Android: How to reset and download A-GPS data?

Question

How can I programmatically reset and download new A-GPS data in an Android application? In other words, how do the \"Manage A-GPS state\" tools work in the GPS Status &

Answer 1

So far, the best answer to my question seems to be a combination of @Geobits' response and the XTRA injection code discussed in Problems with sendExtraCommand and force_xtra_injection. Based on this, I am currently using the following:

locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
locationManager.sendExtraCommand(LocationManager.GPS_PROVIDER,"delete_aiding_data", null);
Bundle bundle = new Bundle();
locationManager.sendExtraCommand("gps", "force_xtra_injection", bundle);
locationManager.sendExtraCommand("gps", "force_time_injection", bundle);

If anyone has additional ideas on how to improve this, or how to determine the best times to clear and download new GPS data, I would be very interested to hear.