runable

lib/shared/widgets/custom_app_bar.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+
+/// Custom app bar widget
+class CustomAppBar extends StatelessWidget implements PreferredSizeWidget {
+  final String title;
+  final List<Widget>? actions;
+  final Widget? leading;
+  final PreferredSizeWidget? bottom;
+
+  const CustomAppBar({
+    super.key,
+    required this.title,
+    this.actions,
+    this.leading,
+    this.bottom,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return AppBar(
+      title: Text(title),
+      leading: leading,
+      actions: actions,
+      bottom: bottom,
+    );
+  }
+
+  @override
+  Size get preferredSize => Size.fromHeight(
+        kToolbarHeight + (bottom?.preferredSize.height ?? 0.0),
+      );
+}