How to use Expandable list view in android?

In order to create an expandable list view, we need three xml layout files. First one is for main listview, 2nd one for list view group item and 3rd one is for list view child item. Open your activity_main. xml and add ExpandableListView element.

What is expandable list view?

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.

What is an expandable list view?

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.

What is bootstrapURLKeys?

bootstrapURLKeys takes two curly braces because it’s an object prop, and you have two key/values: key which points to your API key (wrapped in quotes), and the default language (I used ‘en’ for English).

Is react Google map free?

A React application set up. A Google Maps API key (it’s free)

How do you make an expandable view?

Expandable Cardview provides to create expansion panels without too much hassle and without writing boilerplate code….Approach

1. Step 1: Create a New Project in Android Studio.
2. Step 2: Add the CardView Dependency.
3. Step 3: Add all the Required Drawable Resources in the Drawable Folder.

How do you use collapsible in a sentence?

1. Last December, we bought a collapsible Christmas tree that can be easily folded and unfolded for simple storage. 2. The campers slept on collapsible cots that could be easily folded up and put away when not being used.

How do you get a child position in ExpandableListView?

You have to use Adapter’s getChild(groupPosition, childPosition) method to retrieve the instance of child.

What is an expandablelistview in Android?

An ExpandableListView is a view that shows items in a vertically scrolling two-level list. You can imagine it’s a form of a ListView given the name or the fact that it derives from it, however ExpandableListView is obviously more complex in that it’s view items can be expanded and collapsed. children shown when the groups are expanded.

What is xmlgregoriancalendar and should I use it?

This is simple: don’t use it. XMLGregorianCalendar is old too and has an old-fashioned design. As I understand it, it was used for producing dates and times in XML format for XML documents. Like 2009-05-07T19:05:45.678+02:00 or 2009-05-07T17:05:45.678Z.

How do I add padding to an expandable list view?

paddingLeft: set the padding from the left side of the Progress bar. paddingTop: set the padding from the top side of the expandable list view. paddingBottom: set the padding from the bottom side of the expandable list view. Padding: set the padding from the all side’s of the expandable list view.