Java tutorial
/** * Copyright 2015, Digium, Inc. * All rights reserved. * * This source code is licensed under The MIT License found in the * LICENSE file in the root directory of this source tree. * * For all details and documentation: https://www.respoke.io */ package com.digium.respoke; import android.app.IntentService; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.media.RingtoneManager; import android.net.Uri; import android.os.Bundle; import android.os.SystemClock; import android.provider.Settings; import android.support.v4.app.NotificationCompat; import android.util.Log; import com.google.android.gms.gcm.GoogleCloudMessaging; public class GcmIntentService extends IntentService { public static final int NOTIFICATION_ID = 1; public static final String TAG = "GcmIntentService"; private NotificationManager mNotificationManager; public GcmIntentService() { super("GcmIntentService"); } @Override protected void onHandleIntent(Intent intent) { Bundle extras = intent.getExtras(); GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this); // The getMessageType() intent parameter must be the intent you received // in your BroadcastReceiver. String messageType = gcm.getMessageType(intent); if (!extras.isEmpty()) { // has effect of unparcelling Bundle /* * Filter messages based on message type. Since it is likely that GCM * will be extended in the future with new message types, just ignore * any message types you're not interested in, or that you don't * recognize. */ if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { sendNotification("Send error: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { sendNotification("Deleted messages on server: " + extras.toString()); // If it's a regular GCM message, do some work. } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) { // Post notification of received message. String messageContents = extras.getString("message"); if (null != messageContents) { sendNotification(messageContents); Log.i(TAG, "Received: " + extras.toString()); } } } // Release the wake lock provided by the WakefulBroadcastReceiver. GcmBroadcastReceiver.completeWakefulIntent(intent); } // Put the message into a notification and post it. // This is just one simple example of what you might choose to do with // a GCM message. private void sendNotification(String msg) { mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, ConnectActivity.class), 0); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_launcher).setContentTitle("Respoke") .setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setContentText(msg); mBuilder.setContentIntent(contentIntent); Uri alarmSound = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); mBuilder.setSound(alarmSound); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } }