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group.dart
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group.dart
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import 'package:flutter/material.dart';
import 'package:uuid/uuid.dart';
import 'group_window_screen.dart';
class HomePage extends StatelessWidget {
const HomePage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
TextEditingController nameController = TextEditingController();
final formKey = GlobalKey<FormState>();
var uuid = const Uuid();
return Scaffold(
appBar: AppBar(
title: const Text('ChatRoom'),
),
body: Center(
child: TextButton(
onPressed: () => showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text('Please enter your name'),
content: Form(
key: formKey,
child: TextFormField(
controller: nameController,
validator: (value) {
if (value == null || value.length < 3) {
return 'User must have proper name';
}
return null;
},
),
),
actions: [
TextButton(
onPressed: () {
nameController.clear();
Navigator.pop(context);
},
child: const Text(
'Cancel',
style: TextStyle(fontSize: 16, color: Colors.deepPurpleAccent),
),
),
TextButton(
onPressed: () {
if (formKey.currentState!.validate()) {
String name = nameController.text;
nameController.clear();
Navigator.pop(context);
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => GroupWindowScreen(
name: name,
userId: uuid.v1(),
)));
}
},
child: const Text(
'Enter',
style: TextStyle(fontSize: 16, color: Colors.blue),
),
),
],
),
),
child: const Text(
'Initiate ChatRoom',
style: TextStyle(color: Colors.deepPurpleAccent, fontSize: 16),
),
),
),
);
}
}