delayed_autocomplete 0.0.4 delayed_autocomplete: ^0.0.4 copied to clipboard
A simple autocomplete widget for Flutter that shows suggestion with a delay.
import 'package:flutter/material.dart';
import 'package:delayed_autocomplete/delayed_autocomplete.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
});
}
Future<List> _getSuggestions(String suggestion) async {
await Future.delayed(Duration(seconds: 2));
return ["Apple", "Banana", "Orange", "Pineapple", "Mango"];
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: DeyaledAutocomplete(
// how much time you wanna wait before getting and showing suggestions
delayinMilliseconds: 1000,
hintText: "Search",
borderColor: Colors.blue,
// this is the widget that will be shown in the list
itemWidget: (dynamic object) {
String name = object as String;
return Container(
height: 50,
child: Center(
child: Text(name),
),
);
},
toDo: (String suggestion) async {
//you can call your api here
return await _getSuggestions(suggestion);
// this list's items must be of same type as the object you passed in the itemWidget
},
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}