Example usage for android.location Criteria Criteria

Introduction

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

Prototype

public Criteria() 

Source Link

Document

Constructs a new Criteria object.

Usage

From source file:com.ushahidi.android.app.util.Util.java

/** this criteria needs high accuracy, high power, and cost */
public static Criteria createFineCriteria() {

    Criteria c = new Criteria();
    c.setAccuracy(Criteria.ACCURACY_FINE);
    c.setAltitudeRequired(false);//from  w ww.jav a 2 s  . com
    c.setBearingRequired(false);
    c.setSpeedRequired(false);
    c.setCostAllowed(true);
    c.setPowerRequirement(Criteria.POWER_HIGH);
    return c;

}

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From source file:com.keysolutions.meteorparties.PartyMapFragment.java

/**
 * Gets current location using Android's location provider
 * so you can zoom the map to it/*from   w  w  w  .  java2 s  .  com*/
 * @return last known Location
 */
@SuppressWarnings("unused")
private Location getCurrentLocation() {
    Criteria criteria = new Criteria();
    LocationManager locMan = (LocationManager) getActivity().getSystemService(Context.LOCATION_SERVICE);
    String towers = locMan.getBestProvider(criteria, false);
    Location location = locMan.getLastKnownLocation(towers);
    return location;
}

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From source file:com.alibaba.weex.extend.module.location.DefaultLocation.java

private WXLocationListener findLocation(String watchId, String sucCallback, String errorCallback,
        boolean enableHighAccuracy, boolean enableAddress) {
    //    WXLogUtils.d(TAG, "into--[findLocation] mWatchId:" + watchId + "\nsuccessCallback:" + sucCallback + "\nerrorCallback:" + errorCallback + "\nenableHighAccuracy:" + enableHighAccuracy + "\nmEnableAddress:" + enableAddress);

    if (mLocationManager == null) {
        mLocationManager = (LocationManager) mWXSDKInstance.getContext()
                .getSystemService(Context.LOCATION_SERVICE);
    }/*from   ww w.ja va  2  s. c  o  m*/
    Criteria criteria = new Criteria();
    if (enableHighAccuracy) {
        criteria.setAccuracy(Criteria.ACCURACY_COARSE);
    }
    //String provider = locationManager.getBestProvider(criteria, false);
    if (ActivityCompat.checkSelfPermission(mWXSDKInstance.getContext(),
            Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
            && ActivityCompat.checkSelfPermission(mWXSDKInstance.getContext(),
                    Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
        WXLocationListener WXLocationListener = new WXLocationListener(mLocationManager, mWXSDKInstance,
                watchId, sucCallback, errorCallback, enableAddress);
        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, MIN_TIME, MIN_DISTANCE,
                WXLocationListener);
        mLocationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, MIN_TIME, MIN_DISTANCE,
                WXLocationListener);
        return WXLocationListener;
    } else {
        Map<String, Object> options = new HashMap<>();
        options.put(ERROR_CODE, ErrorCode.NO_PERMISSION_ERROR);
        options.put(ERROR_MSG, ErrorMsg.NO_PERMISSION_ERROR);
        WXSDKManager.getInstance().callback(mWXSDKInstance.getInstanceId(), errorCallback, options);
    }
    return null;
}

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From source file:com.example.mapdemo.BasicMapDemoActivity.java

private void setGeoLocation() {
    latitude = (TextView) findViewById(R.id.lat);
    longitude = (TextView) findViewById(R.id.lon);
    altitude = (TextView) findViewById(R.id.alt);
    heading = (TextView) findViewById(R.id.hea);

    provText = (TextView) findViewById(R.id.prov);
    choice = (TextView) findViewById(R.id.choice);
    fineAcc = (CheckBox) findViewById(R.id.fineAccuracy);
    choose = (Button) findViewById(R.id.chooseRadio);
    // Get the location manager
    locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    // Define the criteria how to select the location provider
    criteria = new Criteria();
    criteria.setAccuracy(Criteria.ACCURACY_COARSE); //default

    // user defines the criteria
    choose.setOnClickListener(new View.OnClickListener() {
        @Override//w ww . java  2  s. c  o  m
        public void onClick(View v) {
            // TODO Auto-generated method stub
            if (fineAcc.isChecked()) {
                criteria.setAccuracy(Criteria.ACCURACY_FINE);
                choice.setText("fine accuracy selected");
            } else {
                criteria.setAccuracy(Criteria.ACCURACY_COARSE);
                choice.setText("coarse accuracy selected");
            }
        }
    });
    criteria.setCostAllowed(false);
    // get the best provider depending on the criteria
    provider = locationManager.getBestProvider(criteria, false);
    // the last known location of this provider
    Location location = locationManager.getLastKnownLocation(provider);
    mylistener = new MyLocationListener();
    if (location != null) {
        mylistener.onLocationChanged(location);
    } else {
        // leads to the settings because there is no last known location
        Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
        startActivity(intent);
    }
    // location updates: at least 1 meter and 200 millsecs change
    locationManager.requestLocationUpdates(provider, 200, 1, mylistener);
}

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From source file:de.sindzinski.wetter.MainActivity.java

public Location getLocation() {
    Location location = null;//from w w  w. jav  a2  s.co m
    String provider = "";
    String locationSetting = "";

    if (!checkAndAskForPermission()) {
        return null;
    }

    try {
        // Get the location manager
        LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        // Define the criteria how to select the locatioin provider -> use
        // default
        Criteria criteria = new Criteria();
        if (locationManager != null) {
            provider = locationManager.getBestProvider(criteria, false);
            location = locationManager.getLastKnownLocation(provider);
        }

    } catch (Exception ex) {
        Log.e(LOG_TAG, "Error creating location service: " + ex.getMessage());
    }

    return location;
}

---

From source file:com.mobilyzer.util.PhoneUtils.java

/**
 * Lazily initializes the location manager.
 *
 * As a side effect, assigns locationManager and locationProviderName.
 */// w  w  w .  j a va2s . c om
private synchronized void initLocation() {
    if (locationManager == null) {
        LocationManager manager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

        Criteria criteriaCoarse = new Criteria();
        /* "Coarse" accuracy means "no need to use GPS".
         * Typically a gShots phone would be located in a building,
         * and GPS may not be able to acquire a location.
         * We only care about the location to determine the country,
         * so we don't need a super accurate location, cell/wifi is good enough.
         */
        criteriaCoarse.setAccuracy(Criteria.ACCURACY_COARSE);
        criteriaCoarse.setPowerRequirement(Criteria.POWER_LOW);
        String providerName = manager.getBestProvider(criteriaCoarse, /*enabledOnly=*/true);

        List<String> providers = manager.getAllProviders();
        for (String providerNameIter : providers) {
            try {
                LocationProvider provider = manager.getProvider(providerNameIter);
            } catch (SecurityException se) {
                // Not allowed to use this provider
                Logger.w("Unable to use provider " + providerNameIter);
                continue;
            }
            Logger.i(providerNameIter + ": "
                    + (manager.isProviderEnabled(providerNameIter) ? "enabled" : "disabled"));
        }

        /* Make sure the provider updates its location.
         * Without this, we may get a very old location, even a
         * device powercycle may not update it.
         * {@see android.location.LocationManager.getLastKnownLocation}.
         */
        manager.requestLocationUpdates(providerName, /*minTime=*/0, /*minDistance=*/0,
                new LoggingLocationListener(), Looper.getMainLooper());
        locationManager = manager;
        locationProviderName = providerName;
    }
    assert locationManager != null;
    assert locationProviderName != null;
}

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From source file:fashiome.android.fragments.MapListFragment.java

private LatLng getLastKnownLocation(boolean isMoveMarker) {
    LocationManager lm = (LocationManager) AppStarter.getAppContext()
            .getSystemService(Context.LOCATION_SERVICE);
    Criteria criteria = new Criteria();
    criteria.setAccuracy(Criteria.ACCURACY_LOW);
    String provider = lm.getBestProvider(criteria, true);
    if (provider == null) {
        return null;
    }//from www.j ava 2 s  .com
    Activity activity = getActivity();
    if (activity == null) {
        return null;
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (activity.checkSelfPermission(
                Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
                && activity.checkSelfPermission(
                        Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return null;
        }
    }
    Location loc = lm.getLastKnownLocation(provider);
    if (loc != null) {
        LatLng latLng = new LatLng(loc.getLatitude(), loc.getLongitude());
        if (isMoveMarker) {
            moveMarker(latLng);
        }
        return latLng;
    }
    return null;
}

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From source file:com.wishlist.Wishlist.java

public void fetchCurrentLocation() {
    new Thread() {
        public void run() {
            Looper.prepare();//from  w w w . ja v  a  2s .  c o  m
            mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
            MyLocationListener locationListener = new MyLocationListener();
            Criteria criteria = new Criteria();
            criteria.setAccuracy(Criteria.ACCURACY_COARSE);
            String provider = mLocationManager.getBestProvider(criteria, true);
            if (provider != null && mLocationManager.isProviderEnabled(provider)) {
                mLocationManager.requestLocationUpdates(provider, 1, 0, locationListener,
                        Looper.getMainLooper());
            } else {
                showToast("Please turn on handset's GPS");
            }
            Looper.loop();
        }
    }.start();
}

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From source file:org.opensmc.mytracks.cyclesmc.MainInput.java

private LatLng myCurrentLocation() {
    Criteria criteria = new Criteria();
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    Location loc = locationManager.getLastKnownLocation(locationManager.getBestProvider(criteria, false));
    if (loc != null) {
        return new LatLng(loc.getLatitude(), loc.getLongitude());
    } else {// w  ww. j  a va2s . co  m
        // try with coarse accuracy
        criteria.setAccuracy(Criteria.ACCURACY_FINE);
        loc = locationManager.getLastKnownLocation(locationManager.getBestProvider(criteria, false));

        if (loc == null) {
            return new LatLng(39.952451, -75.163664); // city hall by default
        }
    }
    return null;
}

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From source file:li.barter.fragments.AbstractBarterLiFragment.java

public boolean isLocationServiceEnabled() {
    LocationManager lm = (LocationManager) getActivity().getSystemService(Context.LOCATION_SERVICE);
    Criteria criteria = new Criteria();

    String provider = lm.getBestProvider(criteria, true);
    return ((provider != null) && !LocationManager.PASSIVE_PROVIDER.equals(provider));
}

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