This week's book giveaway is in the Design forum. We're giving away four copies of Experimentation for Engineers: From A/B testing to Bayesian optimization and have David Sweet on-line! See this thread for details.
Your content must have a ListView whose id attribute is 'android.R.id.list'
The above is the key line from your exception trace. You are apparently extending ListActivity, yet your layout does not have a ListView with android:id="@id/android:list"