Piinks

import 'package:flutter/material.dart';

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

class Demo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
          body: ListView.builder(

Piinks

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.

Piinks

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

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

Piinks

import 'package:flutter/material.dart';

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override

Piinks

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(home: Home()));
}

class Home extends StatefulWidget {
  @override
  State createState() => HomeState();
}

Piinks

import 'package:flutter/material.dart';

void main() {
  runApp(new MaterialApp(
    routes: <String, WidgetBuilder>{
      '/': (BuildContext context) => HomePage(),
      '/second': (BuildContext context) => SecondPage(),
    },
  ));
}

Piinks

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: NestedScrollView(

Piinks

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: Text('Demo')),

Piinks

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: HomePage(),
      routes: <String, WidgetBuilder>{

Piinks

import 'package:flutter/material.dart';

void main() => runApp(MaterialApp(
        home: Scaffold(
      appBar: AppBar(title: Text('Bottom Pinned Button')),
      body: MyWidget(),
    )));

class MyWidget extends StatefulWidget {
  @override