Move session thumbnail out of flexible sliver

lib/models/session.dart

@@ -1,4 +1,3 @@
-import 'package:contacts_plus_plus/auxiliary.dart';
 import 'package:contacts_plus_plus/config.dart';
 import 'package:contacts_plus_plus/string_formatter.dart';
 

lib/widgets/sessions/session_view.dart

@@ -1,23 +1,40 @@
 import 'package:cached_network_image/cached_network_image.dart';
+import 'package:contacts_plus_plus/apis/session_api.dart';
 import 'package:contacts_plus_plus/auxiliary.dart';
+import 'package:contacts_plus_plus/client_holder.dart';
 import 'package:contacts_plus_plus/models/session.dart';
 import 'package:contacts_plus_plus/widgets/formatted_text.dart';
 import 'package:contacts_plus_plus/widgets/settings_page.dart';
 import 'package:flutter/material.dart';
 import 'package:photo_view/photo_view.dart';
 
-class SessionView extends StatelessWidget {
+class SessionView extends StatefulWidget {
   const SessionView({required this.session, super.key});
 
   final Session session;
 
+  @override
+  State<SessionView> createState() => _SessionViewState();
+}
+
+class _SessionViewState extends State<SessionView> {
+
+  Future<Session>? _sessionFuture;
+
+  @override
+  void initState() {
+    super.initState();
+    _sessionFuture = Future.value(widget.session);
+  }
+
   @override
   Widget build(BuildContext context) {
+    return FutureBuilder(
+      future: _sessionFuture,
+      builder: (context, snapshot) {
+        final session = snapshot.data ?? widget.session;
         return Scaffold(
-      body: CustomScrollView(
-        physics: const BouncingScrollPhysics(decelerationRate: ScrollDecelerationRate.fast),
-        slivers: [
-          SliverAppBar(
+          appBar: AppBar(
             leading: IconButton(
               icon: const Icon(
                 Icons.arrow_back_outlined,
@@ -26,12 +43,6 @@ class SessionView extends StatelessWidget {
                 Navigator.of(context).pop();
               },
             ),
-            pinned: true,
-            snap: false,
-            floating: false,
-            expandedHeight: 192,
-            surfaceTintColor: Theme.of(context).colorScheme.surfaceVariant,
-            centerTitle: true,
             title: FormattedText(
               session.formattedName,
               maxLines: 1,
@@ -46,13 +57,24 @@ class SessionView extends StatelessWidget {
                       width: double.infinity,
                       height: 1,
                       color: Colors.black,
-                  )),
+                    ),
+                  ),
                 ],
               ),
             ),
-            flexibleSpace: FlexibleSpaceBar(
-              collapseMode: CollapseMode.pin,
-              background: Hero(
+          ),
+          body: RefreshIndicator(
+            onRefresh: () async {
+              setState(() {
+                _sessionFuture = SessionApi.getSession(ClientHolder.of(context).apiClient, sessionId: session.id);
+              });
+              await _sessionFuture;
+            },
+            child: ListView(
+              children: <Widget>[
+                SizedBox(
+                  height: 192,
+                  child: Hero(
                     tag: session.id,
                     child: CachedNetworkImage(
                       imageUrl: Aux.neosDbToHttp(session.thumbnail),
@@ -86,9 +108,7 @@ class SessionView extends StatelessWidget {
                     ),
                   ),
                 ),
-          ),
-          SliverToBoxAdapter(
-            child: Padding(
+                Padding(
                   padding: const EdgeInsets.only(top: 12),
                   child: Column(
                     crossAxisAlignment: CrossAxisAlignment.start,
@@ -160,12 +180,9 @@ class SessionView extends StatelessWidget {
                     ],
                   ),
                 ),
-          ),
-          SliverList(
-            delegate: SliverChildBuilderDelegate(
-              (BuildContext context, int index) {
-                final user = session.sessionUsers[index];
-                return ListTile(
+              ] +
+                  session.sessionUsers
+                      .map((user) => ListTile(
                     dense: true,
                     title: Text(
                       user.username,
@@ -175,13 +192,13 @@ class SessionView extends StatelessWidget {
                       user.isPresent ? "Active" : "Inactive",
                       textAlign: TextAlign.start,
                     ),
+                  ))
+                      .toList(),
+            ),
+          ),
         );
       },
-              childCount: session.sessionUsers.length,
-            ),
-          )
-        ],
-      ),
+
     );
   }
 }