Java tutorial
/** * Copyright 2015 Google Inc. All Rights Reserved. * * 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 jgabrielfreitas.androidgcm.notification; import android.app.IntentService; import android.content.Intent; import android.content.SharedPreferences; import android.os.Build; import android.preference.PreferenceManager; import android.support.v4.content.LocalBroadcastManager; import android.util.Log; import android.widget.Toast; import com.google.android.gms.gcm.GcmPubSub; import com.google.android.gms.gcm.GoogleCloudMessaging; import com.google.android.gms.iid.InstanceID; import com.parse.FindCallback; import com.parse.Parse; import com.parse.ParseException; import com.parse.ParseObject; import com.parse.ParseQuery; import com.parse.SaveCallback; import java.io.IOException; import java.util.List; import jgabrielfreitas.androidgcm.R; public class RegistrationIntentService extends IntentService { private static final String TAG = "RegIntentService"; private static final String[] TOPICS = { "global" }; public RegistrationIntentService() { super(TAG); } protected void onHandleIntent(Intent intent) { SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); try { // Initially this call goes out to the network to retrieve the token, subsequent calls are local. // R.string.gcm_defaultSenderId (the Sender ID) is typically derived from google-services.json. // See https://developers.google.com/cloud-messaging/android/start for details on this file. InstanceID instanceID = InstanceID.getInstance(this); String token = instanceID.getToken(getString(R.string.gcm_defaultSenderId), GoogleCloudMessaging.INSTANCE_ID_SCOPE, null); Log.i(TAG, "GCM Registration Token: " + token); // TODO: Implement this method to send any registration to your app's servers. 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(QuickstartPreferences.SENT_TOKEN_TO_SERVER, true).apply(); } 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(QuickstartPreferences.SENT_TOKEN_TO_SERVER, false).apply(); } // Notify UI that registration has completed, so the progress indicator can be hidden. Intent registrationComplete = new Intent(QuickstartPreferences.REGISTRATION_COMPLETE); LocalBroadcastManager.getInstance(this).sendBroadcast(registrationComplete); } /** * Persist registration to third-party servers. * * 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(final String token) { // Add custom implementation, as needed. ParseQuery<ParseObject> query = ParseQuery.getQuery("Device"); query.whereEqualTo("token", token); query.findInBackground(new FindCallback<ParseObject>() { public void done(List<ParseObject> objects, ParseException e) { if (e == null) { if (objects.size() <= 0) { ParseObject parseObject = new ParseObject("Device"); parseObject.put("token", token); parseObject.put("name", String.format("%s - %s", Build.MANUFACTURER, Build.MODEL)); parseObject.saveInBackground(new SaveCallback() { public void done(ParseException e) { if (e == null) Toast.makeText(RegistrationIntentService.this, "Token salvo no Parse com sucesso", Toast.LENGTH_SHORT).show(); } }); } else Toast.makeText(RegistrationIntentService.this, "Dispositivo j inserido no Parse", Toast.LENGTH_SHORT).show(); } else Toast.makeText(RegistrationIntentService.this, "Erro na busca do token com o Parse", Toast.LENGTH_SHORT).show(); } }); } /** * 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 { GcmPubSub pubSub = GcmPubSub.getInstance(this); for (String topic : TOPICS) { pubSub.subscribe(token, "/topics/" + topic, null); } } // [END subscribe_topics] }