Get navigation snippet

getnav.dart

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

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

class GetDemoApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return GetMaterialApp(
      debugShowCheckedModeBanner: false,
      home: FirstPage(),
    );
  }
}

class FirstPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return CommonWidget("First Page");
  }
}

class SecondPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return CommonWidget("Second Page");
  }
}

class DialogWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Container(child: CommonWidget("Dialog"), margin: EdgeInsets.all(32));
  }
}

class CommonWidget extends StatelessWidget {
  const CommonWidget(this.title);

  final String title;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(title, style: TextStyle(fontSize: 20)),
      ),
      body: Row(mainAxisAlignment: MainAxisAlignment.center, children: [
        Column(crossAxisAlignment: CrossAxisAlignment.center, children: [
          Text(title, style: TextStyle(fontSize: 30)),
          Padding(
            padding: const EdgeInsets.all(32.0),
            child: Container(
              child: Text("Demo Widget", style: TextStyle(fontSize: 24)),
            ),
          ),
          Column(children: [
            MaterialButton(
                child: Text("Go Back"),
                color: Colors.blue,
                onPressed: () {
                  Get.back();
                }),
            MaterialButton(
                child: Text("Go to First Page"),
                color: Colors.blue,
                onPressed: () {
                  Navigator.of(
                      MaterialPageRoute(builder: (context) => FirstPage()));
                  Get.to(FirstPage());
                }),
            MaterialButton(
                child: Text("Go to Second Page"),
                color: Colors.blue,
                onPressed: () {
                  Get.to(SecondPage());
                }),
            MaterialButton(
              child: Text("Show Dialog"),
              color: Colors.blue,
              onPressed: () {
                Get.dialog(DialogWidget());
              },
            ),
            MaterialButton(
                child: Text("Show Snackbar"),
                color: Colors.blue,
                onPressed: () {
                  Get.snackbar(
                    "Snackbar testobs",
                    "Hello this is Snackbar using awesome get Library by jonataslaw",
                    snackPosition: SnackPosition.BOTTOM,
                  );
                })
          ])
        ])
      ]),
    );
  }
}