How To Create Autocomplete Textfield Using Flutter App

import 'package:flutter/material.dart';

void main(){
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  TextEditingController _textFieldController = TextEditingController();
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.blue[700],
        title: Text('AutoComplete Textfield'),
      ),
      body: Center(
        child: Padding(
          padding: EdgeInsets.symmetric(horizontal: 25.0),
          child: TextField(
              controller: _textFieldController,
              autocorrect: true,
              decoration:
              InputDecoration(
                  enabledBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.all(Radius.circular(12.0)),
                    borderSide: BorderSide(color: Colors.black26),
                  ),
                  focusedBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.all(Radius.circular(12.0)),
                    borderSide: BorderSide(color: Colors.grey),
                  ),
                  contentPadding: EdgeInsets.all(15),
                  hintText: "Textfield auto completes",
                  hintStyle: TextStyle(color: Colors.black45, fontSize: 15),
              )),
        ),
      ),
    );
  }
}