title: Android Robotium NoClassDefFoundError
body: <p>I was just trying to use Robotium in an Android JUnit Test,
  but the Testing always fails with an error:</p>
  
  <p>java.lang.NoClassDefFoundError: com.jayway.android.robotium.solo.Solo</p>
  
  <p>thrown at solo = new Solo(getInstrumentation(), getActivity()); in the setUp() method:</p>
  
  <pre><code>protected void setUp() throws Exception {
      super.setUp();
      solo = new Solo(getInstrumentation(), getActivity());
  }
  </code></pre>
  
  <p>I read somewhere that this could be related to the Android SDK revision 17, but I cannot confirm this, as I first tried Robotium already with SDK 17.</p>
  
  <p>The Robotium jar is properly added to the project build path.</p>
  
  <p>Has anyone encountered similar problems?</p>
  
  <p>Regards
  K.</p>