title: Android + Facebook Connect not working in release build
body: <p>I have an Android application that allows the user to connect to his Facebook account and automatically make a post on his wall.</p>
  
  <p>All this is perfectly working with the debug build (using either the fallback webview dialog or the native application activity). I am using the latest Facebook Connect API for Android.</p>
  
  <p>When testing the release version of the application, I noticed that the fallback webview dialog does not allow to connect to Facebook (after entering the username/password, it shows a standard 404 page that says it could not find the page fbconnect:/success/#access_token=3213546...)</p>
  
  <p>I suspect proguard has stripped some code but I cannot figure out how to determine what is causing the problem. Could anybody give some clues and get me going in the right direction?</p>
  
  <p>My proguard.cfg file contains the following lines to leave Facebook Connect alone:</p>
  
  <pre><code>-keep class com.facebook.android.*
  -keepclassmembers public class com.facebook.android.Facebook { 
      public static final *; 
  }
  </code></pre>
  
  <p>In usage.txt I can see the facebook classes, string members, ...</p>