Send the following on WhatsApp
Continue to ChatAndroid ExpandableListView Add Footer Dynamically https://www.myandroidsolutions.com/2013/04/06/android-expandablelistview-add-footer-dynamically/
Android ExpandableListView Add Footer Dynamically https://www.myandroidsolutions.com/2013/04/06/android-expandablelistview-add-footer-dynamically/