title: Twitter issues in old project
body: <p>Yesterday I got one old project when i am trying to compile the project i get following error</p>
  
  <p>Attribute is missing the Android namespace prefix in   </p>
  
  <pre><code> &lt;activity android:name="net.mxxxx.xxxxx.twitter.AuthTwitter" android:launchMode="singleTask" android:screenOrientation="portrait"&gt;
          &lt;intent-filter&gt;
              &lt;action android:name="android.intent.action.VIEW" /&gt;
              &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;category android:name="android.intent.category.BROWSABLE" /&gt;
              &lt;data host="twitterAuth" android:scheme="xxxxxx" /&gt;
          &lt;/intent-filter&gt;
      &lt;/activity&gt;
  </code></pre>
  
  <p>Minimum SDK was "7" i made it up to 13 , Please help why error is occurring</p>