title: android XML file not recognized
body: <p>I created new android project in eclipse and created <code>MainActivity.java</code> and <code>activity_main.xml</code> files but the <code>activity_main.xml</code> file is not recognizing. <strong>Project-> clean-> clean all project</strong> does nothing . I deleted <code>import android.R</code> does nutting. What should i do? see the <a href="https://www.evernote.com/shard/s283/sh/ee91d785-da02-455d-af01-17174ea81261/e56c00357e4745bc7d1bf1667ff4ef39" rel="nofollow noreferrer">screenshot</a>. <a href="http://www.evernote.com/shard/s283/sh/0d0731e0-d0d7-4517-9116-bbe2922e647e/75e7af566cce3e4d91f310be99e2df2a" rel="nofollow noreferrer">R not generated in gen folder</a></p>
  
  <p><img src="https://i.stack.imgur.com/ayzIf.jpg" alt="enter image description here"></p>