controldna/res/layout/route_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/listview"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >
    </ListView>
    
    <TextView
        android:id="@id/android:empty"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dip"
        android:text="@string/device_list_empty"
        android:layout_centerInParent="true"
        android:gravity="center" />
    
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
    	android:orientation="vertical"
    	android:id="@+id/controls"
    	android:visibility="visible" >
    	
    	<SeekBar
	        android:id="@+id/progressBar"
	        android:layout_width="match_parent"
	        android:layout_height="wrap_content" />
	
	    <LinearLayout
	        android:layout_width="match_parent"
	        android:layout_height="wrap_content"
    		android:gravity="center" >
	        
		    <ImageButton
		        android:id="@+id/previous"
		        android:layout_width="wrap_content"
		        android:layout_height="wrap_content"
		        android:contentDescription="@string/previous" />
	        
		    <ImageButton
		        android:id="@+id/playpause"
		        android:layout_width="wrap_content"
		        android:layout_height="wrap_content"
		        android:contentDescription="@string/play" />
	        
		    <ImageButton
		        android:id="@+id/next"
		        android:layout_width="wrap_content"
		        android:layout_height="wrap_content" 
		        android:contentDescription="@string/next" />
		    
	    </LinearLayout>
	    
    </LinearLayout>

</RelativeLayout>