Demonstrating much of the Scaffold's Named Parameters

Scaffold_All.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/gestures.dart' show DragStartBehavior;

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

class MyApp extends StatefulWidget {
  MyApp({Key key}) : super(key: key);
  State createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> with SingleTickerProviderStateMixin {
  TabController controller;

  @override
  void initState() {
    super.initState();
    controller = TabController(length: 3, vsync: this);
  }

  int _count = 0;
  int _selectedIndex = 0;
  @override
  Widget build(BuildContext context) {
    final title = 'Floating App Bar';
    final ThemeData theme = Theme.of(context);
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: title,
      home: Scaffold(
        appBar: AppBar(
          leading: IconButton(
              icon: Icon(Icons.home),
              tooltip: 'Click to Home Screen',
              onPressed: () {}),
          automaticallyImplyLeading: true,
          title: Text('My Fancy Dress'),
          actions: <Widget>[
            IconButton(
              icon: Icon(Icons.playlist_play),
              tooltip: 'Air it',
              onPressed: () {},
            ),
            IconButton(
              icon: Icon(Icons.playlist_add),
              tooltip: 'Restitch it',
              onPressed: () {},
            ),
            IconButton(
              icon: Icon(Icons.playlist_add_check),
              tooltip: 'Repair it',
              onPressed: () {},
            ),
          ],
//            flexibleSpace: Image.network(
//              "https://images.pexels.com/photos/531880/pexels-photo-531880.jpeg?auto=compress&cs=tinysrgb&h=350",
//                fit: BoxFit.cover,
//            ),
          bottom: TabBar(
            tabs: [
              Tab(text: 'Tab 1'),
              Tab(text: 'Tab 2'),
              Tab(text: 'Tab 3'),
            ],
            controller: controller,
          ),
          elevation: 16,
          backgroundColor: theme.primaryColor,
          brightness: theme.primaryColorBrightness,
          iconTheme: theme.primaryIconTheme,
          actionsIconTheme: theme.appBarTheme.actionsIconTheme,
          textTheme: theme.textTheme,
          primary: true,
          shape: StadiumBorder(),
          centerTitle: true,
          toolbarOpacity: 1.0,
          bottomOpacity: 1.0,
        ),
        body: Container(
            decoration:
                BoxDecoration(border: Border.all(width: 10, color: Colors.red)),
            child: TabBarView(
              controller: controller,
              children: <Widget>[
                Center(
                  child: Text('You have pressed the button $_count times.'),
                ),
                Text("Content for Tab 2"),
                Text("Content for Tab 3"),
              ],
            )),
        floatingActionButton: FloatingActionButton(
          onPressed: () => setState(() {
                _count++;
              }),
          tooltip: 'Increment Counter',
          child: Icon(Icons.add),
        ),
        floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
        persistentFooterButtons: <Widget>[
          IconButton(icon: Icon(Icons.insert_emoticon),onPressed: () {}),
          IconButton(icon: Icon(Icons.mood),onPressed: () {}),
          IconButton(icon: Icon(Icons.mood_bad),onPressed: () {}),
          IconButton(icon: Icon(Icons.sentiment_dissatisfied),onPressed: () {}),
          IconButton(icon: Icon(Icons.sentiment_neutral),onPressed: () {}),
          IconButton(icon: Icon(Icons.sentiment_satisfied),onPressed: () {}),
          IconButton(icon: Icon(Icons.sentiment_very_dissatisfied),onPressed: () {}),
        ],
        drawer: _drawer,
        endDrawer: _drawer,
        bottomNavigationBar: BottomNavigationBar(
          items: const <BottomNavigationBarItem>[
            BottomNavigationBarItem(
              icon: Icon(Icons.home),
              title: Text('Home'),
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.business),
              title: Text('Business'),
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.school),
              title: Text('School'),
            ),
          ],
          currentIndex: _selectedIndex,
          selectedItemColor: Colors.amber[800],
          onTap: (int index) {
            setState(() {
              _selectedIndex = index;
            });
          },
        ),
        bottomSheet: Container(
          decoration:
          BoxDecoration(border: Border.all(width: 1, color: Colors.red)),
          child: Center(child: Text('bottomSheet')),
          height: 30.0,
        ),
        backgroundColor: Color(0xFFFF80AB),
        resizeToAvoidBottomInset: false,
        drawerDragStartBehavior: DragStartBehavior.down,
      ),
    );
  }

  Widget get _drawer => Drawer(
        // Add a ListView to the drawer. This ensures the user can scroll
        // through the options in the Drawer if there isn't enough vertical
        // space to fit everything.
        child: ListView(
          // Important: Remove any padding from the ListView.
          padding: EdgeInsets.zero,
          children: <Widget>[
            DrawerHeader(
              child: Text('Drawer Header'),
              decoration: BoxDecoration(
                color: Colors.blue,
              ),
            ),
            ListTile(
              title: Text('Item 1'),
              onTap: () {
                // Update the state of the app
                // ...
                // Then close the drawer
                Navigator.pop(context);
              },
            ),
            ListTile(
              title: Text('Item 2'),
              onTap: () {
                // Update the state of the app
                // ...
                // Then close the drawer
                Navigator.pop(context);
              },
            ),
          ],
        ),
      );
}