socketclient heartbeat

lib/im/chat_details_page.dart

@@ -11,9 +11,12 @@ import 'package:huixiang/im/out/message.pb.dart';
 import 'package:huixiang/main.dart';
 import 'package:huixiang/retrofit/data/im_user.dart';
 import 'package:huixiang/retrofit/retrofit_api.dart';
+import 'package:huixiang/view_widget/classic_header.dart';
 import 'package:huixiang/view_widget/my_appbar.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:huixiang/view_widget/my_footer.dart';
 import 'package:image_pickers/image_pickers.dart';
+import 'package:pull_to_refresh/pull_to_refresh.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import '../../community/release_dynamic.dart';
 import '../../generated/l10n.dart';
@@ -64,7 +67,9 @@ class _ChatDetailsPage extends State<ChatDetailsPage>
     // SmartDialog.showToast("聊天 $txt", alignment: Alignment.center);
   }
 
+  RefreshController refreshController = RefreshController();
   List<Message> messages = [];
+  int page = 0;
 
   loadMessageList() async {
     ImUser imUser = await hxDatabase.queryImUserById(_toUser.mid);
@@ -75,7 +80,7 @@ class _ChatDetailsPage extends State<ChatDetailsPage>
     selfUserId = (await SharedPreferences.getInstance()).getString("userId");
     // unread msg 2 read state
     await hxDatabase.readMessage(selfUserId, _toUser.mid);
-    messages = await hxDatabase.queryUList(_toUser.mid, pageSize: 100);
+    await refresh();
 
     socketClient.addCallback(_toUser.mid, (Message message) {
       messages.insert(0, message);
@@ -97,6 +102,18 @@ class _ChatDetailsPage extends State<ChatDetailsPage>
     });
   }
 
+  refresh() async {
+    page += 1;
+    List<Message> messagePage = await hxDatabase.queryUList(_toUser.mid, page: page, pageSize: 10);
+    if (page == 1) {
+      messages = messagePage;
+    } else {
+      messages.addAll(messagePage);
+    }
+    refreshController.refreshCompleted();
+    return;
+  }
+
   refreshState() {
     if (mounted) setState(() {});
   }
@@ -292,6 +309,24 @@ class _ChatDetailsPage extends State<ChatDetailsPage>
         child: Column(
           children: [
             Expanded(
+              child: SmartRefresher(
+                enablePullDown: true,
+                enablePullUp: false,
+                header: MyHeader(),
+                physics: BouncingScrollPhysics(),
+                footer: CustomFooter(
+                  loadStyle: LoadStyle.ShowWhenLoading,
+                  builder: (BuildContext context, LoadStatus mode) {
+                    return (messages.length == 0) ? Container() : MyFooter(mode);
+                  },
+                ),
+                controller: refreshController,
+                onRefresh: () {
+                  refresh().then((){
+                    refreshState();
+                  });
+                },
+                onLoading: () {},
                 child: SingleChildScrollView(
                 physics: BouncingScrollPhysics(),
                 controller: scrollController,
@@ -313,6 +348,7 @@ class _ChatDetailsPage extends State<ChatDetailsPage>
                   ],
                 ),
               ),
+              ),
               flex: 1,
             ),
             input()
@@ -326,6 +362,7 @@ class _ChatDetailsPage extends State<ChatDetailsPage>
   Widget chatDetailsList() {
     return Container(
       margin: EdgeInsets.only(bottom: 48.h),
+      alignment: Alignment.bottomCenter,
       child: ListView.builder(
         itemCount: messages.length,
         shrinkWrap: true,