<com.dk.view.FolderDrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#c0c0c0" >

    <!-- The main content view -->

    <FrameLayout
        android:id="@+id/content_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
    
    <!-- The navigation drawer -->

    <LinearLayout
        android:id="@+id/left_drawer"
        android:layout_width="240dp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:orientation="vertical" >

        <LinearLayout
            android:id="@+id/left_drawer_sub"
            android:layout_width="240dp"
            android:layout_height="match_parent"
            android:background="#ffffff"
            android:orientation="vertical" >


            <!- Views you want use in Drawer ->
               <Button
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="something" />

            <Button
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="something" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Dean Ding \n 93440331@qq.com" />

        </LinearLayout>
    </LinearLayout>
</com.dk.view.FolderDrawerLayout>