How to Add Floating Action Button in Flutter

Floating Action Button, fab, is an important component of the material design user interface. It is a circular button which usually floats above the right bottom of the screen. A fab is used for triggering actions such as create, edit, etc.

Following is the simple floating action button in flutter example:

import 'package:flutter/material.dart';

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


class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Welcome to Flutter',
      home: Scaffold(
        appBar: AppBar(
          title: Text('Floating Action Button Example'),
        ),
        body: Center(
      child: Text('See the fab!')
    ),
    floatingActionButton: FloatingActionButton(
      onPressed: () {
        // Add your onPressed code here!
      },
      child: Icon(Icons.add),
      backgroundColor: Colors.blue,
    ),
      ),
    );
  }
}

The output is as given below:

flutter fab example

You can also use extended floating action button in flutter. In such fab, you can add label also. see the example of extended floating action button below:

import 'package:flutter/material.dart';

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


class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Welcome to Flutter',
      home: Scaffold(
        appBar: AppBar(
          title: Text('Extended Floating Action Button Example'),
        ),
        body: Center(
      child: Text('See the fab!')
    ),
    floatingActionButton: FloatingActionButton.extended(
      onPressed: () {
        // Add your onPressed code here!
      },
      icon: Icon(Icons.add),
      label: Text('Add'),
      backgroundColor: Colors.blue,
    ),
      ),
    );
  }
}

Output:

extended floating action button flutter

That’s how you add floating action button in flutter.

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