安卓连接腾讯云服务器失败

ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
boolean isConnected = activeNetwork != null && activeNetwork.isConnectedOrConnecting();

String serverAddress = "your_server_address";
int serverPort = your_server_port;
String username = "your_username";
String password = "your_password";

try {
    Socket socket = new Socket(serverAddress, serverPort);
    OutputStream outputStream = socket.getOutputStream();
    PrintWriter out = new PrintWriter(outputStream, true);
    out.println("Hello Server!");

    InputStream inputStream = socket.getInputStream();
    BufferedReader in = new BufferedReader(new InputStreamReader(inputStream));
    String response = in.readLine();
    Log.d("ServerResponse", response);

    socket.close();
} catch (IOException e) {
    e.printStackTrace();
}