rollcake86 / doitflutter Goto Github PK
View Code? Open in Web Editor NEWDo it Flutter 소스코드입니다.
Do it Flutter 소스코드입니다.
floatingActionButton: FloatingActionButton(
onPressed: () async {
final todo = await Navigator.of(context).pushNamed('/add');
_insertTodo(todo);
},
10장 260페이지 에서 _insertTodo(todo);
부분이 에러가 납니다.
Error: The argument type 'Object?' can't be assigned to the parameter type 'Todo'.
라고 나오는데 이해도가 부족해서 그런지 잘 안되네요..
그리고 플러터 2.0 업데이트 이후 non-nullable 관련해서 여러 오류도 나는 것 같습니다.....
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