Java tutorial
package ca.etsmtl.applets.etsmobile.service; /** * Copyright 2015 Google Inc. All Rights Reserved. * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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.IntentService; import android.content.Intent; import android.content.SharedPreferences; import android.preference.PreferenceManager; import android.support.v4.content.LocalBroadcastManager; import android.util.Log; import com.google.android.gms.gcm.GcmPubSub; import com.google.android.gms.gcm.GoogleCloudMessaging; import com.google.android.gms.iid.InstanceID; import java.io.IOException; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import ca.etsmtl.applets.etsmobile.ApplicationManager; import ca.etsmtl.applets.etsmobile.util.Constants; import ca.etsmtl.applets.etsmobile2.R; public class RegistrationIntentService extends IntentService { private static final String TAG = "RegIntentService"; private static final String[] TOPICS = { "global" }; public RegistrationIntentService() { super(TAG); } @Override protected void onHandleIntent(Intent intent) { SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); try { // In the (unlikely) event that multiple refresh operations occur simultaneously, // ensure that they are processed sequentially.x synchronized (TAG) { // [START register_for_gcm] // Initially this call goes out to the network to retrieve the token, subsequent calls // are local. // [START get_token] InstanceID instanceID = InstanceID.getInstance(this); //TODO put authorized entity in a property file String token = instanceID.getToken(getString(R.string.google_authorized_entity), GoogleCloudMessaging.INSTANCE_ID_SCOPE, null); // [END get_token] Log.i(TAG, "GCM Registration Token: " + token); sendRegistrationToServer(token); // Subscribe to topic channels subscribeTopics(token); // You should store a boolean that indicates whether the generated token has been // sent to your server. If the boolean is false, send the token to your server, // otherwise your server should have already received the token. sharedPreferences.edit().putBoolean(Constants.IS_GCM_TOKEN_SENT_TO_SERVER, true).apply(); // [END register_for_gcm] } } catch (Exception e) { Log.d(TAG, "Failed to complete token refresh", e); // If an exception happens while fetching the new token or updating our registration data // on a third-party server, this ensures that we'll attempt the update at a later time. sharedPreferences.edit().putBoolean(Constants.IS_GCM_TOKEN_SENT_TO_SERVER, false).apply(); } // Notify UI that registration has completed, so the progress indicator can be hidden. Intent registrationComplete = new Intent(Constants.REGISTRATION_COMPLETE); LocalBroadcastManager.getInstance(this).sendBroadcast(registrationComplete); } /** * Persist registration to third-party servers. * <p/> * Modify this method to associate the user's GCM registration token with any server-side account * maintained by your application. * * @param token The new token. */ private void sendRegistrationToServer(String token) { // Add custom implementation, as needed. ExecutorService executor = Executors.newFixedThreadPool(1); CreateEndpointJob worker = new CreateEndpointJob(getApplicationContext()); //TODO put application ARN in a property file worker.setThreadProperties(token, ApplicationManager.domaine + "\\" + ApplicationManager.userCredentials.getUsername(), getString(R.string.aws_application_arn)); worker.run(); executor.execute(worker); } /** * Subscribe to any GCM topics of interest, as defined by the TOPICS constant. * * @param token GCM token * @throws IOException if unable to reach the GCM PubSub service */ // [START subscribe_topics] private void subscribeTopics(String token) throws IOException { for (String topic : TOPICS) { GcmPubSub pubSub = GcmPubSub.getInstance(this); pubSub.subscribe(token, "/topics/" + topic, null); } } // [END subscribe_topics] }