How to create Expandable list view in Android?

How to create 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?

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.

How do you make an expandable list in react native?

Contents in this project React Native Expandable ListView in Android iOS Example Tutorial.

1. Import Alert, LayoutAnimation, StyleSheet, View, Text, ScrollView, UIManager, TouchableOpacity, Platform, Image component in your App.
2. Create a class named as Expandable_ListView.
3. Create constructor() in Expandable_ListView class.

Which of the following adapters are used in Android for supplying data in an ExpandableListView?

BaseExpandableListAdapter is a base class for the expandable list adapter used to provide data and Views from some data to ExpandableListView.

What is the RecyclerView in Android?

RecyclerView is the ViewGroup that contains the views corresponding to your data. It’s a view itself, so you add RecyclerView into your layout the way you would add any other UI element. Each individual element in the list is defined by a view holder object.

How do you get a child position in ExpandableListView?

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

What is a ListView in android?

Android ListView is a ViewGroup that is used to display the list of items in multiple rows and contains an adapter that automatically inserts the items into the list. The main purpose of the adapter is to fetch data from an array or database and insert each item that placed into the list for the desired result.

How do I create a list view in react native?

React Native ListView is a view component which contains the list of items and displays in a vertical scrollable list. The minimum API to create list view is ListView. DataSource. It populates a simple array of data blobs, and instantiate a ListView component with data source and a renderRow callback.

How do you make a collapsible header in react native?

React Native collapsible header example

1. Create an Animated. Value scrollY and attach it to the ScrollView’s onScroll to listen to scroll events.
2. Create interpolation animations on the Animated. Value scrollY.
3. Assign the above interpolation animation as styles to the views of the header.

How do you get a child position in Expandablelistview?

Which is better ListView or RecyclerView?

Simple answer: You should use RecyclerView in a situation where you want to show a lot of items, and the number of them is dynamic. ListView should only be used when the number of items is always the same and is limited to the screen size.

What is the use of expandablelistview in Android?

Android ExpandableListView. 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. ExpandableListViewAdapter in android loads…

How to create an expandable cardview in Android using Java?

It is used in a variety of apps, for example, the Contacts app or the Gallery app. Here, in this tutorial, we’ll create a simple Expandable CardView in Android using Java. Click on File, then New => New Project. Choose “Empty Activity” for the project template. Select language as Java. Select the minimum SDK as per your need.

How to populate child rows in expandablelistview using Java?

The child rows data is populated in a HashMap where the key is the header MenuModel and the values are the list of child MenuModels. In the onGroupClick and onChildClick Listeners of the ExpandableListView, we retrieve the url for the current position and load them in the WebView of our Activity. Let’s look at the ExpandableListAdapter.java class.

What are the best listview custom adapters for Android?

Android ListView Custom Adapter 34. Android ViewFlipper 35. Android ButterKnife 36. Android Non Scrollable ListView 37. Android JSONObject 38. Android XML Parser 39. Android Runtime Permissions 40. Android Data Binding 41. Android Data Binding Advanced 42. Retrofit Android 43. OkHttp Android 44. Android Login Registration App 45.