allow only numbers in textfield flutter code example

Example 1: flutter textfield number only

import 'package:flutter/services.dart';

keyboardType: TextInputType.number,
inputFormatters: [FilteringTextInputFormatter.digitsOnly],

Example 2: allow only integer input flutter

import 'package:flutter/services.dart';

new TextField(
	decoration: new InputDecoration(labelText: "Enter any number"),
	keyboardType: TextInputType.number,
	inputFormatters: <TextInputFormatter>[
    	FilteringTextInputFormatter.digitsOnly
	], // Only numbers can be entered in this input field
 ),