com.kth.baasio.baassample.gcm.GCMIntentService.java Source code

Introduction

Here is the source code for com.kth.baasio.baassample.gcm.GCMIntentService.java

Source

/*
 * 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.kth.baasio.baassample.gcm;

import static com.kth.common.utils.LogUtils.LOGE;
import static com.kth.common.utils.LogUtils.LOGI;
import static com.kth.common.utils.LogUtils.LOGW;
import static com.kth.common.utils.LogUtils.makeLogTag;

import com.google.android.gcm.GCMBaseIntentService;
import com.kth.baasio.baassample.BaasioConfig;
import com.kth.baasio.baassample.BuildConfig;
import com.kth.baasio.baassample.R;
import com.kth.baasio.baassample.ui.BaasMainActivity;
import com.kth.baasio.gcm.GcmUtils;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.support.v4.app.NotificationCompat;

import java.util.Random;

/**
 * {@link android.app.IntentService} responsible for handling GCM messages.
 */
public class GCMIntentService extends GCMBaseIntentService {

    private static final String TAG = makeLogTag("GCM");

    private static final int TRIGGER_SYNC_MAX_JITTER_MILLIS = 3 * 60 * 1000; // 3
                                                                             // minutes

    private static final Random sRandom = new Random();

    public GCMIntentService() {
        super(BaasioConfig.GCM_SENDER_ID);
    }

    @Override
    protected void onRegistered(Context context, String regId) {
        LOGI(TAG, "Device registered: regId=" + regId);

        GcmUtils.register(context, regId);
    }

    @Override
    protected void onUnregistered(Context context, String regId) {
        LOGI(TAG, "Device unregistered");

        GcmUtils.unregister(context);
    }

    @Override
    protected void onMessage(Context context, Intent intent) {
        String announcement = intent.getStringExtra("message");
        if (announcement != null) {
            // displayNotification(context, announcement);
            generateNotification(context, announcement);
            return;
        }

        int jitterMillis = (int) (sRandom.nextFloat() * TRIGGER_SYNC_MAX_JITTER_MILLIS);
        final String debugMessage = "Received message to trigger sync; " + "jitter = " + jitterMillis + "ms";
        LOGI(TAG, debugMessage);

        if (BuildConfig.DEBUG) {
            displayNotification(context, debugMessage);
        }

        generateNotification(context, announcement);
    }

    private void displayNotification(Context context, String message) {
        LOGI(TAG, "displayNotification: " + message);
    }

    /**
     * Issues a notification to inform the user that server has sent a message.
     */
    private static void generateNotification(Context context, String message) {
        int icon = R.drawable.ic_launcher;
        long when = System.currentTimeMillis();
        NotificationManager notificationManager = (NotificationManager) context
                .getSystemService(Context.NOTIFICATION_SERVICE);

        Intent notificationIntent = new Intent(context, BaasMainActivity.class);
        // set intent so it does not start a new activity
        notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
        PendingIntent intent = PendingIntent.getActivity(context, 0, notificationIntent, 0);

        Notification notification = new NotificationCompat.Builder(context).setWhen(when).setSmallIcon(icon)
                .setContentTitle(context.getString(R.string.app_name)).setContentText(message)
                .setContentIntent(intent).setTicker(message).setAutoCancel(true).getNotification();

        notificationManager.notify(0, notification);
    }

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

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