Flutter - Button 위젯

ElevatedButton

-배경색을 가진 일반적인 버튼

-onPressed() 하수에 원하는 액션 지정 가능

 

OutlinedButton

-배경이 투명하고 외곽선을 가진 버튼

 

TextButton

-텍스트를 사용한 심플한 버튼

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.
  @override
  Widget build(BuildContext context) {
    return  const MaterialApp(
      title: 'Flutter Demo',
      home: MyHomePage(title: 'Flutter'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title,),
      ),
      body: Center(
          child: Column(
        children: [
          SizedBox(
            width: 200,
            height: 50,
            child: ElevatedButton(
              onPressed: () {},
              child: Text(widget.title),
            ),
          ),
          SizedBox(
            width: 200,
            height: 50,
            child: OutlinedButton(
              onPressed: () {},
              child: Text(widget.title),
            ),
          ),
          SizedBox(
            width: 200,
            height: 50,
            child: TextButton(
              onPressed: () {},
              child: Text(widget.title),
            ),
          ),
          FloatingActionButton(
            child: Icon(Icons.add),
            onPressed: () {
              print("Clicked");
            },
          )
        ],
      )),
    );
  }
}