Example usage for android.location LocationManager getProviders

Introduction

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

Prototype

public List<String> getProviders(Criteria criteria, boolean enabledOnly) 

Source Link

Document

Returns a list of the names of LocationProviders that satisfy the given criteria, or null if none do.

Usage

From source file:com.mobilevangelist.glass.helloworld.GetTheWeatherActivity.java

public static Location getLastLocation(Context context) {
    Location result = null;//from  w w w  . ja  v a2 s  .c o  m
    LocationManager locationManager;
    Criteria locationCriteria;
    List<String> providers;

    locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
    locationCriteria = new Criteria();
    locationCriteria.setAccuracy(Criteria.NO_REQUIREMENT);
    providers = locationManager.getProviders(locationCriteria, true);

    // Note that providers = locatoinManager.getAllProviders(); is not used because the
    // list might contain disabled providers or providers that are not allowed to be called.

    //Note that getAccuracy can return 0, indicating that there is no known accuracy.

    for (String provider : providers) {
        Location location = locationManager.getLastKnownLocation(provider);
        if (result == null) {
            result = location;
        } else if (result.getAccuracy() == 0.0) {
            if (location.getAccuracy() != 0.0) {
                result = location;
                break;
            } else {
                if (result.getAccuracy() > location.getAccuracy()) {
                    result = location;
                }
            }
        }
    }

    return result;
}

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From source file:uk.ac.horizon.artcodes.fragment.ExperienceRecommendFragment.java

@Nullable
private Location getLocation() {
    if (ContextCompat.checkSelfPermission(getContext(),
            Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
        final LocationManager locationManager = (LocationManager) getContext().getApplicationContext()
                .getSystemService(Context.LOCATION_SERVICE);
        float accuracy = Float.MAX_VALUE;
        Location location = null;
        for (String provider : locationManager.getProviders(new Criteria(), true)) {
            Location newLocation = locationManager.getLastKnownLocation(provider);
            if (newLocation != null) {
                if (newLocation.getAccuracy() < accuracy) {
                    accuracy = newLocation.getAccuracy();
                    location = newLocation;
                }//from  ww  w .j av a2s .  co m
            }
        }

        return location;
    } else {
        Log.i("location", "No location permission");
    }
    return null;
}

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