com.codelyst.ccm.RegistrationIntentService.java Source code

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Here is the source code for com.codelyst.ccm.RegistrationIntentService.java

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/**
 * Copyright [2015] [Codelyst (Prashant goyal)]
 * <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.se.
 */

/*
 * Use this meta data in your manifests file for get
 *         <meta-data
        android:name="gcm_sender_id"
        android:value="@string/gcm_sender_id" />
    
    
* */
package com.codelyst.ccm;

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.codelyst.ccm.utils.Utils;
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;

public class RegistrationIntentService extends IntentService {

    private static final String TAG = "RegIntentService";
    private static final String[] TOPICS = { "global" };
    public static final String GCM_SENDER_META_DATA_KEY = "gcm_sender_id";
    public static final String SENT_TOKEN_TO_SERVER = "sendTokenToServer";
    public static final String REGISTRATION_COMPLETE = "REGISTRATION_COMPLETE";
    public static final String GCM_TOKEN = "GCM_TOKEN";

    public RegistrationIntentService() {
        super(TAG);
    }

    @Override
    protected void onHandleIntent(Intent intent) {
        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
        String token = null;
        try {
            // In the (unlikely) event that multiple refresh operations occur simultaneously,
            // ensure that they are processed sequentially.
            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);
                String gcm_sender_id = Utils.getMetaDataFromManifests(getApplicationContext(),
                        GCM_SENDER_META_DATA_KEY);

                Log.d(TAG, gcm_sender_id);
                token = instanceID.getToken(gcm_sender_id, GoogleCloudMessaging.INSTANCE_ID_SCOPE, null);
                // [END get_token]
                Log.i(TAG, "GCM Registration Token: " + token);

                sharedPreferences.edit().putBoolean(GCM_TOKEN, true).apply();

                // Subscribe to topic channels
                subscribeTopics(token);

                // [END register_for_gcm]
            }
        } catch (Exception e) {
            Log.d(TAG, "Failed to complete token refresh", e);

        }
        // Notify UI that registration has completed, so the progress indicator can be hidden.
        Intent registrationComplete = new Intent(REGISTRATION_COMPLETE);

        if (token != null) {
            registrationComplete.putExtra(GCM_TOKEN, token);
            sharedPreferences.edit().putString(GCM_TOKEN, token).apply();

        } else {
            registrationComplete.putExtra(GCM_TOKEN, "");
            sharedPreferences.edit().putString(GCM_TOKEN, "").apply();

        }

        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) {

    }

    /**
     * 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]

}