chat eg

gistfile1.txt

<!-- item_chat_message.xml -->
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="8dp">

    <TextView
        android:id="@+id/text_message"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="16sp"
        android:background="@drawable/message_background"
        android:padding="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginEnd="8dp"/>

</LinearLayout>


<!-- message_background.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#EEEEEE"/>
    <corners android:radius="8dp"/>
</shape>


import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import java.util.List;

public class ChatMessageAdapter extends RecyclerView.Adapter<ChatMessageAdapter.ViewHolder> {

    private List<String> chatMessages;

    public ChatMessageAdapter(List<String> chatMessages) {
        this.chatMessages = chatMessages;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_chat_message, parent, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        String message = chatMessages.get(position);
        holder.textMessage.setText(message);
    }

    @Override
    public int getItemCount() {
        return chatMessages.size();
    }

    public static class ViewHolder extends RecyclerView.ViewHolder {
        TextView textMessage;

        public ViewHolder(View itemView) {
            super(itemView);
            textMessage = itemView.findViewById(R.id.text_message);
        }
    }
}


import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.os.Bundle;

import java.util.ArrayList;
import java.util.List;

public class ChatActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private ChatMessageAdapter adapter;
    private List<String> chatMessages;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_chat);

        recyclerView = findViewById(R.id.recycler_view);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        
        chatMessages = new ArrayList<>();
        // Add some sample chat messages to the list
        chatMessages.add("Hello!");
        chatMessages.add("How are you?");
        chatMessages.add("I'm doing great. Thanks for asking!");

        adapter = new ChatMessageAdapter(chatMessages);
        recyclerView.setAdapter(adapter);
    }
}