/beem/repository/entry/src/com/beem/project/beem/service/aidl/IXmppConnection.aidl">Binder</a> to communicate with the XmppConnection.</p> <p>Note that we achive a pretty stable connection with GTalkSMS, but it's never so good as the stock GTalk Service/Client. One reason is that smacks default keep-alive check timer is 5 minutes, which is way to often for a mobile device when you want to save as much battery as possible. So I had to set it to a higher value, which comes with some drawbacks. You will always have a trade-off between a fast, responsive and stable connection vs. battery life when it comes to this.</p>

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