苦于E63没有秒表，网上找的不好用，就自己写个简单的

苦于E63没有秒表，网上找的不好用，就自己写个简单的 

两个类

package com.winder;
import java.io.IOException;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class StopTimeMain extends MIDlet implements CommandListener {
    private Display display; // 引用MIDlet的Display 对象
    private Command cmdExit; // 设定按钮用于退出MIDlet
    private Command cmdStart;
    private MainCanvas cv ;
    private String[] times = {"00:00:00.000","","","",""};
    // MIDlet构造程序
    public StopTimeMain() {
        display = Display.getDisplay(this);

        cmdExit = new Command("Exit", Command.OK, 1);
        cmdStart = new Command("Start", Command.CANCEL, 1);
        cv = new MainCanvas();
        String s[] = new String[5];
        cv.setStopTimes(times);
        cv.addCommand(cmdExit);
        cv.addCommand(cmdStart);
        cv.setCommandListener(this);
        try{
            Image[] ims = new Image[12];
            for(int i = 0; i < 12; i++){
                ims[i] = Image.createImage("/"+i+".png");
            }
            cv.setImages(ims);
        }catch(IOException e){}

    }

    public void startApp() {
        display.setCurrent(cv);
    }
    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }
    /**
     * 按钮处理
     */
    public void commandAction(Command c, Displayable s) {
        String cmdLabel = c.getLabel();
        if (cmdLabel.equals(cmdExit.getLabel())) {
            destroyApp(false);
            notifyDestroyed();
        }else if(cmdLabel.equals(cmdStart.getLabel())){
            if(!cv.getTime()){
                if( !"00:00:00.000".equals(times[0])){
                    int len = times.length - 1;
                    for(int i = 0; i < len ; i++){
                        times[len - i] = times[len - i - 1];
                    }
                    times[0] = "00:00:00.000";
                }
            }
            boolean ret = cv.setTime();
            if(ret){
                Thread t = new Thread(cv);
                t.start();
                cv.removeCommand(cmdStart);
                cmdStart = new Command("Stop", Command.CANCEL, 1);
                cv.addCommand(cmdStart);
            }else{
                cv.removeCommand(cmdStart);
                cmdStart = new Command("Start", Command.CANCEL, 1);
                cv.addCommand(cmdStart);
            }

        }
    }
}

 

第二个

package com.winder;
import java.io.IOException;
import java.util.Date;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
public class MainCanvas extends Canvas implements Runnable {
    private String[] stopTimes;

    private boolean time = false;

    private long longTime = 0;

    private Image images[] = new Image[0];

    public void setImages(Image[] i){
        this.images = i;
    }
    public synchronized void setStopTimes(String[] stopTimes){
        this.stopTimes = stopTimes;
    }
    public synchronized String[] getStopTimes(){
        return stopTimes;
    }
    public synchronized boolean setTime(){
        this.time = !time;
        return time;
    }

    public synchronized boolean getTime(){
        return time;
    }
    protected void paint(Graphics g) {
        Font font=Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD,Font.SIZE_LARGE);
        g.setFont(font);
        int len  = 0;
        int width = this.getWidth();
        int height = this.getHeight();
        g.setColor(0x000000);
        g.fillRect(0, 0, width, height);
        g.setColor(0xffffff);

        String stimes[] = getStopTimes();
        if(stimes != null ) len = stimes.length;
        int y = height/2 - (len * 30 +10)/2 ;

        for(int i = 0; i < len; i++){
            String text = stimes[i];
            if(text == null || text.equals("")) continue;


            int length = text.length();
            int[] num = new int[length];
            int x = width/2 - text.length()/2;
            x = x - length * 13 /2;
            System.out.println("text=" + text );
            for(int j = 0; j < length; j++){
                String str = text.substring(j, j + 1);
                if(":".equals(str)){
                    this.drawNum(g, 10 , x, y);
                }else if(".".equals(str)){
                    this.drawNum(g, 11 , x, y);
                }else{
                    num[j] = Integer.parseInt(str);
                    this.drawNum(g, Integer.parseInt(str) , x, y);
                }
                x = x + 13;
            }
            y = y + 30;
        }

    }
    private void drawNum(Graphics g,int n,int x,int y) {
        if(images == null || images.length < n || images[n] == null) return;
        g.drawImage(images[n], x, y,Graphics.LEFT|Graphics.TOP);
    }
    public void run() {
        if(time && stopTimes != null){
            longTime = System.currentTimeMillis();
            while(this.getTime()){
                long mill = System.currentTimeMillis() - longTime;
                String str = "";
                str = "" + mill % 1000;
                long h = mill / 1000 / 60 / 60;
                long m = mill / 1000 / 60 %60;
                long mi = mill / 1000 % 60;
                long ss = mill % 1000;
                String sss = "";
                if(ss < 10){
                    sss = "00" + ss;
                }else if(ss < 100){
                    sss = "0" + ss;
                }else{
                    sss = "" + ss;
                }
                str = "" + ((h < 10)? "0" : "") + h + ":" + (m < 10?"0":"") + m  + ":" +(mi < 10?"0":"") + mi+ "." + sss ;


                stopTimes[0] = str;
                repaint();
                this.serviceRepaints();


                try{
                    Thread.sleep(10);
                }catch(InterruptedException e){}
            }
        }

    }
}