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Description:

text area

Usage #
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;

@override
State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
final myTextController = TextEditingController();
var reasonValidation = true;
final GlobalKey<FormState> formKey = GlobalKey<FormState>();

@override
void initState() {
super.initState();
myTextController.addListener(() {
setState(() {
reasonValidation = myTextController.text.isEmpty;
});
});
}

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Form(
key: formKey,
child: TextArea(
borderRadius: 10,
borderColor: const Color(0xFFCFD6FF),
textEditingController: myTextController,
suffixIcon: Icons.attach_file_rounded,
onSuffixIconPressed: () => {},
validation: reasonValidation,
errorText: 'Please type a reason!',
),
),
],
),
),
),
floatingActionButton: FloatingActionButton(
onPressed: () => {
if (formKey.currentState!.validate())
{}
},
tooltip: 'Increment',
child: const Icon(Icons.add),
),
);
}
}
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