feat:更新消息通知功能

lib/pages/chat_page.dart

@@ -3,6 +3,7 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:liquid_glass_widgets/liquid_glass_widgets.dart';
 import 'package:sweet_chat_app/apis/message_api.dart';
+import 'package:sweet_chat_app/config/AppConfig.dart';
 import 'package:sweet_chat_app/models/chat_message.dart';
 import 'package:sweet_chat_app/models/contact_info.dart';
 import 'package:sweet_chat_app/models/im_message.dart';
@@ -27,8 +28,10 @@ class _ChatPageState extends State<ChatPage> {
   late StreamSubscription<String> _msgSub;
   final TextEditingController _textController = TextEditingController();
   final ScrollController _scrollController = ScrollController();
-
+  final FocusNode _focusNode = FocusNode();
+  
   late int userId;
+  late String nickname;
   late String avatarUrl;
   late List<ChatMessage> _messages;
 
@@ -37,16 +40,23 @@ class _ChatPageState extends State<ChatPage> {
     super.initState();
 
     userId = SpUtil.getInt('userId') ?? 0;
+    nickname = SpUtil.getString('nickname') ?? '';
     avatarUrl = SpUtil.getString('avatarUrl') ?? '';
     
     _messages = [];
     _loadChatMessage();
 
-    _msgSub = WebSocketService().messages.listen((websocketMessage) {
-      _handleMessage(websocketMessage);
-      _textController.clear();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
       scrollToBottom();
     });
+
+    listenMessage();
+
+    _focusNode.addListener(() {
+      if (_focusNode.hasFocus) {
+        Future.delayed(const Duration(milliseconds: 350), scrollToBottom);
+      }
+    });
   }
 
   Future<void> _loadChatMessage() async {
@@ -58,10 +68,19 @@ class _ChatPageState extends State<ChatPage> {
       _messages = list;
     });
   }
+  
+  void listenMessage() {
+    WebSocketService().connect('${AppConfig.wsUrl}?userId=$userId');
+    _msgSub = WebSocketService().messages.listen((websocketMessage) {
+      _handleMessage(websocketMessage);
+      scrollToBottom();
+    });
+  }
 
   @override
   void dispose() {
     _msgSub.cancel();
+    _focusNode.dispose();
     _textController.dispose();
     _scrollController.dispose();
     super.dispose();
@@ -73,11 +92,13 @@ class _ChatPageState extends State<ChatPage> {
 
     final chat = ImMessage(
       type: ImMessageType.chatPrivate,
+      title: nickname,
       from: userId.toString(),
       to: widget.contactInfo.id.toString(),
       content: text,
     );
     WebSocketService().send(chat.toJsonString());
+    _textController.clear();
   }
 
   bool checkIsMe(ChatMessage message) {
@@ -94,7 +115,7 @@ class _ChatPageState extends State<ChatPage> {
         _messages.add(
           ChatMessage(
             msgId: DateTime.now().millisecondsSinceEpoch,
-            senderId: userId,
+            senderId: int.parse(imMsg.from),
             content: imMsg.content,
             msgType: 1,
             createTime: DateTime.now(),
@@ -204,6 +225,7 @@ class _ChatPageState extends State<ChatPage> {
             Expanded(
               child: TextField(
                 controller: _textController,
+                focusNode: _focusNode,
                 onSubmitted: (_) => _sendMessage(),
                 style: const TextStyle(color: Colors.white),
                 cursorColor: Colors.white,
@@ -212,6 +234,9 @@ class _ChatPageState extends State<ChatPage> {
                   hintStyle: TextStyle(color: Colors.white),
                   border: InputBorder.none,
                 ),
+                onTap: () {
+                  Future.delayed(const Duration(milliseconds: 350), scrollToBottom);
+                },
               ),
             ),
             IconButton(