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 com.hukum.app_framework.application.gcm.controller; 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 com.hukum.app_framework.application.model.listener.OnAPIResponseListener; import com.hukum.app_framework.application.gcm.model.manager.GcmManager; import com.hukum.app_framework.application.gcm.model.parser.GcmParser; import com.hukum.app_framework.application.model.data.AppData; import com.hukum.app_framework.application.constants.RequestTagConstant; import com.hukum.app_framework.application.constants.SharedPreferenceConstant; import org.json.JSONException; import java.io.IOException; public class AppGcmRegistrationIntentService extends IntentService implements OnAPIResponseListener { private static final String TAG = "AppGcmRegistration"; private static final String[] TOPICS = { "global" }; public static final String SENDER_ID = "32670831119"; public AppGcmRegistrationIntentService() { super(TAG); } @Override protected void onHandleIntent(Intent intent) { try { // [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); String token = instanceID.getToken(SENDER_ID, GoogleCloudMessaging.INSTANCE_ID_SCOPE, null); // [END get_token] Log.i(TAG, "GCM Reg Token: " + token); sendRegistrationToServer(token); // Subscribe to topic channels subscribeTopics(token); // [END register_for_gcm] } catch (Exception e) { Log.d(TAG, "NcertGcmRegService onHandleIntent" + e); handleTokenFailure(); } } /** * 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(String token) { Log.d(TAG, "GcmRegService token" + token); GcmManager gcmManager = new GcmManager(new GcmParser(), this); gcmManager.sendGcmTokenToServer(RequestTagConstant.SEND_GCM_ACCESS_TOKEN, token, this); } /** * 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] /** * When we get HTTP 200 as response Code. * * @param appData * @param requestTag */ @Override public void onAPIResponse(AppData appData, String requestTag) { Log.d(TAG, "NcertGcmRegService onAPIResponse" + appData); if (appData != null && appData.isSucceeded()) { if (requestTag.equals(RequestTagConstant.SEND_GCM_ACCESS_TOKEN)) { SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); // 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(SharedPreferenceConstant.SENT_TOKEN_TO_SERVER, true).apply(); // Notify UI that registration has completed, so the progress indicator can be hidden. Intent registrationComplete = new Intent(SharedPreferenceConstant.REGISTRATION_COMPLETE); LocalBroadcastManager.getInstance(this).sendBroadcast(registrationComplete); } } else { handleTokenFailure(); } } private void handleTokenFailure() { SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); Log.d(TAG, "Failed to complete token refresh"); // 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(SharedPreferenceConstant.SENT_TOKEN_TO_SERVER, false).apply(); // Notify UI that registration has completed, so the progress indicator can be hidden. Intent registrationComplete = new Intent(SharedPreferenceConstant.REGISTRATION_COMPLETE); LocalBroadcastManager.getInstance(this).sendBroadcast(registrationComplete); } /** * When we get other then HTTP 200 as response Code. * * @param message * @param requestTag */ @Override public void onInternalServerError(String message, String requestTag) { Log.d(TAG, "NcertGcmRegService onInternalServerError" + message); handleTokenFailure(); } /** * When api get broken or response structure changes. * * @param e * @param requestTag */ @Override public void onAPIParsingException(JSONException e, String requestTag) { Log.d(TAG, "NcertGcmRegService onAPIParsingException" + e); handleTokenFailure(); } }