80 lines
2.5 KiB
Dart
80 lines
2.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'chat.dart'; // Import the new Chat class
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class ChatScreen extends StatefulWidget {
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const ChatScreen({super.key});
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@override
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State<ChatScreen> createState() => _ChatScreenState();
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}
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class _ChatScreenState extends State<ChatScreen> {
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final Chat _chat = Chat('chat1'); // Create an instance of Chat
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final TextEditingController _controller = TextEditingController();
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void _sendMessage() {
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if (_controller.text.isNotEmpty) {
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setState(() {
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_chat.addUserMessage(_controller.text); // Use the Chat instance to add the message
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_controller.clear();
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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final width = MediaQuery.of(context).size.width;
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final isBigScreen = width > 600; // Define threshold for small screens
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return Scaffold(
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appBar: AppBar(
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title: const Text('Chat'),
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),
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body: Column(
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children: [
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Expanded(
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child: ListView.builder(
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itemCount: _chat.messages.length,
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itemBuilder: (context, index) {
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final message = _chat.messages[index];
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// Align all messages to left for big screens
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final align = message.sender == 'user' && !isBigScreen ? CrossAxisAlignment.end : CrossAxisAlignment.start;
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return Row(
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mainAxisAlignment: align == CrossAxisAlignment.end ? MainAxisAlignment.end : MainAxisAlignment.start,
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children: [
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Container(
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padding: const EdgeInsets.all(8.0),
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margin: const EdgeInsets.symmetric(vertical: 4.0),
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child: Text(
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'${message.content}',
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style: const TextStyle(color: Colors.white),
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),
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),
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],
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);
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},
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),
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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children: [
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Expanded(
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child: TextField(
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controller: _controller,
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decoration: const InputDecoration(hintText: 'Send a message'),
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onSubmitted: (_) => _sendMessage(),
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),
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),
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IconButton(
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icon: const Icon(Icons.send),
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onPressed: _sendMessage,
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),
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],
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),
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),
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],
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),
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);
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}
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} |