clock.java

来自「J2ME开发精解程序的源码 很好的学习资料」· Java 代码 · 共 38 行

package com.j2medev.chapter5.utility;

public class Clock {
    long time;
    
    long pausedTime;
    
    long lastTime;
    
    boolean pauseFlag;
    
    public void restart() {
        resume();
        lastTime = System.currentTimeMillis();
        time = 0;
    }
    
    public void resume() {
        lastTime = System.currentTimeMillis();
        pauseFlag=false;
    }
    
    public void pause() {
        getTime();
        pauseFlag = true;
    }
    
    public long getTime() {
        if (!pauseFlag) {
            long now = System.currentTimeMillis();
            time += now - lastTime;
            lastTime = now;
        }
        return time;
    }
    
}