noninteractivegaugerunnable.java

来自「J2ME手机游戏开发技术详解随书光盘」· Java 代码 · 共 42 行

import javax.microedition.lcdui.*;
public class NonInteractiveGaugeRunnable extends Gauge implements Runnable {
    private int maxValue = 10;
    private int delta = 1;
    private boolean isRun = false;
    private boolean isStop = false;
    public NonInteractiveGaugeRunnable(String label, int maxValue,
				       int initialValue) {
        super(label, false, maxValue, initialValue);
        this.maxValue = maxValue;
        new Thread(this).start();
    }
    public void run() {
        while (!isRun) {
            // decide whether the gauge should start moving
            // backwards or forwards.
            if(!isStop){
            int newValue = getValue() + delta;
            if (newValue == maxValue) {
                delta = -1;
            } else if (newValue == 0) {
                delta = 1;
            }
            setValue(newValue);
            }
            try {
                Thread.currentThread().sleep(1000);
            } catch (InterruptedException err) {
            }
        }
    }
    void setDone() {
        isRun = true;
    }
    void reStart(){
    	isStop = false;
    }
    void stop(){
        isStop = true;
    }
}