jfxbuetooth apl2

/*
 bem10jfx.blogspot.com
 knbjfx.blogspot.com
 numagrandeviagem.blogspot.com
 */
package bluetwo_fx;


import java.io.IOException;
import java.util.Hashtable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.TextArea;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.layout.VBoxBuilder;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javax.bluetooth.BluetoothStateException;
import javax.bluetooth.DiscoveryAgent;
import javax.bluetooth.DiscoveryListener;
import javax.bluetooth.LocalDevice;
import javax.bluetooth.RemoteDevice;

/**
 *
 * @author kml knb 's
 */
public class Bluetwo_fx extends Application  {
      ObservableList<String> names = FXCollections.observableArrayList(
          "Julia", "Ian");
 ListView<String> listView = new ListView<String>(names);

    public DiscoveryAgent discoveryAgent;
    public RemoteDevice remoteDevice[];
    public LocalDevice localDevice;
    public Hashtable ht=new Hashtable();
    public Label lb=new Label("");

    public void typeDevices() throws BluetoothStateException, IOException{
    System.out.println("Leitura de Dispositivos ");
    localDevice= LocalDevice.getLocalDevice();



              discoveryAgent=localDevice.getDiscoveryAgent();
             remoteDevice =discoveryAgent.retrieveDevices(DiscoveryAgent.CACHED);
           System.out.println ("inf1. \n"
                   + ""+localDevice+
           "\n"+localDevice.getDiscoveryAgent());

             if (remoteDevice != null) {
                for (int i = 0; i < remoteDevice.length; i++) {
                   ht.put(remoteDevice[i].getFriendlyName(false),remoteDevice[i]);
                   names.add("Dispositivos: " + remoteDevice[i].getFriendlyName(false) +
                   " ID " + remoteDevice[i].getBluetoothAddress());
                    listView.setItems(names);
                    lb.setText("Dispositivos do Cache do Sistema");
                    }

                 }else{ lb.setText("OUve um error ou nao existe dispositivos ativos");}

       try { } catch (Exception e) {
           System.out.println("XXXerrorXXX"+e.getMessage()+e.getLocalizedMessage());
        }
    }

    @Override
    public void start(Stage stage) {

       Group gp=new Group();
       Scene scene=new Scene(gp,500,370,Color.GRAY);
       stage.setScene(scene);
       VBox vb=VBoxBuilder.create().build();

        MenuBar mb=new MenuBar();
        Menu mninfs=new Menu("Informaçoes");
        mb.getMenus().add(mninfs);
        MenuItem miInfdisplocal =new MenuItem("dispositivo local");
         mninfs.getItems().add(miInfdisplocal);
         gp.getChildren().add(mb);

       final Button bt=new Button("Procurar");
           gp.getChildren().addAll(bt);
           bt.layoutYProperty().bind(scene.heightProperty().subtract(40));
           bt.setLayoutX(25);

       listView.setItems(names);
       listView.setPrefHeight(300);
       try {lb.setText("Click e Espere");} catch (Exception e) {}
        vb.setLayoutY(20);
       vb.setStyle("-fx-border-color: #aa5300;");
       vb.getChildren().addAll(listView,lb);
       gp.getChildren().add(vb);
       bt.setOnMouseClicked(new EventHandler<MouseEvent>() {
           @Override
       public void handle(MouseEvent t) {
              if (t.getSource()==bt){try {
               typeDevices();
           } catch (IOException ex) {
               Logger.getLogger(Bluetwo_fx.class.getName()).log(Level.SEVERE, null, ex);
           }
}

            }
        });
       miInfdisplocal.setOnAction(new EventHandler<ActionEvent>() {
         @Override
           public void handle(ActionEvent event) {
            Stage stageDisplocal=new Stage();
            Group gploc=new Group();
            Scene sceneloc=new Scene(gploc,200,200,Color.ALICEBLUE);
            stageDisplocal.setScene(sceneloc);
             TextArea ta=new TextArea("");

             ta.heightProperty().add(sceneloc.getHeight());
             ta.widthProperty().add(sceneloc.getWidth());

             try {
                 ta.setText(
                    "inf\n"
                            + "versao bluetooth "+localDevice.getProperty("bluetooth.api.version")
                            + "nlocal device"+localDevice.getBluetoothAddress()
                     +"\nloca find"+localDevice.getFriendlyName()
                     +"\n"+localDevice.getDiscoveryAgent().getClass()
             );
             } catch (Exception e) {
              e.getMessage();
             } gploc.getChildren().add(ta);


            stageDisplocal.show();

           }
       });
       stage.show();


    }


    public static void main(String[] args) {
        launch(args);
    }
}