selectedItemBuilder property

DropdownButtonBuilder? selectedItemBuilder
final

A builder to customize the dropdown buttons corresponding to the DropdownMenuItems in items.

When a DropdownMenuItem is selected, the widget that will be displayed from the list corresponds to the DropdownMenuItem of the same index in items.

This sample shows a DropdownButton with a button with Text that corresponds to but is unique from DropdownMenuItem.
link

To create a local project with this code sample, run:
flutter create --sample=material.DropdownButton.selectedItemBuilder.1 mysample

If this callback is null, the DropdownMenuItem from items that matches value will be displayed.

The list of widgets returned by this builder must be exactly the same length as the items list.

Implementation

final DropdownButtonBuilder? selectedItemBuilder;