Example usage for android.location Criteria ACCURACY_COARSE

List of usage examples for android.location Criteria ACCURACY_COARSE

Introduction

In this page you can find the example usage for android.location Criteria ACCURACY_COARSE.

Prototype

int ACCURACY_COARSE

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Document

A constant indicating an approximate accuracy requirement

Usage

From source file:pandroid.agent.PandroidAgentListener.java

private void gpsLocation() {
    // Starts with GPS, if no GPS then gets network location
    //       //from   w  w w . ja  va2s.  com
    LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    List<String> providers = lm.getProviders(true);
    Log.d("PANDROID providers count", "" + providers.size());

    /* Loop over the array backwards, and if you get an accurate location, then break out the loop*/
    Location loc = null;

    for (int i = providers.size() - 1; i >= 0; i--) {
        Log.d("PANDROID providers", providers.get(i));
        loc = lm.getLastKnownLocation(providers.get(i));
        if (loc != null)
            break;
    }

    if (loc != null) {
        Log.d("PANDROID", "loc != null");
        //if(latitude != loc.getLatitude() || longitude != loc.getLongitude()) {
        lastGpsContactDateTime = getHumanDateTime(-1);
        //`}
        Log.d("LATITUDE", Double.valueOf(loc.getLatitude()).toString());
        Log.d("LONGITUDE", Double.valueOf(loc.getLongitude()).toString());
        putSharedData("PANDROID_DATA", "latitude", Double.valueOf(loc.getLatitude()).toString(), "float");
        putSharedData("PANDROID_DATA", "longitude", Double.valueOf(loc.getLongitude()).toString(), "float");
    }
    Criteria criteria = new Criteria();
    criteria.setAccuracy(Criteria.ACCURACY_COARSE);
    criteria.setPowerRequirement(Criteria.POWER_LOW);
    criteria.setAltitudeRequired(false);
    criteria.setBearingRequired(false);
    criteria.setCostAllowed(true);
    String bestProvider = lm.getBestProvider(criteria, true);

    // If not provider found, abort GPS retrieving
    if (bestProvider == null) {
        Log.e("LOCATION", "No location provider found!");
        return;
    }

    lm.requestLocationUpdates(bestProvider, Core.interval, 15, new LocationListener() {
        public void onLocationChanged(Location location) {
            Log.d("Best latitude", Double.valueOf(location.getLatitude()).toString());
            putSharedData("PANDROID_DATA", "latitude", Double.valueOf(location.getLatitude()).toString(),
                    "float");
            Log.d("Best longitude", Double.valueOf(location.getLongitude()).toString());
            putSharedData("PANDROID_DATA", "longitude", Double.valueOf(location.getLongitude()).toString(),
                    "float");
        }

        public void onStatusChanged(String s, int i, Bundle bundle) {

        }

        public void onProviderEnabled(String s) {
            // try switching to a different provider
        }

        public void onProviderDisabled(String s) {
            putSharedData("PANDROID_DATA", "enabled_location_provider", "disabled", "string");
        }
    });
    //}

}

From source file:com.moodmap.HomeActivity.java

private void registerLocationListeners() {
    mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

    if (mLocationListener_Fine == null) {
        mLocationListener_Fine = new LocationListener() {
            // LocationListener
            @Override/*  w  ww .j a  v a 2 s  .c  o  m*/
            public void onLocationChanged(Location location) {

                float currentLocationAccuracy = location.getAccuracy();

                myLocationFixCnt_Fine++;
                if ((myLocationFixCnt_Fine >= Constants.kMaxGpsFixCnt)
                        || ((location.hasAccuracy()) && (currentLocationAccuracy <= 60.0))) // tighter,
                                                                                                                                                   // slower
                                                                                                                                                   // location
                {
                    // stop the fine location service
                    mLocationManager.removeUpdates(this);

                    // also stop the coarse location updates, if for some
                    // reason it has not resolved yet
                    if (mLocationListener_Coarse != null) {
                        mLocationManager.removeUpdates(mLocationListener_Coarse);
                    }
                }
                updateMyLocation(location);
            }

            @Override
            public void onProviderDisabled(String provider) {
                Log.v(Constants.LOGTAG, "Fine Provider Disabled: " + provider);
            }

            @Override
            public void onProviderEnabled(String provider) {
                Log.v(Constants.LOGTAG, "Fine Provider Enabled: " + provider);
            }

            @Override
            public void onStatusChanged(String provider, int status, Bundle extras) {
                myStatusChangeCnt_Fine++;
                if ((status == LocationProvider.OUT_OF_SERVICE))
                // not sure if needed (myStatusChangeCnt_Fine >=
                // Constants.kMaxGpsFixCnt))
                {
                    // if cannot resolve the location, do not leave the gps
                    // running
                    mLocationManager.removeUpdates(mLocationListener_Fine);
                }
                Log.v(Constants.LOGTAG, "Fine Provider Status Change (OVER): " + provider + " status:" + status
                        + " myStatusChangeCnt_Fine:" + myStatusChangeCnt_Fine);

                // LocationProvider.OUT_OF_SERVICE
            }
        };
    }

    if (mLocationListener_Coarse == null) {
        mLocationListener_Coarse = new LocationListener() {
            // LocationListener
            @Override
            public void onLocationChanged(Location location) {

                float currentLocationAccuracy = location.getAccuracy();

                myLocationFixCnt_Coarse++;
                if ((myLocationFixCnt_Coarse >= Constants.kMaxGpsFixCnt)
                        || ((location.hasAccuracy()) && (currentLocationAccuracy <= 1000.0))) // quick,
                                                                                                                                                       // rough
                                                                                                                                                       // location
                {
                    // stop the coarse location service
                    mLocationManager.removeUpdates(this);
                }
                updateMyLocation(location);
            }

            @Override
            public void onProviderDisabled(String provider) {
                Log.v(Constants.LOGTAG, "Provider Disabled: " + provider);
            }

            @Override
            public void onProviderEnabled(String provider) {
                Log.v(Constants.LOGTAG, "Provider Enabled: " + provider);
            }

            @Override
            public void onStatusChanged(String provider, int status, Bundle extras) {
                Log.v(Constants.LOGTAG, "Provider Status Change: " + provider + " status:" + status);
                // LocationProvider.OUT_OF_SERVICE
            }
        };
    }

    // still in registerLocationListeners
    //
    String provider = null;
    Criteria crta = new Criteria();
    crta.setAccuracy(Criteria.ACCURACY_FINE);
    crta.setAltitudeRequired(false);
    crta.setBearingRequired(false);
    crta.setCostAllowed(false); // Indicates whether the provider is allowed
                                // to incur monetary cost.
                                // crta.setPowerRequirement(Criteria.POWER_MEDIUM); // POWER_LOW);
    provider = mLocationManager.getBestProvider(crta, true);
    // provider = LocationManager.NETWORK_PROVIDER;

    // get the last, possibly very wrong location
    currentLocation = mLocationManager.getLastKnownLocation(provider);
    // updateMyLocation(location);

    // minTime (2nd) the minimum time interval for notifications, in
    // milliseconds. This field is only used as a hint to conserve power,
    // and actual time between location updates may be greater or lesser
    // than this value.
    // minDistance (3rd)the minimum distance interval for notifications, in
    // meters
    // should be ~ 10000, 100
    // mLocationManager.requestLocationUpdates(provider, 3000, 50,
    // mLocationListener_Fine);
    mLocationManager.requestLocationUpdates(provider, 3000, 0, mLocationListener_Fine);

    // Add second quick location provider
    Criteria coarse = new Criteria();
    coarse.setAccuracy(Criteria.ACCURACY_COARSE);
    coarse.setAltitudeRequired(false);
    coarse.setBearingRequired(false);
    // coarse.setCostAllowed(false);
    // crta.setPowerRequirement(Criteria.POWER_MEDIUM); // POWER_LOW);
    String coarseProvider = mLocationManager.getBestProvider(coarse, true);
    if ((provider != null) && (!provider.contentEquals(coarseProvider))) {
        // only add coarse location resolution if DIFFERENT than the fine
        // location provider
        mLocationManager.requestLocationUpdates(coarseProvider, 1000, 1000, mLocationListener_Coarse);
    }
}

From source file:com.example.angel.parkpanda.MainActivity.java

public Location moveMyPosCamera() {

    LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    if (ActivityCompat.checkSelfPermission(this,
            Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
            && ActivityCompat.checkSelfPermission(this,
                    Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        return null;
    }/* ww  w.  ja va2  s  .co  m*/
    Location myLocation = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);

    if (myLocation == null) {
        Criteria criteria = new Criteria();
        criteria.setAccuracy(Criteria.ACCURACY_COARSE);
        String provider = lm.getBestProvider(criteria, true);
        myLocation = lm.getLastKnownLocation(provider);
    }
    return myLocation;
}