PickerConfirmBeforeCallback typedef

PickerConfirmBeforeCallback = Future<bool> Function(Picker picker, List<int> selected)

Callback function that is called before confirming the picker selection.

This callback allows for validation or custom logic before confirmation. Return true to proceed with confirmation, false to cancel.

Parameters:

• picker - The picker instance being confirmed
• selected - List of all selected indices across all columns

Returns a Future<bool> indicating whether to proceed with confirmation.

Implementation

typedef PickerConfirmBeforeCallback = Future<bool> Function(
    Picker picker, List<int> selected);