在android appwidget中实现位置监听器时出现问题

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.RemoteViews;

public class MyAppWidgetProvider extends AppWidgetProvider {

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        for (int appWidgetId : appWidgetIds) {
            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
            appWidgetManager.updateAppWidget(appWidgetId, views);

            // Start location updates
            LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
            LocationListener locationListener = new LocationListener() {
                @Override
                public void onLocationChanged(Location location) {
                    // Update widget with new location information
                    views.setTextViewText(R.id.widget_text, "Latitude: " + location.getLatitude() + ", Longitude: " + location.getLongitude());
                    appWidgetManager.updateAppWidget(appWidgetId, views);
                }

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

                @Override
                public void onProviderEnabled(String provider) {
                }

                @Override
                public void onProviderDisabled(String provider) {
                }
            };
            locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
        }
        super.onUpdate(context, appWidgetManager, appWidgetIds);
    }
}