AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  - 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.
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.google.android.gcm.demo.app"
    android:versionCode="1"
    android:versionName="1.0">

    <!-- GCM requires Android SDK version 2.2 (API level 8) or above. -->
    <!-- The targetSdkVersion is optional, but it's always a good practice
         to target higher versions. -->
    <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="19"/>

    <!-- GCM connects to Google Services. -->
    <uses-permission android:name="android.permission.INTERNET" />

    <!-- GCM requires a Google account. -->
    <uses-permission android:name="android.permission.GET_ACCOUNTS" />

    <!-- Keeps the processor from sleeping when a message is received. -->
    <uses-permission android:name="android.permission.WAKE_LOCK" />

    <!--
     Creates a custom permission so only this app can receive its messages.

     NOTE: the permission *must* be called PACKAGE.permission.C2D_MESSAGE,
           where PACKAGE is the application's package name.
    -->
    <permission android:name="com.google.android.gcm.demo.app.permission.C2D_MESSAGE"
        android:protectionLevel="signature" />
    <uses-permission android:name="com.google.android.gcm.demo.app.permission.C2D_MESSAGE" />

    <!-- This app has permission to register and receive data message. -->
    <uses-permission
        android:name="com.google.android.c2dm.permission.RECEIVE" />

    <!-- Main activity. -->
    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:allowBackup="false"
        android:name="com.google.android.gcm.demo.app.DemoApplication">
        <activity
            android:name=".DemoActivity"
            android:label="@string/app_name"
            android:configChanges="orientation|keyboardHidden|screenSize"
                android:launchMode="singleTop">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <!--
          WakefulBroadcastReceiver that will receive intents from GCM
          services and hand them to the custom IntentService.

          The com.google.android.c2dm.permission.SEND permission is necessary
          so only GCM services can send data messages for the app.
        -->
        <receiver
            android:name=".GcmBroadcastReceiver"
            android:permission="com.google.android.c2dm.permission.SEND" >
            <intent-filter>
                <!-- Receives the actual messages. -->
                <action android:name="com.google.android.c2dm.intent.RECEIVE" />
                <category android:name="com.google.android.gcm.demo.app" />
            </intent-filter>
        </receiver>
        <service android:name=".GcmIntentService" />

        <!--
          Embed the version of Google Play services that the application
          was compiled with.
         -->
        <meta-data android:name="com.google.android.gms.version"
            android:value="@integer/google_play_services_version"/>

    </application>

</manifest>