put example back

 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
+// void main() {
+//   runApp(const MyApp());
+// }
+
+// class MyApp extends StatelessWidget {
+//   const MyApp({Key? key}) : super(key: key);
+
+//   @override
+//   Widget build(BuildContext context) {
+//     return GetMaterialApp(
+//       theme: ThemeData(useMaterial3: true),
+//       debugShowCheckedModeBanner: false,
+//       enableLog: true,
+//       logWriterCallback: Logger.write,
+//       initialRoute: AppPages.INITIAL,
+//       getPages: AppPages.routes,
+//       locale: TranslationService.locale,
+//       fallbackLocale: TranslationService.fallbackLocale,
+//       translations: TranslationService(),
+//     );
+//   }
+// }
+
+/// Nav 2 snippet
 void main() {
-  runApp(MyApp());
+  runApp(const MyApp());
 }
 
 class MyApp extends StatelessWidget {
-// This widget is the root of your application.
+  const MyApp({Key? key}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
     return GetMaterialApp(
-      title: 'Scaffold demo',
-      theme: ThemeData(
-        primarySwatch: Colors.blue,
-      ),
-      home: MyHomePage(),
+      getPages: [
+        GetPage(
+            participatesInRootNavigator: true,
+            name: '/first',
+            page: () => const First()),
+        GetPage(
+          name: '/second',
+          page: () => const Second(),
+          transition: Transition.downToUp,
+        ),
+        GetPage(
+          name: '/third',
+          page: () => const Third(),
+        ),
+      ],
       debugShowCheckedModeBanner: false,
     );
   }
 }
 
-class MyHomePage extends StatelessWidget {
+class FirstController extends GetxController {
+  @override
+  void onClose() {
+    print('on close first');
+    super.onClose();
+  }
+}
+
+class First extends StatelessWidget {
+  const First({Key? key}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
+    print('First rebuild');
+    Get.put(FirstController());
     return Scaffold(
       appBar: AppBar(
-        title: Text('Test'),
-        centerTitle: true,
-        backgroundColor: Colors.green,
-      ),
-      bottomNavigationBar: SizedBox(
-        width: double.infinity,
-        child: ElevatedButton(
-          child: Text('Tap me when Snackbar appears'),
+        title: const Text('page one'),
+        leading: IconButton(
+          icon: const Icon(Icons.more),
           onPressed: () {
-            print('This should clicked');
+            Get.snackbar(
+              'title',
+              "message",
+              mainButton:
+                  TextButton(onPressed: () {}, child: const Text('button')),
+              isDismissible: true,
+              duration: Duration(seconds: 5),
+              snackbarStatus: (status) => print(status),
+            );
+            // print('THEME CHANGED');
+            // Get.changeTheme(
+            //     Get.isDarkMode ? ThemeData.light() : ThemeData.dark());
           },
         ),
       ),
       body: Center(
-        child: ElevatedButton(
-          child: Text('Open Snackbar'),
-          onPressed: () {
-            Get.snackbar(
-              "Snackbar Showed",
-              "Please click the button on BottomNavigationBar",
-              icon: Icon(Icons.check, color: Colors.green),
-              backgroundColor: Colors.white,
-              snackStyle: SnackStyle.floating,
-              borderRadius: 20,
-              isDismissible: false,
-              snackPosition: SnackPosition.bottom,
-              margin: EdgeInsets.fromLTRB(50, 15, 50, 15),
-            );
-          },
+        child: SizedBox(
+          height: 300,
+          width: 300,
+          child: ElevatedButton(
+            onPressed: () {
+              Get.toNamed('/second?id=123');
+            },
+            child: const Text('next screen'),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class SecondController extends GetxController {
+  final textEdit = TextEditingController();
+  @override
+  void onClose() {
+    print('on close second');
+    textEdit.dispose();
+    super.onClose();
+  }
+}
+
+class Second extends StatelessWidget {
+  const Second({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final controller = Get.put(SecondController());
+    print('second rebuild');
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('page two ${Get.parameters["id"]}'),
+      ),
+      body: Center(
+        child: Column(
+          children: [
+            Expanded(
+                child: TextField(
+              controller: controller.textEdit,
+            )),
+            SizedBox(
+              height: 300,
+              width: 300,
+              child: ElevatedButton(
+                onPressed: () {},
+                child: const Text('next screen'),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class Third extends StatelessWidget {
+  const Third({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.red,
+      appBar: AppBar(
+        title: const Text('page three'),
+      ),
+      body: Center(
+        child: SizedBox(
+          height: 300,
+          width: 300,
+          child: ElevatedButton(
+            onPressed: () {},
+            child: const Text('go to first screen'),
+          ),
         ),
       ),
     );