res/layout/gallery_main.xml

<?xml version="1.0" encoding="utf-8"?>
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  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
  ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/drawerLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <!-- MAIN CONTENT -->

    <RelativeLayout
        android:id="@+id/gallery_root"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <include layout="@layout/gl_root_group" />
    </RelativeLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <include
            android:id="@+id/toolbar"
            layout="@layout/toolbar" />
    </LinearLayout>

    <RelativeLayout
        android:id="@+id/drawerPane"
        android:layout_width="270dp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:background="#fafafa"
        android:clickable="true" >

        <!-- Header -->

        <RelativeLayout
            android:id="@+id/header"
            android:layout_width="match_parent"
            android:layout_height="150dp"
            android:background="@drawable/drawer_bg" >

            <TextView
                android:id="@+id/appName"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:layout_marginBottom="16dp"
                android:layout_marginStart="16dp"
                android:fontFamily="sans-serif"
                android:text="@string/navigation_drawer_title"
                android:textColor="#ffffff"
                android:textSize="24sp" />
        </RelativeLayout>

        <ListView
            android:id="@+id/navList"
            android:layout_width="270dp"
            android:layout_height="match_parent"
            android:layout_below="@id/header"
            android:layout_marginTop="4dp"
            android:divider="@android:color/transparent" />
    </RelativeLayout>

</android.support.v4.widget.DrawerLayout>