Android Client socket , how to read data?

Question

here\'s my full code: the cnx is established , and i am sending data to server , but i cant read anything from the server...

public class client extends Acti         


        

Answer 1

 package some;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

public class NetClient {

    /**
     * Maximum size of buffer
     */
    public static final int BUFFER_SIZE = 2048;
    private Socket socket = null;
    private PrintWriter out = null;
    private BufferedReader in = null;

    private String host = null;
    private String macAddress = null;
    private int port = 7999;


    /**
     * Constructor with Host, Port and MAC Address
     * @param host
     * @param port
     * @param macAddress
     */
    public NetClient(String host, int port, String macAddress) {
        this.host = host;
        this.port = port;
        this.macAddress = macAddress;
    }

    private void connectWithServer() {
        try {
            if (socket == null) {
                socket = new Socket(this.host, this.port);
                out = new PrintWriter(socket.getOutputStream());
                in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private void disConnectWithServer() {
        if (socket != null) {
            if (socket.isConnected()) {
                try {
                    in.close();
                    out.close();
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    public void sendDataWithString(String message) {
        if (message != null) {
            connectWithServer();
            out.write(message);
            out.flush();
        }
    }

    public String receiveDataFromServer() {
        try {
            String message = "";
            int charsRead = 0;
            char[] buffer = new char[BUFFER_SIZE];

            while ((charsRead = in.read(buffer)) != -1) {
                message += new String(buffer).substring(0, charsRead);
            }

            disConnectWithServer(); // disconnect server
            return message;
        } catch (IOException e) {
            return "Error receiving response:  " + e.getMessage();
        }
    }


}

//---------------------------Use NetClient------------------------------------------------

NetClient nc = new NetClient(host, port, mac); //mac address maybe not for you
nc.sendDataWithString("your data");
String r = nc.receiveDataFromServer();

This is our android socket client works fine with Python server socket, Hope it will help you.

Answer 2

HttpResponse response = m_httpClient.execute( request );
String result = "";
if( response.getStatusLine().getStatusCode() == HttpStatus.SC_OK )
{
// open stream
      InputStream stream = response.getEntity().getContent();

      if( stream != null )
      {
        int len = 0;
        byte[] buf = new byte[ 1024 ];

        try
        {
          ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

          while( ( len = stream.read( buf ) ) > 0 )
          {
            outputStream.write( buf, 0, len );
          }

          buf = outputStream.toByteArray();
          result = EncodingUtils.getAsciiString( buf );
        }
        catch( IOException e )
        {
          e.printStackTrace();
        }
        finally
        {
          stream.close();
        }
}