如何访问主活动以获取纬度和经度以更改url，以及如何自动更改url的语言。

if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
    ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, MY_PERMISSIONS_REQUEST_LOCATION);
}

FusedLocationProviderClient fusedLocationClient = LocationServices.getFusedLocationProviderClient(this);
fusedLocationClient.getLastLocation()
    .addOnSuccessListener(this, new OnSuccessListener<Location>() {
        @Override
        public void onSuccess(Location location) {
            if (location != null) {
                double latitude = location.getLatitude();
                double longitude = location.getLongitude();
                // 使用纬度和经度更改URL
                updateUrlWithCoordinates(latitude, longitude);
            }
        }
    });

Locale currentLocale = Locale.getDefault();
String language = currentLocale.getLanguage();

private void updateUrlWithLanguage(String language) {
    String baseUrl = "https://example.com";
    String urlWithLanguage = baseUrl + "?lang=" + language;
    // 更新UI或进行网络请求
}

updateUrlWithLanguage(language);

public class MainActivity extends AppCompatActivity {

    private static final int MY_PERMISSIONS_REQUEST_LOCATION = 99;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, MY_PERMISSIONS_REQUEST_LOCATION);
        } else {
            getLastLocationAndUpdateUrl();
        }
    }

    private void getLastLocationAndUpdateUrl() {
        FusedLocationProviderClient fusedLocationClient = LocationServices.getFusedLocationProviderClient(this);
        fusedLocationClient.getLastLocation()
            .addOnSuccessListener(this, new OnSuccessListener<Location>() {
                @Override
                public void onSuccess(Location location) {
                    if (location != null) {
                        double latitude = location.getLatitude();
                        double longitude = location.getLongitude();
                        updateUrlWithCoordinates(latitude, longitude);

                        Locale currentLocale = Locale.getDefault();
                        String language = currentLocale.getLanguage();
                        updateUrlWithLanguage(language);
                    }
                }
            });
    }

    private void updateUrlWithCoordinates(double latitude, double longitude) {
        String baseUrl = "https://example.com";
        String urlWithCoordinates = baseUrl + "?lat=" + latitude + "&lon=" + longitude;
        // 更新UI或进行网络请求
    }

    private void updateUrlWithLanguage(String language) {
        String baseUrl = "https://example.com";
        String urlWithLanguage = baseUrl + "?lang=" + language;
        // 更新UI或进行网络请求
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        if (requestCode == MY_PERMISSIONS_REQUEST_LOCATION) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                getLastLocationAndUpdateUrl();
            }
        }
    }
}