title: how to regenerate android resource file (R.java) with working on Intellij
body: <p>I need to regenerate the resource file, I did these steps but it could not help.</p>
  
  <ol>
  <li>right click on the project</li>
  <li>click to force regenerate R.java file</li>
  </ol>
  
  <p>to clean the project was a solution on eclipse but I just started to develope a project on intellij and dont find any solution. anyone knows how do I regenerate the source file on intellij?</p>