How to expand ListView in android?
How to expand ListView in android?
More videos on YouTube
- Create a new project in the Eclipse IDE from File ⇒ Android Application Project and fill all required details.
- In order to create an expandable list view, we need three xml layout files.
- Create another xml layout for list view group header.
- Create one more xml file named list_item.
What is Expandable ListView?
android.widget.ExpandableListView. A view that shows items in a vertically scrolling two-level list. This differs from the ListView by allowing two levels: groups which can individually be expanded to show its children. The items come from the ExpandableListAdapter associated with this view.
How to make Expandable view in android?
Approach
- Step 1: Create a New Project in Android Studio.
- Step 2: Add the CardView Dependency.
- Step 3: Add all the Required Drawable Resources in the Drawable Folder.
- Step 4: Modify the XML Layout.
- Step 5: Modify the Java File.
What is expanded menu in Android?
Android ExpandableListView is a view that shows items in a vertically scrolling two-level list. 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.
How do you expand collapse items in RecyclerView?
How to expand/collapse items in RecyclerView
- Step 1: Create a model class.
- Step 2: Create a layout for items.
- Step 3: Create an adapter.
- Step 4: Connect all the parts.
- Line 13: RecyclerView has built-in animations which usually add a nice polished effect. In our case, item fades out/fades in, making it look like a blink.
What is difference between ListView and RecyclerView in Android?
Summary. RecyclerView has greater support for LayoutManagement including vertical lists, horizontal lists, grids and staggered grids. ListView only supports vertical lists. ListView starts by default with dividers between items and requires customisation to add decorations.
What is an expandable list view in Android?
Android ExpandableListView is a view that shows items in a vertically scrolling two-level list. 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.
How to collapse all groups in listview Android?
@Override public void onGroupExpanded (int groupPosition) { //collapse the old expanded group, if not the same //as new group to expand if (groupPosition != lastExpandedGroupPosition) { listView.collapseGroup (lastExpandedGroupPosition); } super.onGroupExpanded (groupPosition); lastExpandedGroupPosition = groupPosition; }
How to collapse all groups in an expandable list?
In onGroupExpanded do the following. expandableList.setOnGroupExpandListener (new OnGroupExpandListener () { int previousItem = -1; @Override public void onGroupExpand (int groupPosition) { if (groupPosition != previousItem ) expandableList.collapseGroup (previousItem ); previousItem = groupPosition; } });
How to expand ListView in android? More videos on YouTube Create a new project in the Eclipse IDE from File ⇒ Android Application Project and fill all required details. In order to create an expandable list view, we need three xml layout files. Create another xml layout for list view group header. Create one more…