How to Add TextField Input in an Alert Dialog in Flutter

In this Google flutter code example we are going to learn how to add text field input in an alert dialog in flutter.

The code is based on flutter version 1.0.0

Main.dart (App entry point)

import 'package:flutter/material.dart';
import 'week3/textfield_in_alertDialog_task-13.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      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 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.
      //home: MyHomePage(title: 'Flutter Demo Home Page'),
      home: TextFieldAlertDialog(),
import 'package:flutter/material.dart';

class TextFieldAlertDialog extends StatelessWidget {
  TextEditingController _textFieldController = TextEditingController();

  _displayDialog(BuildContext context) async {
    return showDialog(
        context: context,
        builder: (context) {
          return AlertDialog(
            title: Text('TextField in Dialog'),
            content: TextField(
              controller: _textFieldController,
              decoration: InputDecoration(hintText: "TextField in Dialog"),
            actions: <Widget>[
              new FlatButton(
                child: new Text('CANCEL'),
                onPressed: () {

  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('TextField in AlertDialog'),
      body: Center(
        child: RaisedButton(
          child: Text('Show Alert Dialog'),
          onPressed: () => _displayDialog(context),

flutter text field in alert dialog

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