grouped_list 3.2.1 grouped_list: ^3.2.1 copied to clipboard
A Flutter ListView where the list items can be grouped into sections.
Grouped list package for Flutter. #
A flutter ListView
in which list items can be grouped to sections.
Features
- List Items can be separated in groups.
- For the groups an individual header can be set.
- Almost all fields from
ListView.builder
available.
Getting Started #
Add the package to your pubspec.yaml:
grouped_list: ^3.2.1
In your dart file, import the library:
import 'package:grouped_list/grouped_list.dart';
Instead of using a ListView
create a GroupedListView
Widget:
GroupedListView<dynamic, String>(
elements: _elements,
groupBy: (element) => element['group'],
groupSeparatorBuilder: (String groupByValue) => Text(groupByValue),
itemBuilder: (context, dynamic element) => Text(element['name']),
order: GroupedListOrder.ASC,
),
Parameters: #
Name | Description | Required | Default value |
---|---|---|---|
elements |
A list of the data you want to display in the list | required | - |
groupBy |
Function which maps an element to its grouped value | required | - |
itemBuilder / indexedItemBuilder |
Function which returns an Widget which defines the item. indexedItemBuilder provides the current index as well. If both are defined indexedItemBuilder is preferred |
yes, either of them | - |
groupSeparatorBuilder |
Function which gets the groupBy -value and returns an Widget which defines the group header separator |
required | - |
separator |
A Widget which defines a separator between items inside a group | no | no separator |
order |
Change to GroupedListOrder.DESC to reverse the group sorting |
no | GroupedListOrder.ASC |
You can also use most fields from the ListView.builder
constructor.
Other packages : #
Check out my other package StickyGroupedList, which is based on the scrollable_positioned_list and comes with sticky headers!