1. import 'package:flutter/material.dart';
2. import 'package:get/get.dart';
3.  
4. void main() {
5.   Get.lazyPut(() => Page2Controller(), fenix: true);
6.   runApp(GetMaterialApp(home: HomePage()));
7. }
8.  
9. class HomePage extends StatelessWidget {
10.   @override
11.   Widget build(BuildContext context) {
12.     return Scaffold(
13.       appBar: AppBar(title: Text('HOME')),
14.       body: Center(
15.         child: RaisedButton(
16.           child: Text('Go to page 2'),
17.           onPressed: () => Get.to(() => Page2()),
18.         ),
19.       ),
20.     );
21.   }
22. }
23.  
24. class Page2 extends StatelessWidget {
25.   final controller = Get.find<Page2Controller>();
26.   @override
27.   Widget build(BuildContext context) {
28.     return Scaffold(
29.       appBar: AppBar(title: Text('Page2')),
30.       body: Center(
31.         child: Obx(() => Text(controller.number.toString())),
32.       ),
33.       floatingActionButton: FloatingActionButton(
34.         onPressed: () => controller.increment(),
35.         child: Icon(Icons.add),
36.       ),
37.     );
38.   }
39. }
40.  
41. class Page2Controller extends GetxController {
42.   RxInt number = RxInt(0);
43.  
44.   increment() => number++;
45. }
46.