edu.mines.letschat.GcmBroadcastReviever.java Source code

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Here is the source code for edu.mines.letschat.GcmBroadcastReviever.java

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/*
 * Copyright 2013 Google Inc.
 *
 * 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 edu.mines.letschat;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.support.v4.content.WakefulBroadcastReceiver;
import android.util.Log;

/**
 * This {@code WakefulBroadcastReceiver} takes care of creating and managing a
 * partial wake lock for your app. It passes off the work of processing the GCM
 * message to an {@code IntentService}, while ensuring that the device does not
 * go back to sleep in the transition. The {@code IntentService} calls
 * {@code GcmBroadcastReceiver.completeWakefulIntent()} when it is ready to
 * release the wake lock.
 */

public class GcmBroadcastReviever extends WakefulBroadcastReceiver {

    public static final String PROPERTY_REG_ID = "registration_id";
    private static final String PROPERTY_APP_VERSION = "appVersion";

    @Override
    public void onReceive(Context context, Intent intent) {
        Log.v("GCM Demo", "in on reviece");
        // Explicitly specify that GcmIntentService will handle the intent.
        ComponentName comp = new ComponentName(context.getPackageName(), GcmIntentService.class.getName());
        // Start the service, keeping the device awake while it is launching.
        startWakefulService(context, (intent.setComponent(comp)));
        setResultCode(Activity.RESULT_OK);

        String regId = intent.getExtras().getString("registration_id");
        if (regId != null && !regId.equals("")) {
            /* Do what ever you want with the regId eg. send it to your server */
            Log.v("PLEASE WORK", regId);
            final SharedPreferences prefs = getGcmPreferences(context);
            String password = prefs.getString("password", "");
            String username = prefs.getString("username", "");
            new RegisterUser("registerUser", regId, username, password).execute();
            int appVersion = getAppVersion(context);
            SharedPreferences.Editor editor = prefs.edit();
            editor.putString(PROPERTY_REG_ID, regId);
            editor.putInt(PROPERTY_APP_VERSION, appVersion);
            editor.commit();
        }
    }

    /**
    * @return Application's version code from the {@code PackageManager}.
    */
    private static int getAppVersion(Context context) {
        try {
            PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
            return packageInfo.versionCode;
        } catch (NameNotFoundException e) {
            // should never happen
            throw new RuntimeException("Could not get package name: " + e);
        }
    }

    /**
    * @return Application's {@code SharedPreferences}.
    */
    private SharedPreferences getGcmPreferences(Context context) {
        // This sample app persists the registration ID in shared preferences, but
        // how you store the regID in your app is up to you.
        return context.getSharedPreferences(MainActivity.class.getSimpleName(), Context.MODE_PRIVATE);
    }
}