How to Add Navigation and Routing in Flutter Apps

 Navigation is a core part of any mobile application, enabling users to move between different screens or pages. In Flutter, navigation and routing are handled efficiently through built-in tools and widgets. Whether you're building a simple app or a complex one with multiple screens, understanding how to implement navigation is essential. This blog covers the basics of adding navigation and routing in Flutter.

What is Routing in Flutter?

Routing is the process of moving from one screen (called a "route") to another in a Flutter app. Each route is typically a widget, and Flutter manages routes using the Navigator widget.

Basic Navigation Using Navigator.push

To navigate from one screen to another, you can use:

dart

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Navigator.push(

  context,

  MaterialPageRoute(builder: (context) => SecondScreen()),

);

This code pushes a new route onto the stack, displaying the SecondScreen widget.

To go back:

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Navigator.pop(context);

Example: Two-Screen App

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// main.dart

import 'package:flutter/material.dart';

void main() {

  runApp(MaterialApp(home: FirstScreen()));

}

class FirstScreen extends StatelessWidget {

  @override

  Widget build(BuildContext context) {

    return Scaffold(

      appBar: AppBar(title: Text("First Screen")),

      body: Center(

        child: ElevatedButton(

          child: Text("Go to Second Screen"),

          onPressed: () {

            Navigator.push(

              context,

              MaterialPageRoute(builder: (context) => SecondScreen()),

            );

          },

        ),

      ),

    );

  }

}

class SecondScreen extends StatelessWidget {

  @override

  Widget build(BuildContext context) {

    return Scaffold(

      appBar: AppBar(title: Text("Second Screen")),

      body: Center(

        child: ElevatedButton(

          child: Text("Go Back"),

          onPressed: () {

            Navigator.pop(context);

          },

        ),

      ),

    );

  }

}

Named Routes for Cleaner Navigation

For larger apps, named routes offer better structure.

Define routes in MaterialApp:

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MaterialApp(

  initialRoute: '/',

  routes: {

    '/': (context) => HomePage(),

    '/about': (context) => AboutPage(),

  },

)

Navigate using:

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Navigator.pushNamed(context, '/about');

Conclusion

Flutter provides flexible options for navigation, from simple route pushing to structured named routing. Mastering these techniques allows you to create smooth, user-friendly navigation flows in your apps. Whether you're developing small apps or large, scalable projects, understanding routing is a must-have skill in your Flutter toolkit.

Learn Flutter Training in Hyderabad

Read More:

Stateful vs Stateless Widgets in Flutter Explained

Flutter Layout Basics: Rows, Columns, and Containers

Building Responsive UI in Flutter for Multiple Screen Sizes

Working with Lists and Grids in Flutter

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