title: NavigationView and custom Layout
body: <p>I'm using the Designs Support Libraries <code>NavigationView</code> like this:</p>
  
  <pre><code>&lt;android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto"
      android:id="@+id/drawer_layout"
      android:layout_height="match_parent"
      android:layout_width="match_parent"
      android:fitsSystemWindows="true"&gt;
  
      &lt;!-- put your main layout here --&gt;
      &lt;include layout="@layout/drawer_main_layout"/&gt;
  
      &lt;android.support.design.widget.NavigationView
          android:id="@+id/nav_view"
          android:layout_height="match_parent"
          android:layout_width="wrap_content"
          android:layout_gravity="start"
          android:fitsSystemWindows="true"
          app:headerLayout="@layout/nav_header"
          app:menu="@menu/drawer_view"/&gt;
  
  &lt;/android.support.v4.widget.DrawerLayout&gt;
  </code></pre>
  
  <p>And I have set this menu:</p>
  
  <pre><code>&lt;menu xmlns:android="http://schemas.android.com/apk/res/android"&gt;
  
      &lt;group android:checkableBehavior="single"&gt;
          &lt;item
              android:id="@+id/nav_home"
              android:icon="@drawable/ic_dashboard"
              android:title="Home" /&gt;
          &lt;item
              android:id="@+id/nav_messages"
              android:icon="@drawable/ic_event"
              android:title="Messages" /&gt;
          &lt;item
              android:id="@+id/nav_friends"
              android:icon="@drawable/ic_headset"
              android:title="Friends" /&gt;
          &lt;item
              android:id="@+id/nav_discussion"
              android:icon="@drawable/ic_forum"
              android:title="Discussion" /&gt;
      &lt;/group&gt;
  
      &lt;item android:title="Sub items"&gt;
          &lt;menu&gt;
              &lt;item
                  android:icon="@drawable/ic_dashboard"
                  android:title="Sub item 1" /&gt;
              &lt;item
                  android:icon="@drawable/ic_forum"
                  android:title="Sub item 2" /&gt;
          &lt;/menu&gt;
      &lt;/item&gt;
  
  &lt;/menu&gt;
  </code></pre>
  
  <p>Is there any way to use the NavigationView with a layout rather than a menu?</p>