title: java missing required source folder: 'gen'
body: <p>I just reformatted my computer. I have windows xp sp3 32 bit.
  I install java jdk
  android sdk
  eclipse ide</p>
  
  <p>When I go to make a new android project i get this error.</p>
  
  <p>Project 'HelloAndroid2' is missing required source folder: 'gen'</p>
  
  <p>Please help i'm new to eclipse so give detail responses.</p>