facebook session expires in android
<p>i am using facebook api in my android project </p>

<pre><code>{"error":{"type":"OAuthException","message":"Error validating access token:
Session has expired at unix time 1307350800.
The current unix time is 1307352870."}}
</code></pre>

<p>My session expires....after a while....i want it as session never...expires</p>

<p>expecting piece a piece code..so that session never endsup</p>

<p>am using this for authorizing</p>

<pre><code>    facebook.authorize(SignIn.this,
                    new DialogListener() {
</code></pre>
