import 'package:flutter/material.dart';
import 'package:get/get.dart';

void main() => runApp(App());

class App extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return GetMaterialApp(
      initialRoute: '/',
      getPages: [
        GetPage(name: '/', page: () => FirstScreen(), binding: FirstBinding()),
        GetPage(
            name: '/second',
            page: () => SecondScreen(),
            binding: SecondBinding()),
      ],
    );
  }
}

class FirstBinding implements Bindings {
  @override
  void dependencies() {
    Get.lazyPut<FirstController>(() => FirstController());
  }
}

class SecondBinding implements Bindings {
  @override
  void dependencies() {
    Get.lazyPut<SecondController>(() => SecondController());
  }
}

class FirstController extends GetxController {
  
}

class SecondController extends GetxController {
  
}

class FirstScreen extends GetView<FirstController> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            FlatButton(
              onPressed: () {
                Get.toNamed('/second');
              },
              child: Text('Go to second'),
            ),
          ],
        ),
      ),
    );
  }
}

class SecondScreen extends GetView<SecondController> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            FlatButton(
              onPressed: () {
                Get.back();
              },
              child: Text('Go back to first'),
            ),
          ],
        ),
      ),
    );
  }
}