uk.org.freeflight.wifefinder.WifeFinderLocationService.java Source code

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Here is the source code for uk.org.freeflight.wifefinder.WifeFinderLocationService.java

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/*
Copyright 2016 Alan Sparrow
    
This file is part of Wifefinder.
    
Wifefind is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
*/

package uk.org.freeflight.wifefinder;

import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;

class WifeFinderLocationService implements LocationListener {
    private Context context;
    private Location location;
    private LocationManager locationManager;
    private boolean running;

    WifeFinderLocationService(Context c) {
        context = c;
        location = new Location("WF");
        locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
        running = false;
    }

    void start() {
        location.removeAccuracy();

        if (checkPermission(android.Manifest.permission.ACCESS_FINE_LOCATION)) {
            locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this);
            running = true;
        }

        if (checkPermission(android.Manifest.permission.ACCESS_COARSE_LOCATION)) {
            if (locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {
                locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, this);
                running = true;
            }
        }
    }

    void stop() {
        try {
            locationManager.removeUpdates(this);
            running = false;
        } catch (SecurityException ignored) {
        }
    }

    boolean isRunning() {
        return running;
    }

    double getLatitude() {
        return location.getLatitude();
    }

    double getLongitude() {
        return location.getLongitude();
    }

    void setLatitude(double latitude) {
        location.setLatitude(latitude);
    }

    void setLongitude(double longitude) {
        location.setLongitude(longitude);
    }

    double getAccuracy() {
        if (location.hasAccuracy()) {
            return location.getAccuracy();
        } else {
            return 0;
        }
    }

    boolean hasAccuracy() {
        return location.hasAccuracy();
    }

    double distanceTo(Location loc) {
        return location.distanceTo(loc);
    }

    double bearingTo(Location loc) {
        return location.bearingTo(loc);
    }

    boolean checkPermission(String permission) {
        return (ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED);
    }

    @Override
    public void onLocationChanged(Location newLocation) {
        if (!location.hasAccuracy() || (newLocation.getAccuracy() < location.getAccuracy())) {
            location = newLocation;
        }
    }

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

    @Override
    public void onProviderEnabled(String provider) {
    }

    @Override
    public void onProviderDisabled(String provider) {
    }
}