How to Create a Floating Action Button in Flutter

The sample Google flutter code below illustrate how to create a floating action button in flutter.

The code is based on flutter version 1.0.0

Main.dart (App entry point)

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

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        // This is the theme of your application.
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
      //home: MyHomePage(title: 'Flutter Demo Home Page'),
      home: FAButton(),
import 'package:flutter/material.dart';

class FAButton extends StatelessWidget {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('FAB Button Example'),
      body: Center(
        child: Text('Floating Action Button Screen'),
      //FAB is a property of the `Scaffold` Widget
      floatingActionButton: FloatingActionButton(
        child: Icon(Icons.add),
        //Widget to display inside Floating Action Button, can be `Text`, `Icon` or any widget.
        onPressed: () {
          //Code to execute when Floating Action Button is clicked

flutter fab button

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