In Android, what is proxy_gps_nmea_cb() used for?
<p>I called </p>

<pre><code>locationManager.requestSingleUpdate(locationManager.GPS_PROVIDER, locationListener, Looper.myLooper());
</code></pre>

<p>in a thread of </p>

<pre><code>scheduleTaskExecutor.scheduleAtFixedRate();
</code></pre>

<p>I show logcat message as below:</p>

<pre><code>02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_location_cb()
02-02 00:13:19.152: D/libgps(482): proxy_gps_sv_status_cb()
02-02 00:13:19.472: D/dalvikvm(3221): GC_CONCURRENT freed 401K, 10% free 7691K/8460K, paused 2ms+2ms, total 23ms
02-02 00:13:19.482: I/wm.cs.service(3221): count=11 location: Location[gps 37.284294,-76.723810 acc=8 et=+7m30s247ms alt=-11.550232802143439 vel=0.0 {Bundle[mParcelledData.dataSize=44]}]
02-02 00:13:20.142: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:20.142: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:20.142: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:20.142: D/libgps(482): proxy_gps_nmea_cb()
02-02 00:13:20.142: D/libgps(482): proxy_gps_nmea_cb()
... ... 
</code></pre>

<p>Does this mean that the gps is currently actively working, consuming the battery?</p>
