progress.java

这是一个手机上的J2ME程序

// J2ME Compass
// Copyright (C) 2007 Dana Peters
// http://www.qcontinuum.org/compass

package org.qcontinuum.compass;

import javax.microedition.lcdui.*;
import java.util.*;

abstract public class Progress extends Form implements CommandListener, Runnable {

    private Displayable mParent;
    private Command mCancelCommand;
    private Thread mThread;
//    private Timer mTimer;

    public Progress(String title, Displayable parent) {
        super(title);
        mParent = parent;
        append(new StringItem(null, "Please wait...\n"));
        addCommand(mCancelCommand = new Command("Cancel", Command.CANCEL, 0));
        setCommandListener(this);
        mThread = new Thread(this);
    }

    public void start() {
        mThread.start();
    }
    
    abstract public void run();

    public void commandAction(Command c, Displayable d)  {
        if (c == mCancelCommand) {
            Compass.display(mParent);
        }
    }

}