Example usage for android.location GpsStatus getSatellites

Introduction

In this page you can find the example usage for android.location GpsStatus getSatellites.

Prototype

public Iterable<GpsSatellite> getSatellites() 

Source Link

Document

Returns an array of GpsSatellite objects, which represent the current state of the GPS engine.

Usage

From source file:com.esri.cordova.geolocation.utils.JSONHelper.java

/**
 * Converts GpsStatus into JSON.//from w  w  w .j  av a2  s .c om
 * @param gpsStatus Send a GpsStatus whenever the GPS fires
 * @return JSON representation of the satellite data
 */
public static String satelliteDataJSON(GpsStatus gpsStatus) {

    final Calendar calendar = Calendar.getInstance();
    final JSONObject json = new JSONObject();

    try {
        json.put("provider", SATELLITE_PROVIDER);
        json.put("timestamp", calendar.getTimeInMillis());

        if (gpsStatus.getSatellites() != null) {
            int count = 0;
            final int timeToFirstFix = gpsStatus.getTimeToFirstFix();

            for (GpsSatellite sat : gpsStatus.getSatellites()) {
                final JSONObject satelliteInfo = new JSONObject();

                satelliteInfo.put("PRN", sat.getPrn());
                satelliteInfo.put("timeToFirstFix", timeToFirstFix);
                satelliteInfo.put("usedInFix", sat.usedInFix());
                satelliteInfo.put("azimuth", sat.getAzimuth());
                satelliteInfo.put("elevation", sat.getElevation());
                satelliteInfo.put("hasEphemeris", sat.hasEphemeris());
                satelliteInfo.put("hasAlmanac", sat.hasAlmanac());
                satelliteInfo.put("SNR", sat.getSnr());

                json.put(Integer.toString(count), satelliteInfo);

                count++;
            }
        }
    } catch (JSONException exc) {
        logJSONException(exc);
    }

    return json.toString();
}

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From source file:com.vonglasow.michael.satstat.PasvLocListenerService.java

@Override
public void onGpsStatusChanged(int event) {
    GpsStatus status = mLocationManager.getGpsStatus(null);
    int satsUsed = 0;
    Iterable<GpsSatellite> sats = status.getSatellites();
    for (GpsSatellite sat : sats) {
        if (sat.usedInFix()) {
            satsUsed++;/*from   w  w  w. j a va  2 s . c o m*/
        }
    }
    if (satsUsed == 0) {
        if (mStatus != GPS_INACTIVE)
            mStatus = GPS_SEARCH;
        showStatusNoLocation();
    }
}

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From source file:org.mozilla.mozstumbler.service.stumblerthread.scanners.GPSScanner.java

private void startActiveMode() {
    LocationManager lm = getLocationManager();
    if (!isGpsAvailable(lm)) {
        return;/*from www .  ja  v a 2  s. co m*/
    }

    lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, ACTIVE_MODE_GPS_MIN_UPDATE_TIME_MS,
            ACTIVE_MODE_GPS_MIN_UPDATE_DISTANCE_M, this);

    reportLocationLost();

    mGPSListener = new GpsStatus.Listener() {
        public void onGpsStatusChanged(int event) {
            if (event == GpsStatus.GPS_EVENT_SATELLITE_STATUS) {
                GpsStatus status = getLocationManager().getGpsStatus(null);
                Iterable<GpsSatellite> sats = status.getSatellites();

                int satellites = 0;
                int fixes = 0;

                for (GpsSatellite sat : sats) {
                    satellites++;
                    if (sat.usedInFix()) {
                        fixes++;
                    }
                }

                if (fixes < MIN_SAT_USED_IN_FIX) {
                    reportLocationLost();
                }
            } else if (event == GpsStatus.GPS_EVENT_STOPPED) {
                reportLocationLost();
            }
        }
    };

    lm.addGpsStatusListener(mGPSListener);
}

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From source file:com.vonglasow.michael.satstat.PasvLocListenerService.java

@Override
public void onLocationChanged(Location location) {
    if (!location.getProvider().equals(LocationManager.GPS_PROVIDER))
        return;/*from   w  w w.j a v  a2s .  c o m*/
    if (mNotifyFix && (mStatus != GPS_INACTIVE)) {
        mStatus = GPS_FIX;
        GpsStatus status = mLocationManager.getGpsStatus(null);
        int satsInView = 0;
        int satsUsed = 0;
        Iterable<GpsSatellite> sats = status.getSatellites();
        for (GpsSatellite sat : sats) {
            satsInView++;
            if (sat.usedInFix()) {
                satsUsed++;
            }
        }
        double lat = Math.abs(location.getLatitude());
        double lon = Math.abs(location.getLongitude());
        String ns = (location.getLatitude() > 0) ? getString(R.string.value_N)
                : (location.getLatitude() < 0) ? getString(R.string.value_S) : "";
        String ew = (location.getLongitude() > 0) ? getString(R.string.value_E)
                : (location.getLongitude() < 0) ? getString(R.string.value_W) : "";
        String title = String.format("%.5f%s%s %.5f%s%s", lat, getString(R.string.unit_degree), ns, lon,
                getString(R.string.unit_degree), ew);
        String text = "";
        if (location.hasAltitude()) {
            text = text + String.format("%.0f%s", location.getAltitude(), getString(R.string.unit_meter));
        }
        if (location.hasSpeed()) {
            text = text + (text.equals("") ? "" : ", ")
                    + String.format("%.0f%s", (location.getSpeed() * 3.6), getString(R.string.unit_km_h));
        }
        if (location.hasAccuracy()) {
            text = text + (text.equals("") ? "" : ", ")
                    + String.format("\u03b5 = %.0f%s", location.getAccuracy(), getString(R.string.unit_meter));
        }
        text = text + (text.equals("") ? "" : ", ") + String.format("%d/%d", satsUsed, satsInView);
        text = text + (text.equals("") ? "" : ",\n")
                + String.format("TTFF %d s", status.getTimeToFirstFix() / 1000);
        mBuilder.setSmallIcon(R.drawable.ic_stat_notify_location);
        mBuilder.setContentTitle(title);
        mBuilder.setContentText(text);
        mBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(text));

        startForeground(ONGOING_NOTIFICATION, mBuilder.build());
    } else {
        stopForeground(true);
    }
}

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From source file:com.tritop.androsense2.fragments.GpsFragment.java

@Override
public void onGpsStatusChanged(int arg0) {
    long triggerTime = System.currentTimeMillis();
    int gpsSatellitesCount = 0;
    int glonassSatellitesCount = 0;
    HashMap<String, String> mSatInfo;
    itemListGps.clear();//from w  w w.  java  2 s  .  c o m
    itemListGlonass.clear();
    GpsStatus gpsStatus = mLocationManager.getGpsStatus(null);
    Iterable<GpsSatellite> gpsSats = gpsStatus.getSatellites();
    for (GpsSatellite sat : gpsSats) {
        if (sat.getPrn() <= 32) {
            gpsSatellitesCount++;
            mSatInfo = new HashMap<String, String>();
            mSatInfo.put(SAT_PNR_KEY, String.valueOf(sat.getPrn()));
            String usedinfix = (sat.usedInFix()) ? "TRUE" : "FALSE";
            mSatInfo.put(SAT_FIX_KEY, usedinfix);
            itemListGps.add(mSatInfo);
        } else {
            glonassSatellitesCount++;
            mSatInfo = new HashMap<String, String>();
            mSatInfo.put(SAT_PNR_KEY, String.valueOf(sat.getPrn()));
            String usedinfix = (sat.usedInFix()) ? "TRUE" : "FALSE";
            mSatInfo.put(SAT_FIX_KEY, usedinfix);
            itemListGlonass.add(mSatInfo);
        }
    }
    if (isLogging && mGpsLog != null) {
        try {
            mGpsLog.logEvent(triggerTime, gpsSatellitesCount + glonassSatellitesCount, gpsSats, mLatitude,
                    mLongitude, mAltitude, mAccuracy);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    satView.setSatellites(gpsSats);
    mGpsListAdapter.notifyDataSetChanged();
    mGlonassListAdapter.notifyDataSetChanged();
    satView.invalidate();
}

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From source file:org.destil.gpsaveraging.MainActivity.java

@SuppressWarnings("unused")
@Override/*from   w ww .jav  a 2s .c  om*/
public void onGpsStatusChanged(int status) {
    if (status == GpsStatus.GPS_EVENT_FIRST_FIX) {
        DisplayCoordsNoAveraging();
    } else if (status == GpsStatus.GPS_EVENT_SATELLITE_STATUS) {
        GpsStatus gpsStatus = locationManager.getGpsStatus(null);
        int all = 0;
        Iterable<GpsSatellite> satellites = gpsStatus.getSatellites();
        for (GpsSatellite satellite : satellites) {
            all++;
        }
        uiSatellites.setText(getString(R.string.satellites_info, all));
    } else if (status == GpsStatus.GPS_EVENT_STOPPED) {
        showError(R.string.gps_not_available);
    }
}

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From source file:com.alexandreroman.nrelay.NmeaRelayService.java

@Override
public void onGpsStatusChanged(int event) {
    if (GpsStatus.GPS_EVENT_STARTED == event) {
        Log.i(TAG, "GPS started");
    } else if (GpsStatus.GPS_EVENT_STOPPED == event) {
        Log.i(TAG, "GPS stopped");
    } else if (GpsStatus.GPS_EVENT_FIRST_FIX == event) {
        Log.i(TAG, "GPS first fix");
    } else if (GpsStatus.GPS_EVENT_SATELLITE_STATUS == event) {
        if (locationManager != null) {
            final GpsStatus s = locationManager.getGpsStatus(null);
            context.satellitesInUse = 0;
            context.satellitesInView = 0;
            for (final GpsSatellite sat : s.getSatellites()) {
                if (sat.usedInFix()) {
                    context.satellitesInUse += 1;
                }/*from w  w w  . j a v a  2  s  . co m*/
                context.satellitesInView += 1;
            }
            if (BuildConfig.DEBUG) {
                Log.v(TAG, "GPS satellite status: " + context.satellitesInUse + " satellite(s) used in fix");
            }
            fireNmeaRelayContextChanged();
        }
    }
}

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From source file:com.android.gpstest.GpsStatusFragment.java

private void updateStatus(GpsStatus status) {

    setStarted(true);//from w w  w. j  ava2s .c o  m
    // update the fix time regularly, since it is displaying relative time
    updateFixTime();

    Iterator<GpsSatellite> satellites = status.getSatellites().iterator();

    if (mPrns == null) {
        int length = status.getMaxSatellites();
        mPrns = new int[length];
        mSnrs = new float[length];
        mSvElevations = new float[length];
        mSvAzimuths = new float[length];
    }

    mSvCount = 0;
    mEphemerisMask = 0;
    mAlmanacMask = 0;
    mUsedInFixMask = 0;
    while (satellites.hasNext()) {
        GpsSatellite satellite = satellites.next();
        int prn = satellite.getPrn();
        int prnBit = (1 << (prn - 1));
        mPrns[mSvCount] = prn;
        mSnrs[mSvCount] = satellite.getSnr();
        mSvElevations[mSvCount] = satellite.getElevation();
        mSvAzimuths[mSvCount] = satellite.getAzimuth();
        if (satellite.hasEphemeris()) {
            mEphemerisMask |= prnBit;
        }
        if (satellite.hasAlmanac()) {
            mAlmanacMask |= prnBit;
        }
        if (satellite.usedInFix()) {
            mUsedInFixMask |= prnBit;
        }
        mSvCount++;
    }

    mAdapter.notifyDataSetChanged();
}

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From source file:uk.ac.horizon.ubihelper.service.channel.GpsStatusChannel.java

public void onGpsStatusChanged(int type) {
    if (location != null) {
        GpsStatus status = location.getGpsStatus(null);
        JSONObject value = new JSONObject();
        try {/* ww w.ja  va  2s  .  c  o  m*/
            // event time is in nanoseconds
            value.put("timestamp", System.currentTimeMillis());
            value.put("status", type);
            value.put("maxSatellites", status.getMaxSatellites());
            value.put("timeToFirstFix", status.getTimeToFirstFix());
            JSONArray sats = new JSONArray();
            value.put("satellites", sats);
            for (GpsSatellite satellite : status.getSatellites()) {
                JSONObject s = new JSONObject();
                s.put("used", satellite.usedInFix());
                s.put("azimuth", satellite.getAzimuth());
                s.put("elevation", satellite.getElevation());
                s.put("prn", satellite.getPrn());
                s.put("snr", satellite.getSnr());
                sats.put(s);
            }
            onNewValue(value);

        } catch (JSONException e) {
            /* ignore */
        }
    }
}

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From source file:biz.bokhorst.bpt.BPTService.java

@Override
public void onGpsStatusChanged(int event) {
    if (locating)
        if (event == GpsStatus.GPS_EVENT_SATELLITE_STATUS) {
            if (locationManager != null) {
                GpsStatus status = locationManager.getGpsStatus(null);
                if (status != null) {
                    int fix = 0;
                    int count = 0;
                    Iterable<GpsSatellite> sats = status.getSatellites();
                    Iterator<GpsSatellite> satI = sats.iterator();
                    while (satI.hasNext()) {
                        GpsSatellite gpssatellite = satI.next();
                        count++;//  w w w.  ja v a2s  .c  om
                        if (gpssatellite.usedInFix())
                            fix++;
                    }
                    sendSatellites(fix, count);
                }
            }

        } else {
            if (event == GpsStatus.GPS_EVENT_FIRST_FIX)
                sendStatus(getString(R.string.GpsFix));
            else if (event == GpsStatus.GPS_EVENT_STARTED)
                sendStatus(getString(R.string.GpsStarted));
            else if (event == GpsStatus.GPS_EVENT_STOPPED)
                sendStatus(getString(R.string.GpsStopped));
            else
                sendStatus(String.format("Event %d", event));
        }
}

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