import 'package:flutter/material.dart';
import 'package:instagram_project/style.dart' as style;
void main() {
runApp(
MaterialApp(
theme: style.theme,
home: MyApp(),
),
);
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: MainAppBar(),
body: Text("Hello World"),
);
}
}
class MainAppBar extends StatelessWidget {
const MainAppBar({super.key});
@override
Widget build(BuildContext context) {
return AppBar(
title: Text("Instagarm"),
actions: [Icon(Icons.add_box_outlined)],
);
}
}
단순히 커스텀위젯만들 사용한건데 왜 이런 오류가 발생할까요?
error: The argument type 'MainAppBar' can't be assigned to the parameter type 'PreferredSizeWidget?'. (argument_type_not_assignable at [instagram_project] lib\main.dart:19)
