Java Code Problem

Chardee MacDennis

import java.io.*;
import javax.bluetooth.*;

public class btTest {

public static void main(String[] args) {
String connectionURL="btspp://123456123456:1;encrypt=false;authenticate=false;master=true";

Connection con=Connector.open(connectionURL);
Runnable r=new Runnable() {
public void run() {
byte b[] = new byte[200];
try {
while (running) {
dataReceived.setText("Received " + received);
int a = is.read(b);
received += a;
}
} catch (Exception e) {e.printStackTrace();running=false; }
}
} // getting error "Syntax error, insert ";" to complete LocalVariableDeclarationStatement" here

//Starts the thread used to read data
new Thread(r).run();

//Write some data
((StreamConnection)streamCon).openDataOutputStream().writeChars("Try to write");

}
}

ok this code is horribly wrong but how? i cant seem to fix it, any help would be great thanks, btw I am using Avetana but it is more likely a problem with my thread implementation than bluetooth.

thanks!

Hobbes

What is "streamCon". Its not declared anywhere.

steve04

Think you missing a semi-colon there after the new runnable declaration

e.g.

Runnable r=new Runnable() 
		{...};

Chardee MacDennis

steve04 wrote:

Think you missing a semi-colon there after the new runnable declaration

e.g.

Runnable r=new Runnable() 
		{...};

but then i get

Exception in thread "main" java.lang.Error: Unresolved compilation problems: 
	Connection cannot be resolved to a type
	Connector cannot be resolved
	running cannot be resolved
	dataReceived cannot be resolved
	received cannot be resolved
	is cannot be resolved
	received cannot be resolved
	running cannot be resolved
	StreamConnection cannot be resolved to a type
	streamCon cannot be resolved

	at btTest.main(btTest.java:9)

Chardee MacDennis

Hobbes wrote:

What is "streamCon". Its not declared anywhere.

i took this code from the avetana website, i dont really know what its doing...

Hobbes

Call_me_al wrote:

but then i get

Exception in thread "main" java.lang.Error: Unresolved compilation problems: 
	Connection cannot be resolved to a type
	Connector cannot be resolved
	running cannot be resolved
	dataReceived cannot be resolved
	received cannot be resolved
	is cannot be resolved
	received cannot be resolved
	running cannot be resolved
	StreamConnection cannot be resolved to a type
	streamCon cannot be resolved

	at btTest.main(btTest.java:9)

some of those would be in the bluetooth kit. The thing looks like a code snippet rather then working code.

Hobbes

Call_me_al wrote:

i took this code from the avetana website, i dont really know what its doing...

It looks like it sets up a bluetooth connection for people to connect to, then tries to make a connection and send in text. That in turn is put into a variable which is never declared as well.

Too much missing for it to do anything of note.

Chardee MacDennis

well has anyone written anything like this before, or has a link to code using Avetana. i am fecking stuck.

Chardee MacDennis

ok i put this together and i am getting some results but i have a few questions...

import java.io.*;

import javax.bluetooth.*;
import javax.microedition.io.Connection;
import javax.microedition.io.StreamConnection;

import de.avetana.bluetooth.connection.Connector;
import javax.microedition.io.OutputConnection;
	
public class btTest {

	public static void main(String[] args) throws IOException {
		String connectionURL="btspp://000A840029D9:1;authenticate=false;master=false;encrypt=false";
		
		StreamConnection connection =
		    (StreamConnection) Connector.open(connectionURL);
		boolean conn = true;
		while(conn){
			try {
				byte buffer[] = new byte[100];
				InputStream is = connection.openInputStream();
				// send data to the server
				// read data from the server
				is.read(buffer);
				System.out.println(buffer);
				connection.close();
			} catch(IOException e) {
				e.printStackTrace();
				conn=false;
			}
		}
	}
}

i am getting this error when i run the code (it compiles fine) :

2006-03-14 15:50:08.147 java[234] *** _NSAutoreleaseNoPool(): Object 0x318660 of class NSCFString autoreleased with no pool in place - just leaking

and these are just some of the results i get when i print out the buffer:

[B@92b996
[B@8aaa1e
[B@a6aeed
[B@26804e

or

[B@92b996
[B@193779
[B@8916a2
[B@2ce908
[B@77158a
[B@27391d
[B@16ab4e
[B@48aa23
[B@99f91c
[B@b1aa65
[B@29f3b5
[B@3f3045
[B@7a29a1

does anyone know what 1. how i convert the output to a string or 2. what the error means and finally how can i fix the error?

once again thanks and any input is bery much appreciated!!

OH! and its connecting to a GPS device