how to choose color for slidingdrawer

i want to make drawer in xml with backcolor, and when i open the drawer i see the backcolor, but if i didnt open the drawer i dont see the backcolor.

this is what my xml look like-

<SlidingDrawer

    android:id="@+id/slidingD"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:content="@+id/content"
    android:handle="@+id/handle" 

    android:layout_marginTop="150dp">

    <Button
        android:id="@+id/handle"
        android:layout_width="wrap_content"

        android:layout_height="wrap_content"
        android:text="^" />


    <LinearLayout
        android:id="@+id/content"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <CheckBox
            android:id="@+id/cbSlidable"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="CheckBox" />
    </LinearLayout>
</SlidingDrawer>