@Override
public void onGpsStatusChanged(final int event) {
switch (event) {
case GpsStatus.GPS_EVENT_FIRST_FIX:
case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
{
final GpsStatus status = geoManager.getGpsStatus(null);
int visible = 0;
int fixed = 0;
for (final GpsSatellite satellite : status.getSatellites()) {
if (satellite.usedInFix()) {
fixed++;
}
visible++;
}
if (visible == latest.satellitesVisible && fixed == latest.satellitesFixed) {
return;
}
latest = new Status(true, visible, fixed);
break;
}
case GpsStatus.GPS_EVENT_STARTED:
latest = new Status(true, 0, 0);
break;
case GpsStatus.GPS_EVENT_STOPPED:
latest = new Status(false, 0, 0);
break;
default:
throw new IllegalStateException();
}
subscriber.onNext(latest);
}
/**
* Tracks the current GPS status. Is called when the GPS is started, stopped, and receives
* updates.
*/
@Override
public void onGpsStatusChanged(int event) {
// Count the current number of satellites in contact with the GPS
GpsStatus status = mLocationManager.getGpsStatus(null);
int count = 0;
Iterable<GpsSatellite> sats = status.getSatellites();
for (Iterator<GpsSatellite> i = sats.iterator(); i.hasNext(); i.next()) {
count++;
}
// If there are 3 or fewer satellites that we are connected, we've
// probably lost GPS a lock
if (count < 4) gpsWorking = false;
}
public void onGpsStatusChanged(int state) {
GpsStatus gpsStatus = locationManager.getGpsStatus(null);
if (state == GpsStatus.GPS_EVENT_STOPPED) {
hasFix = false;
numSatellites = 0;
updateSolution(LocationProvider.OUT_OF_SERVICE);
} else if ((System.currentTimeMillis() - lastFixTimestamp) > 3000) {
invalidateFix();
}
if (state == GpsStatus.GPS_EVENT_STARTED) {
// FIXME do what's needed
updateSolution(LocationProvider.AVAILABLE);
}
gpsState = state;
if (state == GpsStatus.GPS_EVENT_SATELLITE_STATUS && gpsStatus != null) {
for (int j = 0; j < 36; j++) {
/** Resetting all the satellites to non locked */
if ((satellites[j] != null)) {
satellites[j].isLocked(false);
}
}
Iterable<GpsSatellite> andSatellites = gpsStatus.getSatellites();
Iterator<GpsSatellite> sat = andSatellites.iterator();
int i = 0;
while (sat.hasNext()) {
GpsSatellite satellite = sat.next();
if (satellites[i] == null) {
satellites[i] = new Satellite();
}
if (i < 36) {
satellites[i].isLocked(satellite.usedInFix());
satellites[i].id = i;
satellites[i].azimut = satellite.getAzimuth();
satellites[i].elev = satellite.getElevation();
satellites[i].snr = (int) satellite.getSnr();
if (satellite.usedInFix()) {
i++;
}
}
}
numSatellites = i;
if (numSatellites > 0) {
receiverList.receiveSatellites(satellites);
}
}
// updateSolution(state);
}
private void showSats() {
int satNum = 0;
StringBuilder builder = new StringBuilder();
for (GpsSatellite sat : gps.getSatellites()) {
builder.append("Satellite Data: ");
builder.append("\nnumber: ");
builder.append(satNum);
builder.append("\nAzimuth: ");
builder.append(sat.getAzimuth());
builder.append("\nElevation: ");
builder.append(sat.getElevation());
builder.append("\nSNR: ");
builder.append(sat.getSnr());
builder.append("\nUsed in fix?: ");
builder.append(sat.usedInFix());
log("\n\n" + builder.toString());
builder.delete(0, builder.length());
satNum++;
}
}
@Override
public void onGpsStatusChanged(int event) {
if (locationManager == null) return;
android.location.GpsStatus gpsStatus = locationManager.getGpsStatus(null);
if (gpsStatus == null) return;
int cnt0 = 0, cnt1 = 0;
Iterable<GpsSatellite> list = gpsStatus.getSatellites();
for (GpsSatellite satellite : list) {
cnt0++;
if (satellite.usedInFix()) {
cnt1++;
}
}
mKnownSatellites = cnt0;
mUsedInLastFixSatellites = cnt1;
if (listener != null) listener.onTick();
}
/////// GPS status callback
public void onGpsStatusChanged(int status) {
DataOutputStream file = fout[2];
long tim = System.currentTimeMillis();
// Get the status
GpsStatus lStatus = null;
lStatus = mLocMan.getGpsStatus(null);
if (status == GpsStatus.GPS_EVENT_FIRST_FIX) {
mLV.addtext("GPS_EVENT_FIRST_FIX - TTFX =" + lStatus.getTimeToFirstFix());
} else if (status == GpsStatus.GPS_EVENT_STARTED) {
mLV.addtext("GPS_EVENT_STARTED " + tim);
} else if (status == GpsStatus.GPS_EVENT_STOPPED) {
mLV.addtext("GPS_EVENT_STOPPED " + tim);
}
if (lStatus != null) {
if (file != null) {
try {
file.writeLong(tim);
Iterable<GpsSatellite> satlist = lStatus.getSatellites();
for (GpsSatellite sat : satlist) {
file.writeInt(sat.getPrn());
file.writeFloat(sat.getAzimuth());
file.writeFloat(sat.getElevation());
file.writeFloat(sat.getSnr());
file.writeBoolean(sat.hasAlmanac());
file.writeBoolean(sat.hasEphemeris());
file.writeBoolean(sat.usedInFix());
if (satlist.iterator().hasNext()) file.writeChar('@');
else file.writeChar('#');
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/* (non-Javadoc)
* @see android.location.GpsStatus.Listener#onGpsStatusChanged(int)
*/
@Override
public void onGpsStatusChanged(final int event) {
int satCount = -1;
switch (event) {
case GpsStatus.GPS_EVENT_FIRST_FIX:
satCount = 0;
break;
case GpsStatus.GPS_EVENT_STARTED:
satCount = -1;
break;
case GpsStatus.GPS_EVENT_STOPPED:
satCount = -1;
break;
case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
// first of all we check if the time from the last used fix to the current fix is greater
// than the logging interval
if ((event != GpsStatus.GPS_EVENT_SATELLITE_STATUS)
|| (mLastGPSTimestamp + gpsLoggingInterval) < System.currentTimeMillis()) {
mLastGPSTimestamp = System.currentTimeMillis(); // save the time of this fix
final GpsStatus status = lmgr.getGpsStatus(null);
// Count active satellites
satCount = 0;
for (@SuppressWarnings("unused") final GpsSatellite sat : status.getSatellites()) {
satCount++;
}
}
break;
default:
break;
}
if (mListener != null) {
mListener.onSatInfo(satCount);
}
}
static String gpsToString(GpsStatus status, int eventType) {
StringBuilder sb = new StringBuilder();
sb.append(eventType);
sb.append("|ttff:");
sb.append(status.getTimeToFirstFix());
sb.append("|maxSatellites:");
sb.append(status.getMaxSatellites());
sb.append("|");
int i = 0;
for (GpsSatellite sat : status.getSatellites()) {
i++;
sb.append("Satellite_");
sb.append(i);
sb.append("::hasAlmanac:");
sb.append(sat.hasAlmanac());
sb.append("::hasEphemeris:");
sb.append(sat.hasEphemeris());
sb.append("::usedInFix:");
sb.append(sat.usedInFix());
sb.append("|");
}
return sb.toString();
}
public void onGpsStatusChanged(int event) {
switch (event) {
case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
GpsStatus gpsStatus = mLocationManager.getGpsStatus(null);
int satsInView = 0;
int satsUsed = 0;
Iterable<GpsSatellite> sats = gpsStatus.getSatellites();
for (GpsSatellite sat : sats) {
satsInView++;
if (sat.usedInFix()) {
satsUsed++;
}
}
satellite.setText(String.valueOf(satsUsed) + "/" + String.valueOf(satsInView));
if (satsUsed == 0) {
fab.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_play));
data.setRunning(false);
status.setText("");
stopService(new Intent(getBaseContext(), GpsServices.class));
fab.setVisibility(View.INVISIBLE);
refresh.setVisibility(View.INVISIBLE);
accuracy.setText("");
status.setText(getResources().getString(R.string.waiting_for_fix));
firstfix = true;
}
break;
case GpsStatus.GPS_EVENT_STOPPED:
if (!mLocationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
showGpsDisabledDialog();
}
break;
case GpsStatus.GPS_EVENT_FIRST_FIX:
break;
}
}
public void onGpsStatusChanged(int event) {
switch (event) {
case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
boolean switchedAlready = switchToNetwork;
status = locationManager.getGpsStatus(status);
if (!switchToNetwork) {
int sat_counter = 0;
Iterator<GpsSatellite> it = status.getSatellites().iterator();
while (it.hasNext()) {
it.next();
sat_counter++;
}
satsAvailable = sat_counter;
if (firstFixReceived) {
// If after a firstFix was received, we get less than 3 sats
// available, we switch to network
if (satsAvailable < GPS_AVAILABLE_SATS_INTERVAL_2_NUMBER) {
switchToNetwork = true;
}
} else {
timeInterval = System.currentTimeMillis() - startTime;
if (timeInterval > GPS_AVAILABLE_SATS_INTERVAL_1) {
// Check do we have enough satellites on wait interval 1
if (satsAvailable < GPS_AVAILABLE_SATS_INTERVAL_1_NUMBER) {
switchToNetwork = true;
}
}
if (timeInterval > GPS_AVAILABLE_SATS_INTERVAL_2) {
// Check do we have enough satellites on wait interval 2
if (satsAvailable < GPS_AVAILABLE_SATS_INTERVAL_2_NUMBER) {
switchToNetwork = true;
}
}
if (timeInterval > GPS_AVAILABLE_SATS_INTERVAL_3) {
// Check do we have enough satellites on wait interval 3
if (satsAvailable < GPS_AVAILABLE_SATS_INTERVAL_3_NUMBER) {
switchToNetwork = true;
}
}
if (timeInterval > GPS_FINAL_WAIT_INTERVAL) {
// If we are unable to get the fix till now, we switch
// to network anyway
switchToNetwork = true;
}
}
}
if (!switchedAlready && switchToNetwork) {
locationManager.removeUpdates(locationListener);
if (locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER, minTime, minDistance, locationListener);
((TextView) activity.findViewById(R.id.information))
.setText(R.string.geo_message_receiving_from_network);
} else {
Toast.makeText(
activity.getApplicationContext(),
R.string.gps_failed_network_disabled,
Toast.LENGTH_LONG)
.show();
openSettings();
}
}
break;
case GpsStatus.GPS_EVENT_STARTED:
startTime = System.currentTimeMillis();
switchToNetwork = false;
firstFixReceived = false;
break;
case GpsStatus.GPS_EVENT_FIRST_FIX:
firstFixReceived = true;
break;
}
((TextView) activity.findViewById(R.id.satscount))
.setText(activity.getText(R.string.geo_text_sats_available) + ": " + satsAvailable);
((TextView) activity.findViewById(R.id.time))
.setText(
activity.getText(R.string.geo_text_wait)
+ ": "
+ Math.round(timeInterval / 1000)
+ " s");
}