Simple TextField

Technology for ecology

Simple TextField

Simple TextField
Simple TextField

Simple TextField allowing to capture free text up to 60 characters max over 2 lines. A button (cross) is displayed as a suffix icon to clear the input data. The text capture is completed when Enter key is pressed.

import 'package:flutter/material.dart';


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

  @override
  _ShowTextFieldState createState() => _ShowTextFieldState();
}

class _ShowTextFieldState extends State<ShowTextField> {

  // Controller for text editing
  final TextEditingController _controller = TextEditingController();
  final _focusComments = FocusNode();



  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(title: const Text("Simple Text Field")),
        body: Container(
            padding: const EdgeInsets.all(20),
            alignment: Alignment.center,
            child: Center(
              child: DisplayTextField(context)
            )
        )
    );
  }


  Widget DisplayTextField(BuildContext context) {
    return Expanded(
      child: TextField(
        controller: _controller,
        focusNode: _focusComments,
        textCapitalization: TextCapitalization.sentences,
        maxLength: 100,
        maxLines: 2,
        keyboardType: TextInputType.text,
        textInputAction: TextInputAction.done,
        //maxLengthEnforcement: MaxLengthEnforcement.enforced,
        decoration: InputDecoration(
            border:  const OutlineInputBorder(
                borderRadius: BorderRadius.all(Radius.circular(30))
            ),
            labelText: "Enter your comments",

            suffixIcon: IconButton(
                onPressed: _controller.clear,
                icon: const Icon(Icons.clear)
            )
        ),
        onSubmitted: (value) => print("Captured text = $value"),
      ),
    );
  }
}

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