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Editorial Team
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Asked: 2026-05-23T12:01:40+00:00

I am trying to use a custom ExpandableListView with parent and child layout with

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I am trying to use a custom ExpandableListView with parent and child layout with a parent XML and child XML.

My data would be a server response. So I preferably would like to have data in the form of an Array List or Hash-map for parent and child layouts

I am enclosing the images of what I want.

Is there any way to change the expandable list arrow image(Default) by any + or – UI representation as shown below.

List

List1

Please suggest a tutorial or code logic for this specific situation .

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1 Answer

  1. Editorial Team

    In the meanwhile
    I have created an selector.xml as: 

    <?xml version="1.0" encoding="UTF-8"?>

<selector xmlns:android="schemas.android.com/apk/res/android" >

    <item
        android:drawable="@drawable/friend_small"
        android:state_expanded="true"/>

    <item android:drawable="@drawable/place_small"/>
</selector>

    and given in android:groupIndicator="@drawable/selector" in xml – friend_small and place small are my images of expand and collapsed state

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