title: Code gets stuck at acquiring wake lock while registering with GCM
body: <p>I am using GCM for push notifications for my project, but am stuck at acquiring wake lock.</p>
  
  <p>Log message:</p>
  
  <pre><code>09-03 17:04:05.003: V/GCMBroadcastReceiver(5772): onReceive:com.google.android.c2dm.intent.REGISTRATION
  09-03 17:04:05.003: V/GCMBroadcastReceiver(5772): GCM IntentService class: example.pro.GCMIntentService
  09-03 17:04:05.049: V/GCMBaseIntentService(5772): Acquiring wakelock
  </code></pre>
  
  <p>Below is my manifest file:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="example.pro"
      android:versionCode="1"
      android:versionName="1.0" &gt;
      &lt;uses-sdk
          android:minSdkVersion="16"
          android:targetSdkVersion="17" /&gt;
      &lt;uses-permission android:name="android.permission.INTERNET" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
      &lt;!-- GCM requires a Google account. --&gt;
      &lt;uses-permission android:name="android.permission.GET_ACCOUNTS" /&gt;
      &lt;!-- Keeps the processor from sleeping when a message is received. --&gt;
      &lt;uses-permission android:name="android.permission.WAKE_LOCK" /&gt;
      &lt;!-- Creates a custom permission so only this app can receive its messages. --&gt;
      &lt;permission
          android:name="example.pro.permission.C2D_MESSAGE"
          android:protectionLevel="signature" /&gt;
      &lt;uses-permission android:name="example.pro.permission.C2D_MESSAGE" /&gt;
      &lt;!-- This app has permission to register and receive data message. --&gt;
      &lt;uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" /&gt;
      &lt;!-- Network State Permissions to detect Internet status --&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
      &lt;!-- Permission to vibrate --&gt;
      &lt;uses-permission android:name="android.permission.VIBRATE" /&gt;
      &lt;application
          android:name="com.thinkappz.advancedtictactoe.FriendPickerApplication"
          android:allowBackup="true"
          android:icon="@drawable/ic_launcher"
          android:label="@string/app_name"
          android:theme="@android:style/Theme.NoTitleBar" &gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.Splash"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="android.intent.action.MAIN" /&gt;
                  &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.google.ads.AdActivity"
              android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize" /&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.MainActivity"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name=".MainActivity" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.GcmMainActivity"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name=".GcmMainActivity" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.NewGame"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.NewGame" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.Vs_Facebook"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.Vs_Facebook" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.RandomPlayer"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.RandomPlayer" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.Register"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.Register" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.RegisterActivity"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.RegisterActivity" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.SendRequest"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.SendRequest" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.PickFriendsActivity"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.PickFriendsActivity" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.getFinishedGames"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.getFinishedGames" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;activity
              android:name="com.thinkappz.advancedtictactoe.HomeScreen"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="example.pro.HomeScreen" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
          &lt;meta-data
              android:name="com.facebook.sdk.ApplicationId"
              android:value="@string/app_id" /&gt;
          &lt;activity android:name="com.facebook.LoginActivity" /&gt;
          &lt;receiver
              android:name="com.google.android.gcm.GCMBroadcastReceiver"
              android:permission="com.google.android.c2dm.permission.SEND" &gt;
              &lt;intent-filter&gt;
                  &lt;!-- Receives the actual messages. --&gt;
                  &lt;action android:name="com.google.android.c2dm.intent.RECEIVE" /&gt;
                  &lt;!-- Receives the registration id. --&gt;
                  &lt;action android:name="com.google.android.c2dm.intent.REGISTRATION" /&gt;
                  &lt;category android:name="example.pro" /&gt;
              &lt;/intent-filter&gt;
          &lt;/receiver&gt;
          &lt;service android:name="com.thinkappz.advancedtictactoe.GCMIntentService" /&gt;
      &lt;/application&gt;
  &lt;/manifest&gt;
  </code></pre>
  
  <p>GCMIntentService----> This class file is inside <code>com.thinkappz.advancedtictactoe</code> package, but my R.java file is generated inside <code>example.pro</code>. I don't know why. </p>
  
  <pre><code>package com.thinkappz.advancedtictactoe;
  
  import javax.management.Notification;
  
  public class GCMIntentService extends GCMBaseIntentService {
  
      private static final String TAG = "GCMIntentService";
  
      public GCMIntentService() {
          super(SENDER_ID);
      }
  
      /**
       * Method called on device registered
       **/
      @Override
      protected void onRegistered(Context context, String registrationId) {
          Log.i(TAG, "Device registered: regId = " + registrationId);
          displayMessage(context, "Your device registred with GCM");
          Log.d("NAME", GcmMainActivity.name);
          ServerUtilities.register(context, GcmMainActivity.name,
              GcmMainActivity.email, registrationId);
      }
  
      /**
       * Method called on device un registred
       * */
      @Override
      protected void onUnregistered(Context context, String registrationId) {
          Log.i(TAG, "Device unregistered");
          displayMessage(context, getString(R.string.gcm_unregistered));
          ServerUtilities.unregister(context, registrationId);
      }
  
      /**
       * Method called on Receiving a new message
       * */
      @Override
      protected void onMessage(Context context, Intent intent) {
          Log.i(TAG, "Received message");
          String message = intent.getExtras().getString("price");
          displayMessage(context, message);
          // notifies user
          generateNotification(context, message);
      }
  
      /**
       * Method called on receiving a deleted message
       * */
      @Override
      protected void onDeletedMessages(Context context, int total) {
          Log.i(TAG, "Received deleted messages notification");
          String message = getString(R.string.gcm_deleted, total);
          displayMessage(context, message);
          // notifies user
          generateNotification(context, message);
      }
  
      /**
       * Method called on Error
       * */
      @Override
      public void onError(Context context, String errorId) {
          Log.i(TAG, "Received error: " + errorId);
          displayMessage(context, getString(R.string.gcm_error, errorId));
      }
  
      @Override
      protected boolean onRecoverableError(Context context, String errorId) {
          // log message
          Log.i(TAG, "Received recoverable error: " + errorId);
          displayMessage(context,
              getString(R.string.gcm_recoverable_error, errorId));
          return super.onRecoverableError(context, errorId);
      }
  
      /**
       * Issues a notification to inform the user that server has sent a message.
       */
      private static void generateNotification(Context context, String message) {
          int icon = R.drawable.ic_launcher;
          long when = System.currentTimeMillis();
          NotificationManager notificationManager = (NotificationManager) context
                  .getSystemService(Context.NOTIFICATION_SERVICE);
          Notification notification = new Notification(icon, message, when);
          String title = context.getString(R.string.app_name);
          Intent notificationIntent = new Intent(context, MainActivity.class);
          // set intent so it does not start a new activity
          notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
              | Intent.FLAG_ACTIVITY_SINGLE_TOP);
          PendingIntent intent = PendingIntent.getActivity(context, 0,
              notificationIntent, 0);
          notification.setLatestEventInfo(context, title, message, intent);
          notification.flags |= Notification.FLAG_AUTO_CANCEL;
          // Play default notification sound
          notification.defaults |= Notification.DEFAULT_SOUND;
          // notification.sound = Uri.parse("android.resource://" +
          // context.getPackageName() + "your_sound_file_name.mp3");
          // Vibrate if vibrate is enabled
          notification.defaults |= Notification.DEFAULT_VIBRATE;
          notificationManager.notify(0, notification);
      }
  }
  </code></pre>
  
  <p>I also tried <code>&lt;service android:name="example.pro.GCMIntentService" /&gt;</code> But then it is giving me an error while registering, saying that it can't instantiate service.</p>