res/drawable/horizontal_divider.xml

<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="line" >

    <stroke
        android:width="1dp"
        android:color="#29757575" />

    <size android:height="2dp" />

</shape>
1	<shape xmlns:android="http://schemas.android.com/apk/res/android"
2	android:shape="line" >
3
4	<stroke
5	android:width="1dp"
6	android:color="#29757575" />
7
8	<size android:height="2dp" />
9
10	</shape>