net.mceoin.cominghome.ReceiveTransitionsIntentService.java Source code

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Here is the source code for net.mceoin.cominghome.ReceiveTransitionsIntentService.java

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/*
 * Copyright 2014 Randy McEoin
 *
 * 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 net.mceoin.cominghome;

import android.app.IntentService;
import android.content.Intent;
import android.support.v4.content.LocalBroadcastManager;
import android.text.TextUtils;
import android.util.Log;

import com.google.android.gms.location.Geofence;
import com.google.android.gms.location.LocationClient;

import net.mceoin.cominghome.geofence.FenceHandling;
import net.mceoin.cominghome.geofence.GeofenceUtils;

import java.util.List;

/**
 * This class receives geofence transition events from Location Services, in the
 * form of an Intent containing the transition type and geofence id(s) that triggered
 * the event.
 */
public class ReceiveTransitionsIntentService extends IntentService {

    public final static String TAG = ReceiveTransitionsIntentService.class.getSimpleName();

    /**
     * Sets an identifier for this class' background thread
     */
    public ReceiveTransitionsIntentService() {
        super("ReceiveTransitionsIntentService");
    }

    /**
     * Handles incoming intents
     *
     * @param intent The Intent sent by Location Services. This Intent is provided
     *               to Location Services (inside a PendingIntent) when you call addGeofences()
     */
    @Override
    protected void onHandleIntent(Intent intent) {

        // Create a local broadcast Intent
        Intent broadcastIntent = new Intent();

        // Give it the category for all intents sent by the Intent Service
        broadcastIntent.addCategory(GeofenceUtils.CATEGORY_LOCATION_SERVICES);

        // First check for errors
        if (LocationClient.hasError(intent)) {

            // Get the error code
            int errorCode = LocationClient.getErrorCode(intent);

            // Get the error message
            String errorMessage = LocationServiceErrorMessages.getErrorString(this, errorCode);

            // Log the error
            Log.e(TAG, getString(R.string.geofence_transition_error_detail, errorMessage));

            // Set the action and error message for the broadcast intent
            broadcastIntent.setAction(GeofenceUtils.ACTION_GEOFENCE_ERROR)
                    .putExtra(GeofenceUtils.EXTRA_GEOFENCE_STATUS, errorMessage);

            // Broadcast the error *locally* to other components in this app
            LocalBroadcastManager.getInstance(this).sendBroadcast(broadcastIntent);

            // If there's no error, get the transition type and create a notification
        } else {

            // Get the type of transition (entry or exit)
            int transition = LocationClient.getGeofenceTransition(intent);

            // Test that a valid transition was reported
            if ((transition == Geofence.GEOFENCE_TRANSITION_ENTER)
                    || (transition == Geofence.GEOFENCE_TRANSITION_EXIT)) {

                // Post a notification
                List<Geofence> geofences = LocationClient.getTriggeringGeofences(intent);
                String[] geofenceIds = new String[geofences.size()];
                for (int index = 0; index < geofences.size(); index++) {
                    geofenceIds[index] = geofences.get(index).getRequestId();
                }
                String ids = TextUtils.join(GeofenceUtils.GEOFENCE_ID_DELIMITER, geofenceIds);
                String transitionType = getTransitionString(transition);

                //                sendNotification(transitionType, ids);

                // Log the transition type and a message
                Log.d(TAG, getString(R.string.geofence_transition_notification_title, transitionType, ids));

                FenceHandling.process(transition, geofences, getApplicationContext());
                // An invalid transition was reported
            } else {
                // Always log as an error
                Log.e(TAG, getString(R.string.geofence_transition_invalid_type, transition));
            }
        }
    }

    /**
     * Maps geofence transition types to their human-readable equivalents.
     *
     * @param transitionType A transition type constant defined in Geofence
     * @return A String indicating the type of transition
     */
    private String getTransitionString(int transitionType) {
        switch (transitionType) {

        case Geofence.GEOFENCE_TRANSITION_ENTER:
            return getString(R.string.geofence_transition_entered);

        case Geofence.GEOFENCE_TRANSITION_EXIT:
            return getString(R.string.geofence_transition_exited);

        default:
            return getString(R.string.geofence_transition_unknown);
        }
    }
}