divider: This is a drawable or color to draw between different group list items.īelow we draw red color divider between different group items. However, you can use wrap content if the ExpandableListView parent has a specific size, such as 200 pixels.Ģ. In other words we mean if the parent were ScrollView then you could not specify wrap_content since it can be of any length.

Important Note: You cannot use the value wrap_content for the height attribute of a ExpandableListView in XML if the parent’s size is not strictly specified. Adapters are used to supply or control the data that will be displayed in an ExpandableListView. We can attach listeners events to the ExpandableListView to listen for OnClick or any other events on the Group or the individual children.

Each group can be expanded or collapsed individually to show or hide its children items. Different from the listview by allowing two level groups which can individually be expanded to show its children. In Android, ExpandableListView is a View that shows items in a vertically scrolling two level list. ExpandableListView With Example In Android Studio

Expandable listview android studio