com.solidparts.gifts.gcm.RegistrationIntentService.java Source code

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Here is the source code for com.solidparts.gifts.gcm.RegistrationIntentService.java

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/**
 * 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.solidparts.gifts.gcm;

import android.app.IntentService;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.preference.PreferenceManager;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;
import android.view.View;

import com.google.android.gms.gcm.GcmPubSub;
import com.google.android.gms.gcm.GoogleCloudMessaging;
import com.google.android.gms.iid.InstanceID;
import com.solidparts.gifts.MessageManager;
import com.solidparts.gifts.R;
import com.solidparts.gifts.dto.UserDTO;
import com.solidparts.gifts.service.UserService;

import java.io.IOException;

public class RegistrationIntentService extends IntentService {

    private static final String TAG = "RegIntentService";
    private static final String[] TOPICS = { "global" };
    private UserDTO userDTO = null;

    private UserService userService;
    private MessageManager messageManager;

    public RegistrationIntentService() {
        super(TAG);
    }

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

        userDTO = (UserDTO) intent.getSerializableExtra("userDTO");

        userService = new UserService(this);
        messageManager = new MessageManager();

        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);
            // [END get_token]
            Log.i(TAG, "GCM Registration Token: " + token);

            // TODO: Implement this method to send any registration to your app's servers.
            if (userDTO.getGcm_regid() == null || userDTO.getGcm_regid().equals("")) {
                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();
            // [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(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(String token) {
        String tokenToStore = token;
        userDTO.setGcm_regid(token);

        try {
            UpdateUserTask updateUserTask = new UpdateUserTask();
            UserDTO[] users = new UserDTO[1];
            users[0] = userDTO;
            updateUserTask.execute(users);
        } catch (ActivityNotFoundException anfe) {
            //on catch, show the download dialog
            //showDialog(SearchActivity.this, "No Scanner Found", "Download a scanner code activity?", "Yes", "No").show();
        }
        // 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]

    private class UpdateUserTask extends AsyncTask<UserDTO, Integer, Boolean> {

        @Override
        protected Boolean doInBackground(UserDTO... userDTO) {
            try {
                userService.updateUser(userDTO[0]);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
            }

            return true;
        }

        @Override
        protected void onPostExecute(Boolean success) {
            //findViewById(R.id.progressBar).setVisibility(View.GONE);
            //enableButtons();
            if (success) {
                messageManager.show(getApplicationContext(), "User Token Saved!", false);
            } else
                messageManager.show(getApplicationContext(), "User Token not saved!", false);

            //startActivity(new Intent(AddItemActivity.this, MainActivity.class));
        }

        @Override
        protected void onPreExecute() {
            //findViewById(R.id.progressBar).setVisibility(View.VISIBLE);
            //disableButtons();
        }
    }

}