res/drawable/divider_gradient.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <gradient
        android:startColor="#00FFFFFF"
        android:centerColor="#4FFFFFFF"
        android:endColor="#00FFFFFF"
        android:angle="0" />
        
</shape>
1	<?xml version="1.0" encoding="utf-8"?>
2	<shape xmlns:android="http://schemas.android.com/apk/res/android"
3	android:shape="rectangle">
4	<gradient
5	android:startColor="#00FFFFFF"
6	android:centerColor="#4FFFFFFF"
7	android:endColor="#00FFFFFF"
8	android:angle="0" />
9
10	</shape>