java.lang.NoClassDefFoundError
<p>I am currently getting an ArrayDeque class def not found error when testing my app on my phone(version 2.2) however i dont get the error when run in an emulator (2.3.3) 
Heres the Error:</p>

<pre><code>java.lang.NoClassDefFoundError: java.util.ArrayDeque
</code></pre>

<p>Any help would be hugely appreciated.</p>
