kprovider/lib/views/registration_screen.dart

// ignore_for_file: library_private_types_in_public_api

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

class RegistrationScreen extends StatefulWidget {
  static const routeName = 'registrationScreen';

  const RegistrationScreen({super.key});
  @override
  _RegistrationScreenState createState() => _RegistrationScreenState();
}

class _RegistrationScreenState extends State<RegistrationScreen> {
  final TextEditingController _usernameController = TextEditingController();
  final TextEditingController _emailController = TextEditingController();
  final TextEditingController _passwordController = TextEditingController();

  Future<void> _registerUser() async {
    const String apiUrl = 'YOUR_API_ENDPOINT'; // Replace with your API endpoint

    final response = await http.post(
      Uri.parse(apiUrl),
      headers: {'Content-Type': 'application/json'},
      body: jsonEncode({
        'username': _usernameController.text.trim(),
        'email': _emailController.text.trim(),
        'password': _passwordController.text.trim(),
      }),
    );

    if (response.statusCode == 201) {
      // User registration successful
      print('User registered successfully');
    } else {
      // Handle registration errors
      print('Error during registration: ${response.statusCode}');
      print('Response body: ${response.body}');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('User Registration'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            TextField(
              controller: _usernameController,
              decoration: const InputDecoration(labelText: 'Username'),
            ),
            const SizedBox(height: 16.0),
            TextField(
              controller: _emailController,
              decoration: const InputDecoration(labelText: 'Email'),
            ),
            const SizedBox(height: 16.0),
            TextField(
              controller: _passwordController,
              decoration: const InputDecoration(labelText: 'Password'),
              obscureText: true,
            ),
            const SizedBox(height: 24.0),
            ElevatedButton(
              onPressed: _registerUser,
              child: const Text('Register'),
            ),
          ],
        ),
      ),
    );
  }
}