com.mfcoding.locationBP.receivers.LocationChangedReceiver.java Source code

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Here is the source code for com.mfcoding.locationBP.receivers.LocationChangedReceiver.java

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/*
 * Copyright 2011 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.mfcoding.locationBP.receivers;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.util.Log;

import com.mfcoding.locationBP.PlacesConstants;
import com.mfcoding.locationBP.services.EclairPlacesUpdateService;
import com.mfcoding.locationBP.services.LocationUpdateService;

/**
 * This Receiver class is used to listen for Broadcast Intents that announce
 * that a location change has occurred. This is used instead of a LocationListener
 * within an Activity is our only action is to start a service.
 */
public class LocationChangedReceiver extends BroadcastReceiver implements LoaderCallbacks<Cursor> {

    protected static String TAG = "LocationChangedReceiver";

    /**
     * When a new location is received, extract it from the Intent and use
     * it to start the Service used to update the list of nearby places.
     * 
     * This is the Active receiver, used to receive Location updates when 
     * the Activity is visible. 
     */
    @Override
    public void onReceive(Context context, Intent intent) {
        String locationKey = LocationManager.KEY_LOCATION_CHANGED;
        String providerEnabledKey = LocationManager.KEY_PROVIDER_ENABLED;
        if (intent.hasExtra(providerEnabledKey)) {
            if (!intent.getBooleanExtra(providerEnabledKey, true)) {
                Intent providerDisabledIntent = new Intent(
                        PlacesConstants.ACTIVE_LOCATION_UPDATE_PROVIDER_DISABLED);
                context.sendBroadcast(providerDisabledIntent);
            }
        }
        if (intent.hasExtra(locationKey)) {
            Location location = (Location) intent.getExtras().get(locationKey);
            Log.d(TAG,
                    "Actively Updating location lat:" + location.getLatitude() + " lng:" + location.getLongitude());
            Intent updateServiceIntent = new Intent(context,
                    PlacesConstants.SUPPORTS_ECLAIR ? EclairPlacesUpdateService.class
                            : LocationUpdateService.class);
            updateServiceIntent.putExtra(PlacesConstants.EXTRA_KEY_LOCATION, location);
            updateServiceIntent.putExtra(PlacesConstants.EXTRA_KEY_RADIUS, PlacesConstants.DEFAULT_RADIUS);
            updateServiceIntent.putExtra(PlacesConstants.EXTRA_KEY_FORCEREFRESH, true);
            context.startService(updateServiceIntent);

            //      Intent locUpdateIntent = new Intent(PlacesConstants.ACTIVE_LOCATION_UPDATE);
            //      context.sendBroadcast(locUpdateIntent);
        }
    }

    @Override
    public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void onLoadFinished(Loader<Cursor> arg0, Cursor arg1) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onLoaderReset(Loader<Cursor> arg0) {
        // TODO Auto-generated method stub

    }
}