title: R.java file not getting generated
body: <p>I'm unable to the R.java problem in my half built Facebook app. I have selected the "Build automatically" option, I cleaned my project. I did all the recommended solutions to generate my R.java file.But still no success. I have 2 R.java in my "gen" folder. I have put a screenshot for better understanding.</p>
  
  <p><img src="https://i.stack.imgur.com/y5DXU.png" alt="enter image description here"></p>
  
  <p>all the buttons, textview and imageviews are not being recognized.</p>