初始化

lib/pages/student/room/controls/top_bar.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+import 'package:remixicon/remixicon.dart';
+
+class TopBar extends StatelessWidget implements PreferredSizeWidget {
+  final bool showOther;
+  final void Function()? onOther;
+
+  const TopBar({super.key, this.showOther = false, this.onOther});
+
+  @override
+  Widget build(BuildContext context) {
+    return AppBar(
+      foregroundColor: Colors.white,
+      titleTextStyle: TextStyle(color: Colors.white, fontSize: 18),
+      backgroundColor: Color(0xff232426),
+      centerTitle: true,
+      title: Column(
+        children: [
+          Text("会议"),
+          Text(
+            "01:12",
+            style: TextStyle(fontSize: 12, color: Colors.white24),
+          ),
+        ],
+      ),
+      actions: [
+        IconButton(
+          onPressed: onOther,
+          icon: Icon(showOther ? RemixIcons.team_fill : RemixIcons.team_line),
+        ),
+      ],
+    );
+  }
+
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+}