Hi, Your server is up at 10.0.2.15 and the client try to connect to 10.0.2.2 ?
On 11 nov, 17:49, Mike88 <michael...@gmail.com> wrote: > Hello, I have created a simple server and client both on android phone > or emulators. The code is as follows > > Server: > > import java.io.BufferedReader; > import java.io.InputStreamReader; > import java.net.ServerSocket; > import java.net.Socket; > > import android.app.Activity; > import android.os.Bundle; > import android.util.Log; > import android.widget.TextView; > > public classAndroidServerextends Activity { > /** Called when the activity is first created. */ > public static TextView tv; > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > // setContentView(R.layout.main); > > tv = new TextView(this); > tv.setText("Main - server"); > setContentView(tv); > > Thread sThread = new Thread(new TCPServerTest()); > > sThread.start(); > } > > } > > class TCPServerTest implements Runnable{ > > public static final String SERVERIP = "10.0.2.15"; > public static final int SERVERPORT = 4444; > > public void run() { > try { > Log.d("TCP", "S: Connecting..."); > > ServerSocket serverSocket = new ServerSocket > (SERVERPORT); > while (true) { > Socket client = serverSocket.accept(); > Log.d("TCP", "S: Receiving..."); > try { > BufferedReader in = new BufferedReader(new > InputStreamReader(client.getInputStream())); > String str = in.readLine(); > Log.d("TCP", "S: Received: '" + str + "'"); > AndroidServer.tv.setText(str + " ------ " + > SERVERIP); > } catch(Exception e) { > Log.e("TCP", "S: Error", e); > } finally { > client.close(); > Log.d("TCP", "S: Done."); > } > > } > > } catch (Exception e) { > Log.e("TCP", "S: Error", e); > } > } > > } > > Client: > > import java.io.BufferedWriter; > import java.io.OutputStreamWriter; > import java.io.PrintWriter; > import java.net.InetAddress; > import java.net.Socket; > > import android.app.Activity; > import android.os.Bundle; > import android.util.Log; > import android.widget.TextView; > > public class AndroidClient extends Activity { > /** Called when the activity is first created. */ > public TextView tv; > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > // setContentView(R.layout.main); > > tv = new TextView(this); > tv.setText("Main - client"); > setContentView(tv); > > Thread cThread = new Thread(new TCPClientTest()); > > cThread.start(); > } > > } > > class TCPClientTest implements Runnable { > > public void run() { > try { > > InetAddress serverAddr = InetAddress.getByName("10.0.2.2"); > > Log.d("TCP", "C: Connecting..."); > Socket socket = new Socket(serverAddr, 5555); > String message = "Hello from Client"; > try { > Log.d("TCP", "C: Sending: '" + message + "'"); > PrintWriter out = new PrintWriter( new BufferedWriter > ( new OutputStreamWriter(socket.getOutputStream())),true); > > out.println(message); > Log.d("TCP", "C: Sent."); > Log.d("TCP", "C: Done."); > > } catch(Exception e) { > Log.e("TCP", "S: Error", e); > } finally { > socket.close(); > } > } catch (Exception e) { > Log.e("TCP", "C: Error", e); > } > } > > } > > The problem can be seen from the log files > > Server: > > D/TCP ( 700): S: Connecting... > > Clinet: > > D/TCP ( 703): C: Connecting... > D/TCP ( 703): C: Sending: 'Hello from Client' > I/global ( 703): Default buffer size used in BufferedWriter > constructor. It would be better to be explicit if an 8k-char buffer is > required. > D/TCP ( 703): C: Sent. > D/TCP ( 703): C: Done. > > Note when i run the program the server has id 5554 and the client id > 5556 from the emulators. > > I have used ./adb -s 5554 forward tcp:4444 tcp:5555 > > However the client message fails to send to the server. Does anyone > have any idea why? > > I have tried doing ./adb -s 5556 forward tcp:5555 tcp:4444 in case > that was the problem but i had no luck. > > Help would be very much appreciated. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en