Bluetooth connection. Problem with sony ericsson.
- by Hugi
I have bt client and server. Then i use method Connector.open, client connects to the port, but passed so that my server does not see them. Nokia for all normal, but with sony ericsson i have this problem. On bt adapter open one port (com 5).
Listings
Client
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import java.util.Vector;
import javax.bluetooth.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;
import java.io.*;
/**
* @author ?????????????
*/
public class Client extends MIDlet implements DiscoveryListener, CommandListener
{
private static Object lock=new Object();
private static Vector vecDevices=new Vector();
private ServiceRecord[] servRec = new ServiceRecord[INQUIRY_COMPLETED];
private Form form = new Form( "Search" );
private List voteList = new List( "Vote list", List.IMPLICIT );
private List vote = new List( "", List.EXCLUSIVE );
private RemoteDevice remoteDevice;
private String connectionURL = null;
protected int stopToken = 255;
private Command select = null;
public void startApp()
{
//view form
Display.getDisplay(this).setCurrent(form);
try {
//device search
print("Starting device inquiry...");
getAgent().startInquiry(DiscoveryAgent.GIAC, this);
try {
synchronized(lock){
lock.wait();
}
}catch (InterruptedException e) {
e.printStackTrace();
}
//device count
int deviceCount=vecDevices.size();
if(deviceCount <= 0) {
print("No Devices Found .");
} else{
remoteDevice=(RemoteDevice)vecDevices.elementAt(0);
print( "Server found" );
//create uuid
UUID uuid = new UUID(0x1101);
UUID uuids[] = new UUID[] { uuid };
//search service
print( "Searching for service..." );
getAgent().searchServices(null,uuids,remoteDevice,this);
}
} catch( Exception e) {
e.printStackTrace();
}
}
//if deivce discovered add to vecDevices
public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod) {
//add the device to the vector
try {
if(!vecDevices.contains(btDevice) && btDevice.getFriendlyName(true).equals("serverHugi")){
vecDevices.addElement(btDevice);
}
} catch( IOException e ) {
}
}
public synchronized void servicesDiscovered(int transID, ServiceRecord[] servRecord) {
//for each service create connection
if( servRecord!=null && servRecord.length>0 ){
print( "Service found" );
connectionURL = servRecord[0].getConnectionURL(ServiceRecord.NOAUTHENTICATE_NOENCRYPT,false);
//connectionURL = servRecord[0].getConnectionURL(ServiceRecord.AUTHENTICATE_NOENCRYPT,false);
}
if ( connectionURL != null ) {
showVoteList();
}
}
public void serviceSearchCompleted(int transID, int respCode) {
//print( "serviceSearchCompleted" );
synchronized(lock){
lock.notify();
}
}
//This callback method will be called when the device discovery is completed.
public void inquiryCompleted(int discType) {
synchronized(lock){
lock.notify();
}
switch (discType) {
case DiscoveryListener.INQUIRY_COMPLETED :
print("INQUIRY_COMPLETED");
break;
case DiscoveryListener.INQUIRY_TERMINATED :
print("INQUIRY_TERMINATED");
break;
case DiscoveryListener.INQUIRY_ERROR :
print("INQUIRY_ERROR");
break;
default :
print("Unknown Response Code");
break;
}
}
//add message at form
public void print( String msg ) {
form.append( msg );
form.append( "\n\n" );
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
//get agent :)))
private DiscoveryAgent getAgent() {
try {
return LocalDevice.getLocalDevice().getDiscoveryAgent();
} catch (BluetoothStateException e) {
throw new Error(e.getMessage());
}
}
private synchronized String getMessage( final String send ) {
StreamConnection stream = null;
DataInputStream in = null;
DataOutputStream out = null;
String r = null;
try {
//open connection
stream = (StreamConnection) Connector.open(connectionURL);
in = stream.openDataInputStream();
out = stream.openDataOutputStream();
out.writeUTF( send );
out.flush();
r = in.readUTF();
print( r );
in.close();
out.close();
stream.close();
return r;
} catch (IOException e) {
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
return r;
}
}
private synchronized void showVoteList() {
String votes = getMessage( "c_getVotes" );
voteList.append( votes, null );
select = new Command( "Select", Command.OK, 4 );
voteList.addCommand( select );
voteList.setCommandListener( this );
Display.getDisplay(this).setCurrent(voteList);
}
private synchronized void showVote( int index ) {
String title = getMessage( "c_getVote_"+index );
vote.setTitle( title );
vote.append( "Yes", null );
vote.append( "No", null );
vote.setCommandListener( this );
Display.getDisplay(this).setCurrent(vote);
}
public void commandAction( Command c, Displayable d ) {
if ( c == select && d == voteList ) {
int index = voteList.getSelectedIndex();
print( ""+index );
showVote( index );
}
}
}
Use BlueCove in this program.
Server
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package javaapplication4;
import java.io.*;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import javax.bluetooth.*;
import javax.microedition.io.*;
import javaapplication4.Connect;
/**
*
* @author ?????????????
*/
public class SampleSPPServer {
protected static int endToken = 255;
private static Lock lock=new ReentrantLock();
private static StreamConnection conn = null;
private static StreamConnectionNotifier streamConnNotifier = null;
private void startServer() throws IOException{
//Create a UUID for SPP
UUID uuid = new UUID("1101", true);
//Create the service url
String connectionString = "btspp://localhost:" + uuid +";name=Sample SPP Server";
//open server url
StreamConnectionNotifier streamConnNotifier = (StreamConnectionNotifier)Connector.open( connectionString );
while ( true ) {
Connect ct = new Connect( streamConnNotifier.acceptAndOpen() );
ct.getMessage();
}
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
//display local device address and name
try {
LocalDevice localDevice = LocalDevice.getLocalDevice();
localDevice.setDiscoverable(DiscoveryAgent.GIAC);
System.out.println("Name: "+localDevice.getFriendlyName());
} catch( Throwable e ) {
e.printStackTrace();
}
SampleSPPServer sampleSPPServer=new SampleSPPServer();
try {
//start server
sampleSPPServer.startServer();
} catch( IOException e ) {
e.printStackTrace();
}
}
}
Connect
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package javaapplication4;
import java.io.*;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import javax.bluetooth.*;
import javax.microedition.io.*;
/**
*
* @author ?????????????
*/
public class Connect {
private static DataInputStream in = null;
private static DataOutputStream out = null;
private static StreamConnection connection = null;
private static Lock lock=new ReentrantLock();
public Connect( StreamConnection conn ) {
connection = conn;
}
public synchronized void getMessage( ) {
Thread t = new Thread() {
public void run() {
try {
in = connection.openDataInputStream();
out = connection.openDataOutputStream();
String r = in.readUTF();
System.out.println("read:" + r);
if ( r.equals( "c_getVotes" ) ) {
out.writeUTF( "vote1" );
out.flush();
}
if ( r.equals( "c_getVote_0" ) ) {
out.writeUTF( "Vote1" );
out.flush();
}
out.close();
in.close();
} catch (Throwable e) {
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
try {
connection.close();
} catch( IOException e ) {
}
}
}
};
t.start();
}
}
