Andrious

import 'package:flutter/material.dart';

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

class NavigateNamedRoutes extends StatelessWidget {
  @override
  Widget build(BuildContext context) => MaterialApp(
        title: 'Named Routes Demo',
        initialRoute: '/',
        routes: {

Andrious

import 'package:flutter/material.dart';

void main() => runApp(MaterialApp(
      title: 'Navigation Basics',
      home: FirstRoute(),
    ));

class FirstRoute extends StatelessWidget {
  @override
  Widget build(BuildContext context) => Scaffold(

Andrious

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key key}) : super(key: key);
  @override
  Widget build(BuildContext context) => MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(

Andrious

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) => MaterialApp(
        title: 'MediaQuery Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,

Andrious

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) => MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,

Andrious

import 'dart:io' show Platform;

import 'package:flutter/material.dart';

import 'package:flutter/cupertino.dart'
    show
        CupertinoApp,
        CupertinoButton,
        CupertinoColors,
        CupertinoPageRoute,

Andrious

import 'package:flutter/material.dart';



class Bloc extends StateSetter {
  //
  Bloc([StateBloc state]) : super() {
    // Associate it with the specified State object.
    addState(state);
    // Include it in a collection of Blocs.

Andrious

import 'package:flutter/material.dart';

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

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

  @override
  Widget build(BuildContext context) => MaterialApp(
        theme: ThemeData(

Andrious

import 'package:flutter/material.dart' show ThemeData;

import 'package:prefs/prefs.dart';

/// The App's theme controller
class ThemeController {
  factory ThemeController() => _this ??= ThemeController._();
  ThemeController._() {
    _isDarkmode = Prefs.getBool('darkmode', false);
  }

Andrious

// TextFormField & Form Validation.
// https://flutter.dev/docs/cookbook/forms/validation
class FormValidation extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final appTitle = 'Form Validation Demo';

    return MaterialApp(
      title: appTitle,
      home: Scaffold(