// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:flutter/material.dart'; /// Flutter code sample for [TextEditingController]. void main() { runApp(const TextEditingControllerExampleApp()); } class TextEditingControllerExampleApp extends StatelessWidget { const TextEditingControllerExampleApp({super.key}); @override Widget build(BuildContext context) { return const MaterialApp(home: TextEditingControllerExample()); } } class TextEditingControllerExample extends StatefulWidget { const TextEditingControllerExample({super.key}); @override State createState() => _TextEditingControllerExampleState(); } class _TextEditingControllerExampleState extends State { // Create a controller whose initial selection is empty (collapsed) and positioned // before the text (offset is 0). final TextEditingController _controller = TextEditingController.fromValue( const TextEditingValue(text: 'Flutter', selection: TextSelection.collapsed(offset: 0)), ); @override void dispose() { _controller.dispose(); super.dispose(); } @override Widget build(BuildContext context) { return Scaffold( body: Container( alignment: Alignment.center, padding: const EdgeInsets.all(16.0), child: TextField( controller: _controller, autofocus: true, decoration: const InputDecoration(filled: true), ), ), ); } }