title: Error while running Calendar project
body: <p>I have downloaded calendar project from <a href="https://github.com/android/platform_packages_apps_calendar" rel="noreferrer">https://github.com/android/platform_packages_apps_calendar</a> and now I'm trying to run that project. I imported the project to eclipse via <code>new --&gt; Android project from existing source</code>, it imported successfully but I'm getting a red exclamation mark in project, like this:</p>
  
  <p><img src="https://i.stack.imgur.com/oQHRh.png" alt="enter image description here"></p>
  
  <p>When I went to <code>properties &gt; Android</code> I'm seeing this:</p>
  
  <p><img src="https://i.stack.imgur.com/B5HlR.png" alt="enter image description here"></p>
  
  <p>It looks like the project is using some libraries but is not able to find in the workspace. How can I fix this?</p>