Question

I can’t access “ftp server in PC” from “android app” to download file, I used wireless connection.

public void FTP_Download(){

            String server = "192.168.1.135";
            int port = 21;
            String user = "pc1";
            String pass = "1551";

            FTPClient ftpClient = new FTPClient();

            try {

                ftpClient.connect(server, port);
                ftpClient.login(user, pass);
                ftpClient.enterLocalPassiveMode();
                ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
                Toast.makeText(getBaseContext(), "download starting.",Toast.LENGTH_LONG).show();
                // APPROACH #1: using retrieveFile(String, OutputStream)
                String remoteFile1 = "i.xml";
                File downloadFile1 = new File("sdcard/i.xml");

                OutputStream outputStream1 = new BufferedOutputStream(new FileOutputStream(downloadFile1));
                boolean success = ftpClient.retrieveFile(remoteFile1, outputStream1);
                outputStream1.close();

                if (success) {
                    Toast.makeText(getBaseContext(), "File #1 has been downloaded successfully.",Toast.LENGTH_LONG).show();
                }

            } catch (IOException ex) {
                System.out.println("Error: " + ex.getMessage());
                ex.printStackTrace();
            } finally {
                try {
                    if (ftpClient.isConnected()) {
                        ftpClient.logout();
                        ftpClient.disconnect();
                    }
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }





}

I added internet permission :

<uses-permission android:name="android.permission.INTERNET"/>

Note: I tested app in emulator on PC and all things was OK.

When I tried to access FTP from default browser I can’t, but I can from firefox.

any help please

Answer 1

I’ve had the same issue. If it worked on the emulator and not on the device, there’s probably a firewall in your way, or your network isn’t allowing the connection because for some reason it’s not secure enough. Also make sure your FTP server allows connections from your username and password.