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A Flutter ListView where the list items can be grouped into sections.

Grouped list package for Flutter. #

Pub CI

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: ^3.2.2

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!

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A Flutter ListView where the list items can be grouped into sections.

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License

unknown (license)

Dependencies

flutter

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