title: NoClassDef error on Gingerbread
body: <p>I am getting a <code>NoClassDefFoundError</code> thrown from users of devices with Gingerbread and lower OS only. When the user clicks a button to view a list view populated with data from SQLite:</p>
  
  <pre><code>java.lang.NoClassDefFoundError: mooney.rotundalaboratoryusermanual.ViewListOfTests
  at mooney.rotundalaboratoryusermanual.MainMenu.onClick(MainMenu.java:334)
  at android.view.View.performClick(View.java:2532)
  at android.view.View$PerformClick.run(View.java:9308)
  at android.os.Handler.handleCallback(Handler.java:587)
  at android.os.Handler.dispatchMessage(Handler.java:92)
  at android.os.Looper.loop(Looper.java:143)
  at android.app.ActivityThread.main(ActivityThread.java:4293)
  at java.lang.reflect.Method.invokeNative(Native Method)
  at java.lang.reflect.Method.invoke(Method.java:507)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
  at dalvik.system.NativeStart.main(Native Method)
  </code></pre>
  
  <p>The trace refers to a <code>listactivity</code> but not sure why can't find the class....</p>