title: Navigation Drawer breaking layout
body: <p>Trying to add a Navigation Drawer which is breaking my layout. The main layout has some buttons, an Edit Text box and a Listview. The drawer also has a list view. When I add the drawer, the Listview on the main layout takes on a grey colour and takes over the entire screen. The drawer however, works as expected. </p>
  
  <p>Here are my layout files:</p>
  
  <pre><code>&lt;android.support.v4.widget.DrawerLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="1000dp"
  android:id="@+id/drawer_layout"
  tools:context=".Departures"
  android:weightSum="3" &gt;
  
  &lt;!-- The main content view --&gt;
  
  &lt;TextView
      android:id="@+id/textView1"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_gravity="center_horizontal"
      android:layout_marginBottom="12dp"
      android:layout_marginTop="12dp"
      android:gravity="center_horizontal"
      android:text="@string/activity_departures"
      android:textSize="24sp" /&gt;
  
  &lt;TextView
      android:id="@+id/div_bar_1"
      android:layout_width="match_parent"
      android:layout_height="2dp"
      android:layout_marginBottom="7dp"
      android:background="#666666"
      android:text="@string/empty" /&gt;
  
  &lt;LinearLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content" &gt;
  
      &lt;Button
          android:id="@+id/terminal_1_btn"
          style="@style/navigation_btn"
          android:layout_width="0dp"
          android:layout_height="wrap_content"
          android:layout_marginLeft="10dp"
          android:layout_marginRight="5dp"
          android:layout_weight="1.5"
          android:background="@drawable/navigation_btn"
          android:minHeight="2dp"
          android:text="@string/terminal_1_btn" /&gt;
  
      &lt;Button
          android:id="@+id/terminal_2_btn"
          style="@style/navigation_btn"
          android:layout_width="0dp"
          android:layout_height="wrap_content"
          android:layout_marginLeft="5dp"
          android:layout_marginRight="10dp"
          android:layout_weight="1.5"
          android:background="@drawable/navigation_btn"
          android:minHeight="2dp"
          android:text="@string/terminal_2_btn" /&gt;
  &lt;/LinearLayout&gt;
  
  &lt;TextView
      android:id="@+id/div_bar_2"
      android:layout_width="match_parent"
      android:layout_height="1dp"
      android:layout_marginBottom="7dp"
      android:layout_marginTop="7dp"
      android:background="#999999"
      android:text="@string/empty" /&gt;
  
  &lt;LinearLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content" &gt;
  
      &lt;Button
          android:id="@+id/button1"
          style="@style/navigation_btn"
          android:layout_width="0dp"
          android:layout_height="wrap_content"
          android:layout_marginLeft="10dp"
          android:layout_weight="1"
          android:background="@drawable/navigation_btn"
          android:minHeight="2dp"
          android:text="@string/today_btn" /&gt;
  
      &lt;Button
          android:id="@+id/button2"
          style="@style/navigation_btn"
          android:layout_width="0dp"
          android:layout_height="wrap_content"
          android:layout_marginLeft="10dp"
          android:layout_marginRight="10dp"
          android:layout_weight="1"
          android:background="@drawable/navigation_btn"
          android:minHeight="2dp"
          android:text="@string/tomorrow_btn" /&gt;
  
      &lt;Button
          android:id="@+id/button3"
          style="@style/navigation_btn"
          android:layout_width="0dp"
          android:layout_height="wrap_content"
          android:layout_marginRight="10dp"
          android:layout_weight="1"
          android:background="@drawable/navigation_btn"
          android:minHeight="2dp"
          android:text="@string/variable" /&gt;
  &lt;/LinearLayout&gt;
  
  &lt;TextView
      android:id="@+id/div_bar_3"
      android:layout_width="match_parent"
      android:layout_height="1dp"
      android:layout_marginBottom="7dp"
      android:layout_marginTop="7dp"
      android:background="#999999"
      android:text="@string/empty" /&gt;
  
  &lt;EditText
      android:id="@+id/searchFlights"
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      android:layout_marginLeft="10dp"
      android:layout_marginRight="10dp"
      android:hint="@string/search_flights"
      android:inputType="text"
      android:textSize="14sp" /&gt;
  
  &lt;TextView
      android:id="@+id/div_bar_2"
      android:layout_width="match_parent"
      android:layout_height="1dp"
      android:layout_marginBottom="7dp"
      android:layout_marginTop="7dp"
      android:background="#999999"
      android:text="@string/empty" /&gt;
  
  &lt;ListView
      android:id="@android:id/list"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"&gt;
  &lt;/ListView&gt;
  
  &lt;!-- The navigation drawer --&gt;
  
  &lt;include layout="@layout/navigation_drawer" /&gt;
  
   &lt;/android.support.v4.widget.DrawerLayout&gt;
  </code></pre>
  
  <p>The include file:</p>
  
  <pre><code>    &lt;!-- The navigation drawer --&gt;
  &lt;ListView xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/left_drawer"
  android:layout_width="160dp"
  android:layout_height="match_parent"
  android:layout_gravity="start"
  android:background="#fff"
  android:choiceMode="singleChoice"
  android:divider="@android:color/transparent"
  android:dividerHeight="0dp" &gt;
  </code></pre>
  
  <p></p>
  
  <p>The Drawer Listitem:</p>
  
  <pre><code>   &lt;TextView xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/drawer_list_item"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:textAppearance="?android:attr/textAppearanceListItemSmall"
  android:gravity="center_vertical"
  android:paddingLeft="16dp"
  android:paddingRight="16dp"
  android:textColor="#000"
  android:background="?android:attr/activatedBackgroundIndicator"
  android:minHeight="?android:attr/listPreferredItemHeightSmall"/&gt;
  </code></pre>
  
  <p>The height of the root element (1000dp) is only to address a display issue on the emulator.
  Help! I'm stuck on this for hours...</p>