hostage/res/drawable/panel_warning_bg.xml

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">
	<!-- White Top color -->
	<item android:bottom="4px">

		<shape android:shape="rectangle">

			<solid android:color="@color/holo_red" />
			<corners android:radius="4dp" />

		</shape>

	</item>
</selector>