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Dificuldade com Permissão Location Android

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Boa tarde,

Estou a tentar colocar a funcionar um projecto open-source encontrado na internet mas estou com alguns problemas ao tentar implementar as permissões para o Location agora exigidas pelo compileSdkVersion 23 e buildToolsVersion "23.0.1" que quero utilizar.

O código em que estou a usar pode ser encontrado aqui: https://github.com/vyshane/rex-weather

 * Implement an Rx-style location service by wrapping the Android LocationManager and providing
 * the location result as an Observable.
public class LocationService {
    private final LocationManager mLocationManager;

    public LocationService(LocationManager locationManager) {
        mLocationManager = locationManager;

    public Observable<Location> getLocation() {
        return Observable.create(new Observable.OnSubscribe<Location>() {
            public void call(final Subscriber<? super Location> subscriber) {

                final LocationListener locationListener = new LocationListener() {
                    public void onLocationChanged(final Location location) {


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

                    public void onProviderEnabled(String provider) {

                    public void onProviderDisabled(String provider) {

                final Criteria locationCriteria = new Criteria();
                final String locationProvider = mLocationManager
                        .getBestProvider(locationCriteria, true);


                if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                    // TODO: Consider calling
                    //    ActivityCompat#requestPermissions
                    // here to request the missing permissions, and then overriding
                    //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
                    //                                          int[] grantResults)
                    // to handle the case where the user grants the permission. See the documentation
                    // for ActivityCompat#requestPermissions for more details.
                        locationListener, Looper.myLooper());



O meu problema está no 'this' da permissão, o qual tem como erro o seguinte:


checkSelfPermission(android.content.Context,String)in ContextCompat cannot be applied

to(anonymous rx.Observable.OnSubscribe<android.location.Location>,String) 


Eu não sei como colocar isto a funcionar, se alguém me puder dar uma ajuda agradecia.


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