<layer-list
	xmlns:android="http://schemas.android.com/apk/res/android">
	<item
		android:id="@android:id/background"
		android:drawable="@drawable/progressbar_bg" />
	<item
		android:id="@android:id/progress">
		<clip
			android:drawable="@drawable/progressbar" />
	</item>
</layer-list> 
