Upload folder to FTP server

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http://stackoverflow.com – I searched here for this topic and I tried all I found, but it still does not work. import java.io.FileInputStream; import java.io.IOException; import org.apache.commons.net.ftp.FTPClient; import android.os.Bundle; import android.os.Environment; import android.app.Activity; public class MainActivity extends Activity { public static final String TAG = "Contacts"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); I made a Th (HowTos)