dropdown btn inside a dialog has problem about dropdown_button2

[AhmedLSayed9]

Please provide a minimal working sample that produces the issue.

[wenchaosong]

import 'package:dropdown_button2/dropdown_button2.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';

class HomePage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() => HomePageState();
}

class HomePageState extends State<HomePage> {
  final List<String> items = [
    'Item1',
    'Item2',
    'Item3',
    'Item4',
  ];
  String? selectedValue;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            SmartDialog.show(builder: (context) {
              return Container(
                height: 200,
                width: 200,
                decoration: BoxDecoration(
                  color: Colors.white,
                  borderRadius: BorderRadius.circular(10),
                ),
                alignment: Alignment.center,
                child: _dropBtn(),
              );
            });
          },
          child: const Text('test'),
        ),
      ),
    );
  }

  Widget _dropBtn() {
    return DropdownButtonHideUnderline(
      child: DropdownButton2<String>(
        hint: Text(
          'Select Item',
          style: TextStyle(
            fontSize: 14,
            color: Theme.of(context).hintColor,
          ),
        ),
        items: items
            .map((String item) => DropdownMenuItem<String>(
                  value: item,
                  child: Text(
                    item,
                    style: const TextStyle(
                      fontSize: 14,
                    ),
                  ),
                ))
            .toList(),
        value: selectedValue,
        onChanged: (String? value) {
          setState(() {
            selectedValue = value;
          });
        },
        buttonStyleData: const ButtonStyleData(
          padding: EdgeInsets.symmetric(horizontal: 16),
          height: 40,
          width: 140,
        ),
        menuItemStyleData: const MenuItemStyleData(
          height: 40,
        ),
      ),
    );
  }
}

[wenchaosong]

I was use flutter_smart_dialog , but if use showDialog , it was ok

[AhmedLSayed9]

If you use Flutter's DropdownButton you'll get the same issue.
I'm closing this as it's related to flutter_smart_dialog.