import 'package:flutter/material.dart'; class DropdownTextfield extends StatefulWidget { const DropdownTextfield({super.key}); @override State createState() => _DropdownTextfieldState(); } class _DropdownTextfieldState extends State { List get _getDropdownItems { return [ const DropdownMenuItem( child: Text('rsitensroe'), value: 1, ), const DropdownMenuItem( child: Text('rstiersnmti'), value: 2, ) ]; } @override Widget build(BuildContext context) { final dropdownValue = _getDropdownItems.first.value; return SizedBox( width: 500, child: TextField( decoration: InputDecoration( suffix: DropdownButton( items: _getDropdownItems, onChanged: _onDropdownChanged, value: dropdownValue, )), ), ); } void _onDropdownChanged(value) {} }