web3_5230369/res/drawable/umeng_common_gradient_red.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
	android:shape="rectangle">
	<gradient android:startColor="#ff0000" android:endColor="#550000"
		android:type="linear" android:angle="90" />
	<corners android:radius="8dp" />
</shape>