how to show divider line in autocompleteTextview?

Question

I am trying to show divider line in autoCompleteTextView. I have tried to show divider line many ways as well as i have also google but no any answer help me.please any one help me. i have also follow this answer but not achieve my result.

i am using style this

<style name="AppTheme" parent="@style/Theme.AppCompat.Light.DarkActionBar">
<item name="android:dropDownListViewStyle">@style/DropDownListViewStyle</item>
</style>
<style name="DropDownListViewStyle" parent="@style/Widget.AppCompat.ListView.DropDown">
<item name="android:divider">@android:color/transparent</item>
  <item name="android:dividerHeight">0dp</item>
</style>

Thanks in advance