com.fremontunified.ifusdandroid.GCMIntentService.java Source code

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Here is the source code for com.fremontunified.ifusdandroid.GCMIntentService.java

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/*
 * Copyright 2012 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.fremontunified.ifusdandroid;

import android.support.v4.app.NotificationCompat;

import static com.fremontunified.ifusdandroid.CommonUtilities.SENDER_ID;
import static com.fremontunified.ifusdandroid.CommonUtilities.displayMessage;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

import com.google.android.gcm.GCMBaseIntentService;
import com.google.android.gcm.GCMRegistrar;

/**
 * IntentService responsible for handling GCM messages.
 */
public class GCMIntentService extends GCMBaseIntentService {

    private static final String TAG = "GCMIntentService";

    public GCMIntentService() {
        super(SENDER_ID);
    }

    @Override
    protected void onRegistered(Context context, String registrationId) {

        Log.e(TAG, registrationId);

        ServerUtilities.register(context, registrationId);
        Log.e(TAG, "Device registered: regId = " + registrationId);
    }

    @Override
    protected void onUnregistered(Context context, String registrationId) {
        Log.e(TAG, "Device unregistered");
        if (GCMRegistrar.isRegisteredOnServer(context)) {
            ServerUtilities.unregister(context, registrationId);
        } else {
            // This callback results from the call to unregister made on
            // ServerUtilities when the registration to the server failed.
            Log.i(TAG, "Ignoring unregister callback");
        }
    }

    @Override
    protected void onMessage(Context context, Intent intent) {
        Log.i(TAG, "Received message");
        String message = intent.getStringExtra("message");
        displayMessage(context, message);
        // notifies user
        generateNotification(context, message);
    }

    @Override
    protected void onDeletedMessages(Context context, int total) {
        Log.i(TAG, "Received deleted messages notification");
        String message = "Some messages from GCM may not have been received because of an error.";
        displayMessage(context, message);
        // notifies user
        generateNotification(context, message);
    }

    @Override
    public void onError(Context context, String errorId) {
        Log.i(TAG, "Received error: " + errorId);
        displayMessage(context, "Received error: " + errorId);
    }

    @Override
    protected boolean onRecoverableError(Context context, String errorId) {
        // log message
        Log.i(TAG, "Received recoverable error: " + errorId);
        displayMessage(context, "Received recoverable error: " + errorId);
        return super.onRecoverableError(context, errorId);
    }

    /**
     * Issues a notification to inform the user that server has sent a message.
     */
    private static void generateNotification(Context context, String message) {
        Intent notificationIntent = new Intent(context, FremontUnified.class);
        PendingIntent pIntent = PendingIntent.getActivity(context, 0, notificationIntent, 0);
        Notification noti = new NotificationCompat.Builder(context).setSmallIcon(R.drawable.ic_stat_gcm)
                .setContentTitle(context.getString(R.string.app_name)).setContentText(message)
                .setContentIntent(pIntent).build();

        NotificationManager notificationManager = (NotificationManager) context
                .getSystemService(Context.NOTIFICATION_SERVICE);

        noti.flags |= Notification.FLAG_AUTO_CANCEL;
        notificationManager.notify(0, noti);
    }

}