[2023.11.23] 플러터(flutter) 순한 맛 강좌 19-2 | Toast Message

※ AndroidManifest.xml Error : uses-sdk:minSdkVersion 19 cannot be smaller than version 21 declared in library

오류 발생 시..

android\app\guild.gradle 파일의 minSdkVersion을 21로 변경함.

defaultConfig {
    // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
    applicationId "com.example.example_pjt"
    // You can update the following values to match your application needs.
    // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
    //minSdkVersion flutter.minSdkVersion
    minSdkVersion 21
    targetSdkVersion flutter.targetSdkVersion
    versionCode flutterVersionCode.toInteger()
    versionName flutterVersionName
}

 

<< 소스 코드 >>

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Snack Bar',
      theme: ThemeData(
        primarySwatch: Colors.blue
      ),
      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: TextButton(
          onPressed: (){
            flutterToast();
          },
          child: Text('Toast'),
        ),
      ),
    );
  }
}

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

 

 

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