setGroupIndicator(Drawable) : An indicator is drawn besides the group representing its state i.e.If the child is the last child for a group, the state state_last will be set setChildIndicator(Drawable) : This is used to show an indicator besides each item representing the current state.Following are some important methods that are used by this class : ExpandableListViewAdapter in android loads the data into the items associated with this view. It differs from a ListView by allowing two levels which are groups that can be easily expanded and collapsed by touching to view and their respective children items. Android ExpandableListViewĪndroid ExpandableListView is a view that shows items in a vertically scrolling two-level list. It’s sort of menu and submenus in a Android ListView. In this tutorial we’ll implement an ExpandableListView which is used to group list data by categories. Import .Welcome to Android ExpandableListView Example Tutorial. ListView.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE) Īlso note that MultipleSelectionModel has the selectedItems and selectedIndices properties, which are both observable lists that can be monitored to detect any multiple selections.Įxample 11-3 Adding ComboBoxListCell Items to a List View To enable multiple selection in a default ListView instance, use the following sequence of calls: However, the default value of the selectionMode property is SelectionMode.SINGLE. The default SelectionModel used when instantiating a ListView is an implementation of the MultipleSelectionModel abstract class. GetFocusModel().getFocusedItem() – Returns the currently focused item GetFocusModel().getFocusedIndex() – Returns the index of the currently focused item GetSelectionModel().getSelectedItem() – Returns the currently selected item GetSelectionModel().getSelectedIndex() – Returns the index of the currently selected items in a single-selection mode To obtain the current state of each item, use a combination of the following methods: Description of "Figure 11-3 Horizontal List View Control"Īt any time, you can track the selection and focus of the ListView object with the SelectionModel and FocusModel classes.
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