Flutter Textfield Only Numbers Explained With Example-Best Flutter Guide

TextField()

Implementing Flutter Textfield Only Numbers

Let’s now implement Flutter textfield only numbers so the input that the user can give is only numbers. For that, you have to use the keyboard type constructor of the Flutter textfield widget. Then by passing it the text input type class and accessing the number property of the text input type class, you can implement the Flutter textfield only numbers.

keyboardType: TextInputType.number

You can see in the above image that the keyboard shows only numbers now which means the input will be only numbers. You can also use other types of input of the text input type class like phone number, email address etc.

Congrats for making it to the end. You have successfully implemented the Flutter textfield only numbers. And now as a treat, I have developed a beautiful Flutter textfield only numbers design for you. Hope you will like it and I would love to see you use it in your Flutter projects. The complete source code is given in the next section.

Beautiful Flutter Textfield Source Code

import 'package:flutter/material.dart';
void main() {
  runApp(const MyApp());
}
class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Homepage(),
    );
  }
}
class Homepage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return SafeArea(
        child: Scaffold(
      body: Center(
          child: Padding(
              padding: EdgeInsets.symmetric(horizontal: 40),
              child: TextField(
                style: TextStyle(color: Colors.pink),
                keyboardType: TextInputType.number,
                decoration: InputDecoration(
                    prefixIcon: Icon(
                      Icons.phone_android,
                      color: Colors.pink,
                    ),
                    suffixIcon: Icon(
                      Icons.visibility,
                      color: Colors.pink,
                    ),
                    labelText: 'Enter number',
                    labelStyle: TextStyle(color: Colors.pink.withOpacity(.8)),
                    enabledBorder: OutlineInputBorder(
                        borderSide: BorderSide(color: Colors.pink),
                        borderRadius: BorderRadius.circular(30).copyWith(
                            bottomRight: Radius.circular(0),
                            topLeft: Radius.circular(0))),
                    focusedBorder: OutlineInputBorder(
                        borderSide: BorderSide(color: Colors.pink),
                        borderRadius: BorderRadius.circular(30).copyWith(
                            bottomRight: Radius.circular(0),
                            topLeft: Radius.circular(0)))),
              ))),
    ));
  }
}