Answers for "how to add a divider android xml"

divider android

<View
    android:layout_width="match_parent"
    android:layout_height="1dp"
    android:background="@android:color/darker_gray"/>

android separator line in view

<View
 android:id="@+id/view1"
 android:layout_width="fill_parent"
 android:layout_height="2dp"
 android:layout_alignParentRight="true"
 android:layout_below="@+id/textView1"
 android:layout_marginTop="20dp"
 android:background="#ff9703" />