Task_title.dart problem with onLongpress: longpressCallback,

[MdRubayat]

### I have this one single problem in the task_title.dart with the onLongPress: longPressCallback, [line 14] where it says that

(error: The argument type 'Function' can't be assigned to the parameter type 'void Function()?'. (argument_type_not_assignable at [todoey_flutter] lib/widgets/task_tile.dart:14)

> please can anyone help me????

[koishinu]

Late reply but you need to put final VoidCallback longPressCallback;