title: Error when import existing Android project into Eclipse?
body: <p>I tried to import a project to eclipse as like this 
  link :  <a href="https://stackoverflow.com/questions/2231474/how-to-import-existing-android-project-into-eclipse">How to import existing Android project into Eclipse?</a>
  so when i try to open my imported files in eclipse it will appear this error message.what's the reason for that and how can i fix it.</p>
  
  <p><img src="https://i.stack.imgur.com/OClWm.jpg" alt="enter image description here"> </p>