How to connect to the FTP Server from your Android App?
This video shows quick steps to create your FTP client Android App. It demonstrates the example by connecting to a FTP server created on the local LAN network.
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Complete source code and other details/ steps of this video are posted in the below link:
https://programmerworld.co/android/ho...
GitHub: https://github.com/programmerworld199...
Maven Dependency: https://mvnrepository.com/artifact/co...
However, the main Java code is copied below also for reference:
package com.programmerworld.ftpserverconnect;
import android.os.Bundle;
import android.os.StrictMode;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
import org.apache.commons.net.ftp.FTPClient;
import java.io.IOException;
public class MainActivity extends AppCompatActivity {
private TextView textView;
private EditText editTextFTPServer, editTextUserName, editTextPassword;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EdgeToEdge.enable(this);
setContentView(R.layout.activity_main);
ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) - {
Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
textView = findViewById(R.id.textViewStatus);
editTextFTPServer = findViewById(R.id.editTextFTPServer);
editTextUserName = findViewById(R.id.editTextUserName);
editTextPassword = findViewById(R.id.editTextPassword);
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
return insets;
});
}
public void buttonConnectToFTP(View view){
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect(editTextFTPServer.getText().toString());
ftpClient.login(editTextUserName.getText().toString(), editTextPassword.getText().toString());
ftpClient.changeWorkingDirectory("/usb1_1/Files/");
textView.setText(ftpClient.printWorkingDirectory());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
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