플러터 순한맛 강좌 - 빌더 위젯 없이 스낵바 만들기와 토스트 메세지 구현하기

본 코드는 코딩셰프의 수업을 기반으로 작성되었습니다.
플러터(flutter) 순한맛 강좌 19 | 빌더(Builder widget)위젯 없이 스낵바(Snack bar)만들기와 토스트 메세지(Toast message) 구현하기

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) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'SnackBar',
      theme: ThemeData(
        primarySwatch: Colors.red,
      ),
      home: MyPage(),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Snack Bar'),
        centerTitle: true,
      ),
      body: MySnackBar(),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Center(
      child: RaisedButton(
        child: Text('Show me'),
        onPressed: () {
          Scaffold.of(context).showSnackBar(
            SnackBar(
              content: Text(
                'Hellow',
                textAlign: TextAlign.center,
                style: TextStyle(
                    color: Colors.white
                ),
              ),
              backgroundColor: Colors.teal,
              duration: Duration(milliseconds: 1000),
            ),
          );
        },
      ),
    );
  }
}

해당 그림은 약간의 수정이 드러간 수정본이다.

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'SnackBar',
      theme: ThemeData(
        primarySwatch: Colors.red,
      ),
      home: MyPage(),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Toast message'),
        centerTitle: true,
      ),
      body: Center(
        child: FlatButton(
          onPressed: (){
            flutterToast();
          },
          child: Text('Toast'),
          color: Colors.blue,
        ),
      ),
    );
  }
}

void flutterToast(){
  Fluttertoast.showToast(msg: 'Flutter',
    gravity: ToastGravity.BOTTOM,
    backgroundColor: Colors.redAccent,
    fontSize: 20.0,
    textColor: Colors.white,
    toastLength: Toast.LENGTH_SHORT
  );
}

pubspec.yaml에서 새로 import한 것을 선언해주어야 한다.

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^1.0.2
  fluttertoast: ^8.0.9