title: ' Cleaning and building all projects is recommended'
body: <blockquote>
    <p>"The project cannot be built
    until its prerequisite upomp_Res is built. Cleaning and building all
    projects is recommended"</p>
  </blockquote>
  
  <p>When I build an android project as usual, an error occurred as above.
  Follow that infomation ,i cleaned my 'upomp_Res ' project and then cleaned my main project for  several times and the error still remains,and I reopend the project ,and even reopend my eclipse,it dosen't help,the error remains.</p>
  
  <p>How to solve this?
  Any suggestion would be appreciated.</p>