HatkeMessenger: A Versatile Open-Source Instant Messaging App for Android

Introduction:
HatkeMessenger is an open-source instant messaging application built for Android, offering a wide range of features, including message sending, image and video sharing, group chat creation, voice messaging, and more. It is characterized by its support for multiple themes and languages, providing users with a customizable and versatile communication experience.

Example Code (Java):

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;

import com.sandrios.hatkemessenger.HatkeMessenger;
import com.sandrios.hatkemessenger.adapter.ChatAdapter;
import com.sandrios.hatkemessenger.model.ChatMessage;

public class MainActivity extends AppCompatActivity {

    private HatkeMessenger hatkeMessenger;
    private ListView listView;
    private EditText editText;

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

        hatkeMessenger = new HatkeMessenger(this);
        listView = findViewById(R.id.listView);
        editText = findViewById(R.id.editText);

        // Add a friend
        hatkeMessenger.addFriend("user1");

        // Send a message
        hatkeMessenger.sendMessage("user1", "Hello, world!");

        // Listen for messages
        hatkeMessenger.addMessageListener(new HatkeMessenger.OnMessageListener() {
            @Override
            public void onMessageReceived(ChatMessage chatMessage) {
                ChatAdapter adapter = new ChatAdapter(MainActivity.this, chatMessage);
                listView.setAdapter(adapter);
            }
        });
    }

    public void onSendClick(View view) {
        String message = editText.getText().toString();
        hatkeMessenger.sendMessage("user1", message);
        editText.setText("");
    }
}

Please use the code with caution. Refer to the documentation for more details.

Key Features:

1. Clean and understandable code.
2. Comprehensive documentation.
3. Support for various features.
4. Support for multiple themes.
5. Support for multiple languages.

Downloading:
HatkeMessenger can be downloaded from GitHub:

git clone https://github.com/sandrios/hatkemessenger.git

Installation:
HatkeMessenger has the following dependency:

• Android SDK

You can install it as follows:

gradle install

In conclusion, HatkeMessenger is an outstanding instant messaging application suitable for various scenarios. It offers the following advantages:

1. Clean and understandable code.
2. Comprehensive documentation.
3. Support for various features.
4. Support for multiple themes.
5. Support for multiple languages.

Additional notes:

HatkeMessenger also provides advanced features such as:

• Group chat support.
• Voice messaging.
• File transfer capabilities.

When using HatkeMessenger, please consider the following:

• HatkeMessenger relies on the Android SDK.