Bluetooth: Application does not wait for investigation
Good afternoon
For almost a week already had a problem, which already has a load of messages on the forum, after research and do the trial & error for three days, I hope someone can relate to no doubt tiny stupid error I have and I just can't.
The goal is simple: Once loaded, begins to discover Bluetooth lights nearby.
Problem: The tags are located and what is work decently, but he does not obey the synchronization (wait/notify).
I tried several things, but I keep hitting the same problem. It does not take into account my lock and did the survey on the bottom, and only after main thread finished drawing.
To facilitate the access to tests, I've isolated the problem section.
// Does Not wait for Inquiry to end!
The solutions tried so far:
-Temporary "fix" sleep vs sync
S ' object in static final or none and that any combination of the three options.
-Develop a 9700 OS 6 SDK: 6.0.0.30 Plugin Java: 1.3.0
import java.util.Vector;
import javax.bluetooth.BluetoothStateException;
import javax.bluetooth.DiscoveryAgent;
import javax.bluetooth.LocalDevice;
import net.rim.device.api.ui.component.AutoTextEditField;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.container.MainScreen;
public class MyScreen extends MainScreen
{
Vector tags = new Vector();
private Object lock=new Object();
public MyScreen() throws BluetoothStateException
{
super();
setTitle("Bluetooth Discover");
Listener myDiscoveryListener = new Listener();
try
{
LocalDevice localDevice = LocalDevice.getLocalDevice();
DiscoveryAgent discoveryAgent = localDevice.getDiscoveryAgent();
discoveryAgent.startInquiry(DiscoveryAgent.GIAC, myDiscoveryListener);
}
catch(BluetoothStateException bse)
{
Dialog.alert("BluetoothStateException exception: "+bse.toString());
}
// Does Not wait for Inquiry to end!
try
{
synchronized(lock)
{
lock.wait();
}
} catch (Exception e) {}
Vector tags = myDiscoveryListener.mac;
String text="";
for (int i=0; i
import java.util.Vector;
import javax.bluetooth.DeviceClass;
import javax.bluetooth.DiscoveryListener;
import javax.bluetooth.RemoteDevice;
import javax.bluetooth.ServiceRecord;
public class Listener extends Thread implements DiscoveryListener
{
Vector mac = new Vector();
private Object lock=new Object();
public Listener()
{
}
public void deviceDiscovered(RemoteDevice remoteDevice, DeviceClass cod)
{
try
{
System.out.println("Device: " + remoteDevice.getBluetoothAddress());
} catch(Exception e){ } finally{ mac.addElement(remoteDevice.getBluetoothAddress().toString()); }
}
public void inquiryCompleted(int discType)
{
if (mac.size() > 0)
{
try
{
lock.notifyAll();
} catch (Exception e){}
}
}
public void servicesDiscovered(int transID, ServiceRecord[] servRecord)
{
}
public void serviceSearchCompleted(int transID, int respCode)
{
}
}
Thanks in advance for all the help possible and yes I am services that support are not being implemented are not necessary for the current problem that prevents me to further develop my application.
PF
I have the same problem before and still can't fix. I don't know, but it seems that there is a problem in the 9700 OS.
In any case please inform me if there is good new ants on this issue.
Thanks in advance.
Best regards
Albert Siu
Tags: BlackBerry Developers
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