title: No resource identifier found for attribute 'showAsAction'
body: <p>I have the following error when trying to implement an Action Bar in my project. 
  I do not know enough about Action Bar, someone could give me some help link</p>
  
  <p>My Manifest</p>
  
  <pre><code>&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.androidaz.scanner"
  android:versionCode="1"
  android:versionName="1.0" &gt;
  &lt;uses-sdk android:minSdkVersion="8"
      android:targetSdkVersion="11"/&gt;
  
  &lt;uses-permission android:name="android.permission.CAMERA"/&gt;
  &lt;uses-permission android:name="android.permission.INTERNET"/&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
  &lt;uses-permission android:name="android.permission.VIBRATE"/&gt;
  &lt;uses-permission android:name="android.permission.FLASHLIGHT"/&gt;
  &lt;uses-permission android:name="android.permission.READ_CONTACTS"/&gt;
  &lt;uses-permission android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS"/&gt;
  &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/&gt;
  &lt;uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/&gt;
  
  &lt;application
      android:icon="@drawable/ic_launcher"
      android:label="@string/app_name"&gt;
      &lt;activity
           android:name=".SplashScreenActivity"
           android:label="@string/app_name" 
           android:theme="@android:style/Theme.NoTitleBar"
           android:screenOrientation="portrait"&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;/application&gt;
  </code></pre>
  
  <p></p>
  
  <p>My menú</p>
  
  <pre><code>&lt;menu xmlns:android="http://schemas.android.com/apk/res/android" &gt;
  &lt;item
      android:id="@+id/menu_settings"
      android:showAsAction="never"
      android:title=""/&gt;&lt;/menu&gt;
  </code></pre>