gpsmidlet.java

一个用于手机蓝牙通讯的程序

package gps;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class GPSMidlet extends MIDlet implements CommandListener {

	private static final String GPS_BT_URL = "btspp://000A84000203:1";//000A84000203
	private Display display;

	private GPSCanvas gpsCanvas;

	private Command exitCommand;
	private Command pauseCommand;
	private Command resumeCommand;
	private Command startCommand ;

	public GPSMidlet() {

		display = Display.getDisplay(this);
		exitCommand = new Command("Exit", Command.SCREEN, 2);
		//pauseCommand = new Command("Pause", Command.SCREEN, 2);
		startCommand = new Command("Start", Command.SCREEN, 0);
		//GPSRecord.test();
	}

	public void startApp() {

		gpsCanvas = new GPSCanvas(this,GPS_BT_URL);
		gpsCanvas.addCommand(exitCommand);
		gpsCanvas.addCommand(startCommand);
		gpsCanvas.setCommandListener(this);
		display.setCurrent(gpsCanvas);
	}

	public void pauseApp() {
	}

	public void destroyApp(boolean unconditional) {
		System.gc();
	}
        public void commandAction(Command c, Displayable arg1) {
		if (c == exitCommand) {
                  destroyApp(false);
                  notifyDestroyed();
		}else if (c==startCommand){
                  gpsCanvas.start();
		}
	}
}