irconnectiontest.java

人民邮电出版社的《J2ME手机开发入门》全部源代码

/*
 * IRConnectionTest.java
 *
 * Created on 2006年1月2日, 下午11:24
 */

import javax.microedition.io.CommConnection;
import javax.microedition.io.Connector;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 *
 * @author  Liu Bin
 * @version
 */
public class IRConnectionTest extends MIDlet implements CommandListener{
    private Form form = new Form("红外连接");
    
    public void startApp() {
        form.setCommandListener(this);
        form.addCommand(new Command("连接", Command.SCREEN, 1)) ;
        form.addCommand(new Command("退出", Command.EXIT, 1)) ;
        Display.getDisplay(this).setCurrent(form);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    
    public void commandAction(Command command,
            Displayable displayable) {
        if (command.getLabel().equals("退出")) {
            destroyApp(true);
            notifyDestroyed();
        } else if (command.getLabel().equals("连接")) {
            CommConnection cc;
            try {
                String conStr = "comm:IR1;baudrate=9600";
                cc = (CommConnection)Connector.open(conStr);
                form.append("打开红外端口IR1\n");
                int baudrate = cc.getBaudRate();
                form.append("连接速率:"+ baudrate + "\n");
                cc.close();
            }catch (Exception e) {
                form.append("打开红外端口错误: " + e.toString());
                System.out.println("打开红外端口错误: " + e.toString());
            } 
        }
    }
}