HOW TO ADD TEXTFIELD IN ALERT DIALOG IN FLUTTER

Last updated Apr 10, 2023

In this FLUTTER tutorial we are going to learn how create an alert dialog and add Textfiled in Alert Dialog with flutter

If we want to create an alert dialog with a single text field in Flutter, the basic code structure is relatively straightforward. The code to create an AlertDialog widget with a single TextField is very easy

What is an Alert Dialog?

Alert Dialog is a PopupBox will use to show small messages on Current widdow. This Alert Box can be of Warning/Info/Network alerts...

Read about Alert Dialog with Close Button Flutter

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Let's Start

Step 1: Create Flutter Application

Step 2: Create TextFieldAlertDialog dart file and add below code

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('What is your Lucky Number'),
            content: TextField(
              controller: _textFieldController,
              textInputAction: TextInputAction.go,
              keyboardType: TextInputType.numberWithOptions(),
              decoration: InputDecoration(hintText: "Enter your number"),
            ),
            actions: <Widget>[
              new FlatButton(
                child: new Text('Submit'),
                onPressed: () {
                  Navigator.of(context).pop();
                },
              )
            ],
          );
        });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Alert Dilaog with TestFiled'),
      ),
      body: Center(
        child: RaisedButton(
          child: Text('Write your Number',style: TextStyle(color: Colors.white),),
          color: Colors.pink,
          onPressed: () => _displayDialog(context),
        ),
      ),
    );
  }
}

Step 3: Update main dart file with below code

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

class MyApp extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return MaterialApp(
      theme: ThemeData(
        primaryColor: Colors.pink
      ),
      home: TextFieldAlertDialog(),
    );
  }

}

Step 4: Run application

TextFiled inside AlertDialog - Flutter

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