Android compatibility, how to use view attributes that only work on newer versions?
<p>I'm sure this is an "easy" question, but I'm totally new to android and java. 
Basically there are certain attributes that have been changed on later versions eg:</p>

<pre><code>        android:configChanges="keyboardHidden|orientation"
</code></pre>

<p>(older)</p>

<pre><code>        android:configChanges="keyboardHidden|orientation|screenSize"
</code></pre>

<p>(newer)</p>

<p>What happens to older versions if I use the second option? Would they work correctly or not?</p>
