st 입력후 stful or stless 선택 가능 alt + enter : 위젯 감싸기 ctrl + o : override ctrl + space : suggenstions ctrl + Alt + L : reformat code alt + insert : Generate (constructor/getter/setter) --no-sound-null-safety MaterialApp 안에서 debugShowCheckedModeBanner: false, import 'package:flutter/foundation.dart' as foundation; if(foundation.defaultTargetPlatform == foundation.TargetPlatform.android) //platform.da..
