package com.example.chatappdemo;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.util.Log;

import com.example.chatappdemo.DAO.ConversationDAO;
import com.example.chatappdemo.DAO.MessDAO;
import com.example.chatappdemo.DAO.MyinfoDAO;

package com.example.chatappdemo;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

package com.example.chatappdemo;

public class RSAKey {
    public String publicKey;
    public String privateKey;
    public RSAKey(){
        publicKey = new String();
        privateKey = new String();
    }

package com.example.chatappdemo;

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 com.example.chatappdemo.model.Conversation;

package com.example.chatappdemo;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;

package com.example.chatappdemo;


public class javaExternal {
    public javaExternal(){};
    public native String generateKey256();
    public native String generateKey128();
    public native String encryptAES256(String message, String key);
    public native String decryptAES256(String message, String key);
    public native String encryptAES128(String message, String key);

package com.example.chatappdemo;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class DatabaseHelper extends SQLiteOpenHelper {

    // Tên cơ sở dữ liệu và phiên bản
    private static final String DATABASE_NAME = "ChatApp.db";

package com.example.chatappdemo;

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 com.example.chatappdemo.model.Conversation;

package com.example.chatappdemo;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;

package com.example.chatappdemo;

import android.util.Log;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;

public class ChatClient extends Thread {
    private static final String TAG = "SocketServerClient";

package com.example.chatappdemo;

import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;


import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;