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<FrameLayout
  android:layout_width="match_parent"
  android:layout_height="match_parent"
>
   <!-- This is the Lower Layer hosting the navbar -->
   <LinearLayout
      android:layout_width="match_parent"
      android:layout_height="match_parent"
   >
      <!-- ListView representing the navbar -->
      <ListView 
       />
   </LinearLayout>

   <!-- This is the Top Layer hosting the Content -->
   <FrameLayout 
      android:layout_width="match_parent"
      android:layout_height="match_parent"
   > 
      <!-- This is where the View of the Content will be injected -->
   </FrameLayout>
</FrameLayout>