flutter_im_list
flutter_im_list
is a high-performance, lightweight Flutter chat list package. It can help you quickly create a WeChat-like chat list effect.
Content
Screenshots
OverallLong pressInputtingGIF
Examples
Video tutorial.
Getting started
Step 1: Add dependencies
Run in the project root directory:
flutter pub add flutter_im_list
Step 2: Initialize ChatController
@override void initState() { super.initState(); chatController = ChatController( initialMessageList: _messageList, timePellet: 60, scrollController: ScrollController()); }
Step 3: Add ChatList to the layout
@override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text(widget.title), ), body: ChatList( chatController: chatController, )); }
Step 4: Set initialization data
final List<MessageModel> _messageList = [ MessageModel( id: 1, content: "介绍下《ChatGPT + Flutter快速开发多端聊天机器人App》", ownerType: OwnerType.sender, createdAt: 1696142392000, avatar: 'https://o.devio.org/images/o_as/avatar/tx18.jpeg', ownerName: "Jack"), MessageModel( id: 2, content: "当前ChatGPT应用如雨后春笋般应运而生,给移动端开发者也带来了极大的机会。本课程将整合ChatGPT与Flutter高级技术,手把手带你从0到1开发一款可运行在多端的聊天机器人App,帮助你抓住机遇,快速具备AI运用能力,成为移动端领域的AI高手。@https://coding.imooc.com/class/672.html", ownerType: OwnerType.receiver, createdAt: 1696142393000, avatar: 'https://o.devio.org/images/o_as/avatar/tx2.jpeg', ownerName: "ChatGPT"), ];
If not, you can assign _messageList to []。
To learn more see Video tutorial
API
IChatController
abstract class IChatController { /// Used to add message in message list. void addMessage(MessageModel message); /// Delete message. void deleteMessage(MessageModel message); /// Function for loading data while pagination. void loadMoreData(List<MessageModel> messageList); }
ChatController
class ChatController implements IChatController { /// Represents initial message list in chat which can be add by user. final List<MessageModel> initialMessageList; final ScrollController scrollController; ///Provide MessageWidgetBuilder to customize your bubble style. final MessageWidgetBuilder? messageWidgetBuilder; ///creation time group; unit second final int timePellet; List<int> pelletShow = []; ChatController({required this.initialMessageList, required this.scrollController, required this.timePellet, this.messageWidgetBuilder}) { for (var message in initialMessageList.reversed) { inflateMessage(message); } } ...
ChatList
class ChatList extends StatefulWidget { /// Provides controller for accessing few function for running chat. final ChatController chatController; /// The amount of space by which to inset the children. final EdgeInsetsGeometry? padding; /// Called when the user taps this part of the material. final OnBubbleClick? onBubbleTap; /// Called when the user long-presses on this part of the material. final OnBubbleClick? onBubbleLongPress; /// support text select final HiSelectionArea? hiSelectionArea; const ChatList( {super.key, required this.chatController, this.padding, this.onBubbleTap, this.onBubbleLongPress, this.hiSelectionArea}); @override State<ChatList> createState() => _ChatListState(); }
To learn more see Video tutorial
Contribution
Issues are welcome. Please add a screenshot of you bug and a code snippet. Quickest way to solve issue is to reproduce it in one of the examples.
Pull requests are welcome. If you want to change the API or do something big it is best to create an issue and discuss it first.