<?xml version="1.0" encoding="utf-8"?>

.java:

package com.example.project2;

import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.Toast; import androidx.appcompat.app.AppCompatActivity; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL;

public class MainActivity extends AppCompatActivity {

private static final String TAG = "MainActivity";

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

    Button downloadButton = findViewById(R.id.downloadButton);
    downloadButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            downloadFile("http://212.183.159.230/50MB.zip");
        }
    });
}

private void downloadFile(String urlString) {
    try {
        URL url = new URL(urlString);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        connection.connect();

        int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            String fileName = getFileNameFromURL(urlString);
            String destinationPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getPath() + "/" + fileName;

            InputStream inputStream = connection.getInputStream();
            OutputStream outputStream = new FileOutputStream(destinationPath);

            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                outputStream.write(buffer, 0, bytesRead);
            }

            outputStream.flush();
            outputStream.close();
            inputStream.close();

            Toast.makeText(this, "File downloaded successfully!", Toast.LENGTH_SHORT).show();
        } else {
            Log.e(TAG, "Server returned HTTP error code: " + responseCode);
            Toast.makeText(this, "Failed to download file.", Toast.LENGTH_SHORT).show();
        }

    } catch (Exception e) {
        Log.e(TAG, "Error downloading file: " + e.getMessage());
        Toast.makeText(this, "Failed to download file.", Toast.LENGTH_SHORT).show();
    }
}

private String getFileNameFromURL(String urlString) {
    String[] parts = urlString.split("/");
    return parts[parts.length - 1];
}

}