Theme Changer (Primitive?)

lib/app_settings.dart

@@ -1,9 +1,16 @@
 import 'package:flutter/material.dart';
-import 'package:witl/theme_manager.dart';
+import 'package:witl/main.dart';
 
-class Settings extends StatelessWidget {
+class Settings extends StatefulWidget {
   const Settings({super.key});
 
+  @override
+  State<Settings> createState() => _Settings();
+}
+
+class _Settings extends State<Settings> {
+  late String selectedTheme = 'Dark';
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -12,8 +19,26 @@ class Settings extends StatelessWidget {
       ),
 
       body: ListView(
-        children: [
-          
+        children:[
+          ListTile(
+            title: const Text("App Theme"),
+            subtitle: const Text("Sets the theme of the app between: Dark, Light, System Default."),
+            trailing: DropdownButton<String> (
+              value: selectedTheme,
+              items: <String>["Light", "Dark", "System Default"].map((String value) {
+                return DropdownMenuItem<String>(
+                  value: value,
+                  child: Text(value),
+                  );
+              }).toList(),
+              onChanged: (String? updatedTheme) {
+                setState(() {
+                  selectedTheme = updatedTheme ?? selectedTheme;
+                  MyApp.of(context).changeTheme(selectedTheme);
+                });
+              },
+            ),
+          )
         ],
       )
     );