title: Android SDK in Eclipse gives error about expired certificate
body: <p>When building Android project in Eclipse, Android SDK gives error like this:</p>
  
  <p>error:</p>
  
  <pre><code> Description    Resource    Path    Location    Type
  1) Error generating final archive: Debug Certificate expired on 7/9/11 6:31 PM     MapByLocation        Unknown Android Packaging Problem
  
  
  
   2)Error generating final archive: Debug Certificate expired on 7/9/11 6:31 PM  PageCurlAnimation       Unknown Android Packaging Problem
  </code></pre>
  
  <p>I do not know how to solve. please help me. </p>