Einbinden der benötigten Bibliothek von Apache mit Eclipse: Anleitung.
Code:
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.commons.net.ftp.FTPClient;
import android.util.Log;
import de.egraveyard.android.view.ItemUploader;
public class FtpUpload {
    private static final String TAG = ItemUploader.class.getSimpleName();
    String serverAdress = "ftp.lala.de";
    String userName = "ftpUser";
    String password = "lala";
    String serverDirectory = "/android";
    //String localFilePath = "/data/anr/traces.txt";
    //String remoteFileName = "traces2.txt";
    public boolean uploadImage(String localFilePath, String remoteFileName) {
        boolean result = false;
        FTPClient ftpClient = new FTPClient();
        try {
            ftpClient.connect(this.serverAdress);
            ftpClient.login(this.userName, this.password);
            ftpClient.changeWorkingDirectory(this.serverDirectory);
            ftpClient
                    .setFileType(org.apache.commons.net.ftp.FTP.BINARY_FILE_TYPE);
        } catch (IOException e) {
            Log.d(TAG,
                    "IOException ftp Client could not be established.controll Login, Server, Pw.");
        }
        Log.d(TAG, "FTP Server Response: " + ftpClient.getReplyString());
        BufferedInputStream buffIn = null;
        try {
            buffIn = new BufferedInputStream(new FileInputStream(localFilePath));
        } catch (FileNotFoundException e) {
            Log.d(TAG,
                    "FileNotFoundException: local File to be uploaded not Found: " + localFilePath);
        }
        ftpClient.enterLocalPassiveMode();
        try {
            result = ftpClient.storeFile(remoteFileName, buffIn);
        } catch (IOException e) {
            Log.d(TAG, "IOException: remote File could not be accessed");
        }
        try {
            buffIn.close();
        } catch (IOException e) {
            Log.d(TAG, "IOException: buffIn.close()");
        }
        try {
            ftpClient.logout();
            ftpClient.disconnect();
        } catch (IOException e) {
            Log.d(TAG, "IOException: ftpClient close/logout");
        }
        return result;
    }
}
		