How to remove specific space between parent and child in an ExpandableListView

Question

Can you help me identify why there is a space between the group and the child? In my case I want spaces between all groups and the child should be right below the group with no

Answer 1

Use negative margin for child view in view_departure_details.Something like this:

I know some people consider it a bad practice to use negative margin but right it seems to be the easiest way.

Other way(the time-consuming way) is to implement you own expandable listview so that you have more control on how things are drawn.