Cannot be resolved to a type
<p>When I create project from exiting source it give number of error of not being resolved.
what is the the actual problem and How to remove it ?</p>

<p>Error such as</p>

<pre><code>ActionBar cannot be resolved to a type
ActionMode cannot be resolved to a type
ActionBar cannot be resolved to a varialbe
Cursor loader cannot be resolved to type
</code></pre>
