drifter/lib/widgets/message_screen/message_screen_widget.dart

import 'package:flutter/material.dart';
import 'package:drifter/theme/app_colors.dart';

class MessageScreen extends StatefulWidget {
  const MessageScreen({super.key});

  @override
  State<MessageScreen> createState() => _MessageScreenState();
}

class _MessageScreenState extends State<MessageScreen> {
  @override
  Widget build(BuildContext context) {
    return Stack(
      children: [
        ListView(
          padding: EdgeInsets.all(16),
          children: [
            Center(
              child: Text('List of posts'),
            )
          ],
        ),
        MessageInput(),
      ],
    );
  }
}

class MessageInput extends StatefulWidget {
  const MessageInput({
    super.key,
  });

  @override
  State<MessageInput> createState() => _MessageInputState();
}

class _MessageInputState extends State<MessageInput> {
  final messageController = TextEditingController();

  void submitData() {
    final newMessage = messageController;
  }

  @override
  Widget build(BuildContext context) {
    return Align(
      alignment: Alignment.bottomCenter,
      child: Container(
        padding: const EdgeInsets.only(bottom: 16, left: 8, right: 8, top: 8),
        child: Row(
          children: [
            GestureDetector(
              onTap: () {},
              child: const Icon(
                Icons.add_a_photo,
                color: AppColors.mainDarkBlue,
                size: 30,
              ),
            ),
            const SizedBox(
              width: 8,
            ),
            Expanded(
              child: TextField(
                style: const TextStyle(fontSize: 20),
                decoration: InputDecoration(
                  border: const OutlineInputBorder(
                      borderRadius: BorderRadius.all(Radius.circular(20))),
                  hintText: 'What\'s new?',
                  hintStyle: const TextStyle(fontSize: 20),
                  suffixIcon: IconButton(
                    icon: const Icon(
                      Icons.send,
                      color: AppColors.mainDarkBlue,
                      size: 30,
                    ),
                    onPressed: () {
                      submitData();
                    },
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class NewMessage extends StatefulWidget {
  const NewMessage({super.key});

  @override
  State<NewMessage> createState() => _NewMessageState();
}

class _NewMessageState extends State<NewMessage> {
  @override
  Widget build(BuildContext context) {
    return const Placeholder();
  }
}