Example usage for android.location Location getAccuracy

Introduction

In this page you can find the example usage for android.location Location getAccuracy.

Prototype

public float getAccuracy() 

Source Link

Document

Get the estimated horizontal accuracy of this location, radial, in meters.

Usage

From source file:com.google.android.apps.location.gps.gnsslogger.FileLogger.java

@Override
public void onLocationChanged(Location location) {
    if (location.getProvider().equals(LocationManager.GPS_PROVIDER)) {
        synchronized (mFileLock) {
            if (mFileWriter == null) {
                return;
            }//from  w w w. j  a va  2s  .  c  om
            String locationStream = String.format(Locale.US, "Fix,%s,%f,%f,%f,%f,%f,%d", location.getProvider(),
                    location.getLatitude(), location.getLongitude(), location.getAltitude(),
                    location.getSpeed(), location.getAccuracy(), location.getTime());
            try {
                mFileWriter.write(locationStream);
                mFileWriter.newLine();
            } catch (IOException e) {
                logException(ERROR_WRITING_FILE, e);
            }
        }
    }
}

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From source file:digital.dispatch.TaxiLimoNewUI.GCM.GCMIntentService.java

private Location getBestLocation() {
    Location gpsLocation = getLocationByProvider(LocationManager.GPS_PROVIDER);
    Location networkLocation = getLocationByProvider(LocationManager.NETWORK_PROVIDER);
    Location tmpLocation;//from   www.ja v a  2s.c  o m

    if (gpsLocation == null) {
        Logger.v(TAG, "No GPS Location available.");
        return networkLocation;
    }

    if (networkLocation == null) {
        Logger.v(TAG, "No Network Location available");
        return gpsLocation;
    }

    Logger.v(TAG, "GPS location:");
    Logger.v(TAG, " accurate=" + gpsLocation.getAccuracy() + " time=" + gpsLocation.getTime());
    Logger.v(TAG, "Netowrk location:");
    Logger.v(TAG, " accurate=" + networkLocation.getAccuracy() + " time=" + networkLocation.getTime());

    if (gpsLocation.getAccuracy() < networkLocation.getAccuracy()) {
        Logger.v(TAG, "use GPS location");
        tmpLocation = gpsLocation;

    } else {
        Logger.v(TAG, "use networkLocation");
        tmpLocation = networkLocation;
    }
    return tmpLocation;

}

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From source file:org.koboc.collect.android.activities.GeoPointMapActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    if (savedInstanceState != null) {
        mLocationCount = savedInstanceState.getInt(LOCATION_COUNT);
    }/* w w  w  . j  ava  2  s .c o  m*/

    requestWindowFeature(Window.FEATURE_NO_TITLE);

    try {
        setContentView(R.layout.geopoint_layout);
    } catch (NoClassDefFoundError e) {
        e.printStackTrace();
        Toast.makeText(getBaseContext(), getString(R.string.google_play_services_error_occured),
                Toast.LENGTH_SHORT).show();
        finish();
        return;
    }

    Intent intent = getIntent();

    mLocationAccuracy = GeoPointWidget.DEFAULT_LOCATION_ACCURACY;
    if (intent != null && intent.getExtras() != null) {
        if (intent.hasExtra(GeoPointWidget.LOCATION)) {
            double[] location = intent.getDoubleArrayExtra(GeoPointWidget.LOCATION);
            mLatLng = new LatLng(location[0], location[1]);
        }
        if (intent.hasExtra(GeoPointWidget.ACCURACY_THRESHOLD)) {
            mLocationAccuracy = intent.getDoubleExtra(GeoPointWidget.ACCURACY_THRESHOLD,
                    GeoPointWidget.DEFAULT_LOCATION_ACCURACY);
        }
        mCaptureLocation = !intent.getBooleanExtra(GeoPointWidget.READ_ONLY, false);
        mRefreshLocation = mCaptureLocation;
    }

    /* Set up the map and the marker */
    mMarkerOption = new MarkerOptions();

    mLocationStatus = (TextView) findViewById(R.id.location_status);

    /*Zoom only if there's a previous location*/
    if (mLatLng != null) {
        mLocationStatus.setVisibility(View.GONE);
        mMarkerOption.position(mLatLng);
        mRefreshLocation = false; // just show this position; don't change it...
        mZoomed = true;
    }

    mCancelLocation = (Button) findViewById(R.id.cancel_location);
    mCancelLocation.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            Collect.getInstance().getActivityLogger().logInstanceAction(this, "cancelLocation", "cancel");
            finish();
        }
    });

    mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

    // make sure we have a good location provider before continuing
    List<String> providers = mLocationManager.getProviders(true);
    for (String provider : providers) {
        if (provider.equalsIgnoreCase(LocationManager.GPS_PROVIDER)) {
            mGPSOn = true;
        }
        if (provider.equalsIgnoreCase(LocationManager.NETWORK_PROVIDER)) {
            mNetworkOn = true;
        }
    }
    if (!mGPSOn && !mNetworkOn) {
        Toast.makeText(getBaseContext(), getString(R.string.provider_disabled_error), Toast.LENGTH_SHORT)
                .show();
        finish();
    }

    if (mGPSOn) {
        Location loc = mLocationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
        if (loc != null) {
            InfoLogger.geolog("GeoPointMapActivity: " + System.currentTimeMillis()
                    + " lastKnownLocation(GPS) lat: " + loc.getLatitude() + " long: " + loc.getLongitude()
                    + " acc: " + loc.getAccuracy());
        } else {
            InfoLogger.geolog("GeoPointMapActivity: " + System.currentTimeMillis()
                    + " lastKnownLocation(GPS) null location");
        }
    }

    if (mNetworkOn) {
        Location loc = mLocationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
        if (loc != null) {
            InfoLogger.geolog("GeoPointMapActivity: " + System.currentTimeMillis()
                    + " lastKnownLocation(Network) lat: " + loc.getLatitude() + " long: " + loc.getLongitude()
                    + " acc: " + loc.getAccuracy());
        } else {
            InfoLogger.geolog("GeoPointMapActivity: " + System.currentTimeMillis()
                    + " lastKnownLocation(Network) null location");
        }
    }

    mAcceptLocation = (Button) findViewById(R.id.accept_location);
    if (mCaptureLocation) {
        mAcceptLocation.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                Collect.getInstance().getActivityLogger().logInstanceAction(this, "acceptLocation", "OK");
                returnLocation();
            }
        });
    } else {
        mAcceptLocation.setVisibility(View.GONE);
    }

    mReloadLocation = (Button) findViewById(R.id.reload_location);
    if (mCaptureLocation) {
        mReloadLocation.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                mRefreshLocation = true;
                mReloadLocation.setVisibility(View.GONE);
                mLocationStatus.setVisibility(View.VISIBLE);
                if (mGPSOn) {
                    mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0,
                            GeoPointMapActivity.this);
                }
                if (mNetworkOn) {
                    mLocationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0,
                            GeoPointMapActivity.this);
                }
            }

        });
        mReloadLocation.setVisibility(!mRefreshLocation ? View.VISIBLE : View.GONE);
    } else {
        mReloadLocation.setVisibility(View.GONE);
    }

    // Focuses on marked location
    mShowLocation = ((Button) findViewById(R.id.show_location));
    mShowLocation.setVisibility(View.VISIBLE);
    mShowLocation.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            Collect.getInstance().getActivityLogger().logInstanceAction(this, "showLocation", "onClick");
            mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(mLatLng, 16));
        }
    });

    // not clickable until we have a marker set....
    mShowLocation.setClickable(false);
}

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From source file:com.tagaugmentedreality.utilties.LocationRetriever.java

@SuppressLint("NewApi")
@Override//from ww w .  j  av a 2s.  c  o  m
public void onLocationChanged(Location mCurrentLocation) {
    // TODO Auto-generated method stub
    latitude = mCurrentLocation.getLatitude();
    longitude = mCurrentLocation.getLongitude();

    //Toast.makeText(this.context,"updated "+latitude.toString()+" "+longitude.toString()+" "+mCurrentLocation.getAccuracy(), 1000).show();
    Log.e("updated", latitude.toString() + " " + longitude.toString() + " " + mCurrentLocation.getProvider()
            + " " + mCurrentLocation.getAccuracy());

    int numberOfInstaces = listenerInstance.size(), k = 0;
    for (k = 0; k < numberOfInstaces; k++) {
        if (instanceIdentifier.get(k).equalsIgnoreCase("TL")) {//the tags list has been downloaded, so send it to the TagsList class

            Log.e("tagAR", "TL");
            listenerInstance.get(k).latitudeLongitudeReady(latitude, longitude);
        } //end if
        else {
            Log.e("tagAR ", "not TL");
        } //end else
    } //end for

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        new GetAddressTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
    } //end if
    else {
        new GetAddressTask().execute();
    } //end else

}

---

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

private void sendLocation(Location location) {
    Bundle b = new Bundle();
    b.putDouble("Latitude", location.getLatitude());
    b.putDouble("Longitude", location.getLongitude());
    b.putDouble("Altitude", location.getAltitude());
    b.putFloat("Speed", location.getSpeed());
    b.putFloat("Accuracy", location.getAccuracy());
    b.putString("Provider", location.getProvider());
    b.putLong("Time", location.getTime());
    sendMessage(BackPackTrack.MSG_LOCATION, b);
}

---

From source file:com.waz.zclient.pages.main.conversation.LocationFragment.java

@Override
public void onLocationChanged(Location location) {
    Timber.i("onLocationChanged, lat=%f, lon=%f, accuracy=%f, distanceToCurrent=%f", location.getLatitude(),
            location.getLongitude(), location.getAccuracy(),
            (currentLocation == null) ? 0 : location.distanceTo(currentLocation));

    float distanceFromCenterOfScreen = Float.MAX_VALUE;
    if (currentLatLng != null) {
        float[] distance = new float[1];
        Location.distanceBetween(currentLatLng.latitude, currentLatLng.longitude, location.getLatitude(),
                location.getLongitude(), distance);
        distanceFromCenterOfScreen = distance[0];
        Timber.i("current location distance from map center %f", distance[0]);
    }//from ww  w  .  ja  v a2 s  .co  m

    currentLocation = location;
    if (map != null) {
        map.clear();
        LatLng position = new LatLng(location.getLatitude(), location.getLongitude());
        map.addMarker(new MarkerOptions().position(position)
                .icon(BitmapDescriptorFactory.fromBitmap(getMarker())).anchor(0.5f, 0.5f));
        if (animateTocurrentLocation && distanceFromCenterOfScreen > DEFAULT_MIMIMUM_CAMERA_MOVEMENT) {
            if (zoom || animating) {
                map.animateCamera(CameraUpdateFactory.newLatLngZoom(
                        new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude()),
                        DEFAULT_MAP_ZOOM_LEVEL));
                animating = true;
                zoom = false;
            } else {
                map.animateCamera(CameraUpdateFactory
                        .newLatLng(new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude())));
            }
        }
    }
}

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From source file:org.akvo.rsr.up.UpdateEditorActivity.java

/**
 * called by the system when it gets location updates.
 *///w w  w  . j  a  v  a2 s.c o m
public void onLocationChanged(Location location) {
    float currentAccuracy = location.getAccuracy();
    // if accuracy is 0 then the gps has no idea where we're at
    if (currentAccuracy > 0) {

        // If we are below the accuracy treshold, stop listening for updates.
        // This means that after the geolocation is 'green', it stays the same,
        // otherwise it keeps on listening
        if (currentAccuracy <= ACCURACY_THRESHOLD) {
            LocationManager locMgr = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
            locMgr.removeUpdates(this);
            searchingIndicator.setText(R.string.label_gps_ready);
            gpsProgress.setVisibility(View.GONE); //hide in-progress wheel
        }

        // if the location reading is more accurate than the last, update
        // the view
        if (lastAccuracy > currentAccuracy || needUpdate) {
            lastAccuracy = currentAccuracy;
            needUpdate = false;
            populateLocation(location);
        }
    } else if (needUpdate) {
        needUpdate = true;
        populateLocation(location);
    }
}

---

From source file:com.ut3.ehg.turismotepic.Augmentedreality.java

public void aumentedreality() {

    poisdb = new rc_pois(getApplicationContext());
    poisdb.open();//from w  ww.j  a  v a  2  s  . c o m
    datos = poisdb.getPois();
    datos.moveToFirst();
    while (!datos.isAfterLast()) {
        array2.clear();
        for (int i = 0; i < 12; i++) {
            array2.add(datos.getString(i));
        }
        JSONArray conv = new JSONArray(array2);

        array.add(conv.toString());
        datos.moveToNext();
    }

    this.architectView = (ArchitectView) this.findViewById(R.id.architectView);
    final StartupConfiguration config = new StartupConfiguration(this.getWikitudeSDKLicenseKey(),
            StartupConfiguration.Features.Geo, this.getCameraPosition());
    System.out.println("el resultado de config es " + config);
    this.architectView.callJavascript("newData('" + array.toString() + "');");
    try {
        this.architectView.onCreate(config);

    } catch (RuntimeException ex) {
        this.architectView = null;
        Toast.makeText(getApplicationContext(),
                "Tu dispositivo no es compatible con las funciones de realidad aumentada.", Toast.LENGTH_SHORT)
                .show();
        finish();
    }

    this.sensorAccuracyListener = this.getSensorAccuracyListener();
    this.locationListener = new LocationListener() {

        @Override
        public void onStatusChanged(String provider, int status, Bundle extras) {
        }

        @Override
        public void onProviderEnabled(String provider) {
        }

        @Override
        public void onProviderDisabled(String provider) {
        }

        @Override
        public void onLocationChanged(final Location location) {
            // forward location updates fired by LocationProvider to architectView, you can set lat/lon from any location-strategy
            if (location != null) {
                // sore last location as member, in case it is needed somewhere (in e.g. your adjusted project)
                Augmentedreality.this.lastKnownLocaton = location;
                if (Augmentedreality.this.architectView != null) {
                    // check if location has altitude at certain accuracy level & call right architect method (the one with altitude information)
                    if (location.hasAltitude() && location.hasAccuracy() && location.getAccuracy() < 7) {
                        Augmentedreality.this.architectView.setLocation(location.getLatitude(),
                                location.getLongitude(), location.getAltitude(), location.getAccuracy());
                    } else {
                        Augmentedreality.this.architectView.setLocation(location.getLatitude(),
                                location.getLongitude(),
                                location.hasAccuracy() ? location.getAccuracy() : 1000);
                    }
                }
            }
        }
    };
    this.locationProvider = getLocationProvider(this.locationListener);
}

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From source file:org.hansel.myAlert.LocationManagement.java

protected boolean isBetterLocation(Location location, Location currentBestLocation) {
    if (currentBestLocation == null) {
        return true;
    }/*from w  ww .  ja  v  a  2s  .c om*/

    long timeDelta = location.getTime() - currentBestLocation.getTime();
    boolean isSignificantlyNewer = timeDelta > TWO_MINUTES;
    boolean isSignificantlyOlder = timeDelta < -TWO_MINUTES;
    boolean isNewer = timeDelta > 0;

    if (isSignificantlyNewer) {
        return true;
    } else if (isSignificantlyOlder) {
        return false;
    }

    int accuracyDelta = (int) (location.getAccuracy() - currentBestLocation.getAccuracy());
    boolean isLessAccurate = accuracyDelta > 0;
    boolean isMoreAccurate = accuracyDelta < 0;
    boolean isSignificantlyLessAccurate = accuracyDelta > 200;
    boolean isFromSameProvider = isSameProvider(location.getProvider(), currentBestLocation.getProvider());

    if (isMoreAccurate) {
        return true;
    } else if (isNewer && !isLessAccurate) {
        return true;
    } else if (isNewer && !isSignificantlyLessAccurate && isFromSameProvider) {
        return true;
    }
    return false;
}

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From source file:csic.ceab.movelab.beepath.FixGet.java

private void announceFix(Location location, boolean newRecord) {

    // inform the main display
    Intent intent = new Intent(
            getResources().getString(R.string.internal_message_id) + Util.MESSAGE_FIX_RECORDED);
    // Bundle bundle = new Bundle();
    intent.putExtra("lat", (float) location.getLatitude());
    intent.putExtra("lng", (float) location.getLongitude());
    intent.putExtra("acc", (float) location.getAccuracy());

    // intent.putExtras(bundle);

    sendBroadcast(intent);/*from w w w  . j  ava2 s  . c o  m*/
}

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