au.com.websitemasters.schools.lcps.push.RegistrationIntentService.java Source code

Introduction

Here is the source code for au.com.websitemasters.schools.lcps.push.RegistrationIntentService.java

Source

/**
 * 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 au.com.websitemasters.schools.lcps.push;

import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.provider.Settings;
import android.support.v4.content.LocalBroadcastManager;
import android.telephony.TelephonyManager;
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.UUID;

import au.com.websitemasters.schools.lcps.R;
import au.com.websitemasters.schools.lcps.connection_retrofit.RetrofitClient;

public class RegistrationIntentService extends IntentService {

    private static final String TAG = "rklogs";
    private static final String[] TOPICS = { "global" };

    public RegistrationIntentService() {
        super(TAG);
    }

    @Override
    protected void onHandleIntent(Intent intent) {
        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);

        try {
            // [START register_for_gcm]
            // 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.
            // [START get_token]

            InstanceID instanceID = InstanceID.getInstance(this);
            String token = instanceID.getToken(getString(R.string.gcm_defaultSenderId),
                    GoogleCloudMessaging.INSTANCE_ID_SCOPE, null);

            String uid;
            try {
                uid = Settings.Secure.getString(this.getContentResolver(), Settings.Secure.ANDROID_ID);
            } catch (NullPointerException e) {
                final TelephonyManager tm = (TelephonyManager) getBaseContext()
                        .getSystemService(Context.TELEPHONY_SERVICE);
                final String tmDevice, tmSerial, androidId;
                tmDevice = "" + tm.getDeviceId();
                tmSerial = "" + tm.getSimSerialNumber();
                androidId = "" + android.provider.Settings.Secure.getString(getContentResolver(),
                        android.provider.Settings.Secure.ANDROID_ID);
                UUID deviceUuid = new UUID(androidId.hashCode(),
                        ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
                uid = deviceUuid.toString();
            }

            Log.d("rklogs", "uid: " + uid);
            Log.d("rklogs", "GCM Reg Token: " + token);

            RetrofitClient client = new RetrofitClient();
            client.postToken(token, uid);

            // [END get_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(getResources().getString(R.string.sent_token_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(getResources().getString(R.string.sent_token_to_server), false)
                    .apply();
        }
        // Notify UI that registration has completed, so the progress indicator can be hidden.
        Intent registrationComplete = new Intent(getResources().getString(R.string.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(String token) {
        // Add custom implementation, as needed.

    }

    /**
     * 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]

}