1-) FLUTTER - Yeni Searchable Dropdown Aranabilir Combobox kullanımı search_choices
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flutter pub add search_choices
import 'package:flutter/material.dart';import 'package:search_choices/search_choices.dart';class DropDownIlce extends StatefulWidget { const DropDownIlce({super.key}); @override State<DropDownIlce> createState() => _DropDownIlceState();}class _DropDownIlceState extends State<DropDownIlce> { // Define a list of cities for the dropdown menu final List<String> cities = ['Antalya', 'Istanbul', 'Ankara']; // Variable to store the selected value String selectedCity = 'İl Seçiniz'; @override Widget build(BuildContext context) { return SearchChoices.single( items: cities .map((city) => DropdownMenuItem<String>( value: city, child: Text(city), )) .toList(), value: selectedCity, hint: "İl Seçiniz", searchHint: "İl Seçiniz", onChanged: (value) { setState(() { selectedCity = value; }); }, isExpanded: true, padding: EdgeInsets.all(5), ); }}