Java tutorial
/* * 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. */ package nabhack.localz.receiver; import java.util.Set; import nabhack.localz.R; import nabhack.localz.activity.DealSummaryActivity; import nabhack.localz.activity.DealSummaryActivity_; import com.google.android.gms.gcm.GoogleCloudMessaging; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.TaskStackBuilder; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.support.v4.app.NotificationCompat; import android.util.Log; /** * Handling of GCM messages. */ public class GcmBroadcastReceiver extends BroadcastReceiver { static final String TAG = "GcmBroadcastReceiver_localz"; 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()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { sendNotification("Deleted messages on server: " + intent.getExtras().toString()); } else { sendNotification("Received: " + intent.getExtras().getString("from")); Set<String> keySet = intent.getExtras().keySet(); for (String key : keySet) { Log.d(TAG, "Extras: " + key + " " + intent.getExtras().getString(key)); } } setResultCode(Activity.RESULT_OK); } // Put the GCM message into a notification and post it. private void sendNotification(String msg) { mNotificationManager = (NotificationManager) ctx.getSystemService(Context.NOTIFICATION_SERVICE); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(ctx) .setSmallIcon(R.drawable.ic_stat_localz).setContentTitle("New Localz deal!!!") .setContentText("You have new deal from Localz!!!").setAutoCancel(true); // Creates an explicit intent for an Activity in your app Intent resultIntent = new Intent(ctx, DealSummaryActivity_.class); // The stack builder object will contain an artificial back stack for the // started Activity. // This ensures that navigating backward from the Activity leads out of // your application to the Home screen. TaskStackBuilder stackBuilder = TaskStackBuilder.create(ctx); // Adds the back stack for the Intent (but not the Intent itself) stackBuilder.addParentStack(DealSummaryActivity_.class); // Adds the Intent that starts the Activity to the top of the stack stackBuilder.addNextIntent(resultIntent); PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT); mBuilder.setContentIntent(resultPendingIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); // And notify DealOfTheDayActivity if it is on the foreground Intent intent = new Intent(); intent.setAction("nabhack.localz"); intent.putExtra("Message", msg); ctx.sendBroadcast(intent); } }