TextField

sample.packages.flutter.lib.src.cupertino.text_field.143.

This example shows how to set the initial value of the CupertinoTextField using a [controller] that already contains some text.

  
import 'package:flutter/cupertino.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return const CupertinoApp(
      title: _title,
      home: MyStatefulWidget(),
    );
  }
}

class MyStatefulWidget extends StatefulWidget {
  const MyStatefulWidget({Key? key}) : super(key: key);

  @override
  State createState() => _MyStatefulWidgetState();
}

class _MyStatefulWidgetState extends State {
  late TextEditingController _textController;

  @override
  void initState() {
    super.initState();
    _textController = TextEditingController(text: 'initial text');
  }

  @override
  void dispose() {
    _textController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return CupertinoPageScaffold(
      child: Center(
        child: CupertinoTextField(
          controller: _textController,
        )
      ),
    );
  }
}
  

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