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POHow to Send Data form Socket to ServerSocket in Android?
 

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  1. POHow to Send Data form Socket to ServerSocket in Android?
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    <p>I want to send a file from client to Server by using Socket Programming. I unable to transfer this file, client side is giving message OK, server get freeze at serverClient.accept,and only dispalys Listening on<br> Ip: 10.81.81.125, I am so confused, Kindly help. Thanks in advance.</p> <pre><code>Client Code: public class uploadData extends AsyncTask&lt;String, String, String&gt; { @Override public void onPreExecute() { } catch (Exception e) { } } @Override protected String doInBackground(String... arg0) { try { InetAddress serverAddr = InetAddress.getByName(serverIpAddress); Log.d("ClientActivity", "C: Connecting..."); Socket socket = new Socket(serverAddr, Constants.SERVERPORT); socket.setSoTimeout(90000); connected = true; if (connected) { try { Log.d("ClientActivity", "C: Sending command."); PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket .getOutputStream())), true); try { // where you issue the commands File sFile = new File(filePath); BufferedInputStream buffIn = null; buffIn = new BufferedInputStream( new FileInputStream(sFile)); out.print(buffIn); } catch (Exception e) { // TODO: handle exception } // setText(); // out.println("Hey Server!"); Log.d("ClientActivity", "C: Sent."); } catch (Exception e) { Log.e("ClientActivity", "S: Error", e); } } socket.close(); Log.d("ClientActivity", "C: Closed."); } catch (Exception e) { e.printStackTrace(); Toast.makeText(SynServer.this,getString(R.string.noServer), Toast.LENGTH_SHORT).show(); connected = false; } return null; } @Override protected void onProgressUpdate(String... progress) { // TODO Auto-generated method stub super.onProgressUpdate(progress); } @Override protected void onPostExecute(String result) { super.onPostExecute(result); } } @Override protected void onDestroy() { Runtime.getRuntime().gc(); super.onDestroy(); } } </code></pre> <p>Server Code:</p> <pre><code>public class Socket_File_ServerActivity extends Activity { private TextView serverStatus; // default ip public static String SERVERIP = "10.0.2.15"; // designate a port public static final int SERVERPORT =12345; private Handler handler = new Handler(); private ServerSocket serverSocket; Socket client=null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); serverStatus = (TextView) findViewById(R.id.server_status); SERVERIP = getLocalIpAddress(); // Thread fst = new Thread(new ServerThread()); fst.start(); } public class ServerThread implements Runnable { public void run() { try { Looper.prepare(); if (SERVERIP != null) { handler.post(new Runnable() { public void run() { serverStatus.setText("Listening on IP: " + SERVERIP); } }); serverSocket = new ServerSocket(SERVERPORT); handler.post(new Runnable() { public void run() { Toast.makeText(getApplicationContext(), serverSocket.getLocalSocketAddress().toString() , Toast.LENGTH_LONG).show(); serverStatus.append("\n"+serverSocket.getLocalSocketAddress().toString()); } }); Toast.makeText(getApplicationContext(), serverSocket.getLocalSocketAddress().toString() , Toast.LENGTH_LONG).show(); serverStatus.append("\n"+serverSocket.getLocalSocketAddress().toString()); while (true) { // listen for incoming clients Socket client = serverSocket.accept(); handler.post(new Runnable() { public void run() { serverStatus.setText("Connected."); } }); try { BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream())); String line = null; while ((line = in.readLine()) != null) { Log.d("ServerActivity", line); final String myline=new String(line); handler.post(new Runnable() { public void run() { // tv_chatbox.setText("Client said:="+myline); // do whatever you want to the front end // this is where you can be creative } }); } break; } catch (Exception e) { handler.post(new Runnable() { public void run() { serverStatus.setText("Oops. Connection interrupted. Please reconnect your phones."); } }); e.printStackTrace(); } } } else { handler.post(new Runnable() { public void run() { serverStatus.setText("Couldn't detect internet connection."); } }); } } catch (final Exception e) { handler.post(new Runnable() { public void run() { serverStatus.setText("Error"+e.getMessage()); } }); e.printStackTrace(); } } } // gets the ip address of your phone's network private String getLocalIpAddress() { try { for (Enumeration&lt;NetworkInterface&gt; en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumeration&lt;InetAddress&gt; enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress()) { return inetAddress.getHostAddress().toString(); } } } } catch (SocketException ex) { Log.e("ServerActivity", ex.toString()); } return null; } @Override protected void onStop() { super.onStop(); try { // make sure you close the socket upon exiting serverSocket.close(); } catch (IOException e) { e.printStackTrace(); } } } </code></pre>
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