Java tutorial
package com.juanojfp.gcmsample; /* * Copyright 2013 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. */ import android.app.Activity; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.NotificationCompat; import com.google.android.gms.gcm.GoogleCloudMessaging; /** * Handling of GCM messages. */ public class GcmBroadcastReceiver extends BroadcastReceiver { static final String TAG = "GCMDemo"; public static final int NOTIFICATION_ID = 1; private NotificationManager mNotificationManager; NotificationCompat.Builder builder; Context ctx; @Override public void onReceive(Context context, Intent intent) { GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(context); ctx = context; String messageType = gcm.getMessageType(intent); if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { sendNotification("Send error: " + intent.getExtras().toString(), intent.getExtras()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { sendNotification("Deleted messages on server: " + intent.getExtras().toString(), intent.getExtras()); } else { sendNotification("Received: " + intent.getExtras().toString(), intent.getExtras()); } setResultCode(Activity.RESULT_OK); } // Put the GCM message into a notification and post it. private void sendNotification(String msg, Bundle extas) { mNotificationManager = (NotificationManager) ctx.getSystemService(Context.NOTIFICATION_SERVICE); Intent it = new Intent(ctx, MainActivity.class); it.putExtras(extas); PendingIntent contentIntent = PendingIntent.getActivity(ctx, 0, it, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(ctx) .setSmallIcon(R.drawable.ic_stat_gcm).setContentTitle("GCM Notification").setAutoCancel(true) .setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setContentText(msg); mBuilder.setContentIntent(contentIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } }