infosun.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 java.util.*;
import javax.microedition.lcdui.*;
import org.qcontinuum.astro.*;

public class InfoSun extends Progress {
    
    private Displayable mParent;
    
    public InfoSun(Displayable parent) {
        super("Sun", parent);
        mParent = parent;
        start();
    }

    public void run() {
        Date localDate = Compass.getDate();
        SunMoonPosition sunMoonPosition = new SunMoonPosition(localDate);
        HorizontalPosition sunPosition = sunMoonPosition.getSunPosition();
        Location location = Compass.getPreferences().getLocation();
        RiseSetTime riseSetTime = new RiseSetTime(RiseSetTime.SUNRISESET, location.getGmt(localDate),
                location.getDstOffset(localDate), location.getEarthPosition());
        InfoDisplay infoDisplay = new InfoDisplay("Sun", mParent);
        infoDisplay.append(new StringItem("Azimuth:", Compass.getFloat(sunPosition.getAzimuthFloat(), 1) + "癨n"));
        infoDisplay.append(new StringItem("Altitude:", Compass.getFloat(sunPosition.getElevationFloat(), 1) +"癨n"));
        infoDisplay.append(new StringItem(null, " \n"));
        infoDisplay.append(new StringItem("Rise:", Compass.getTime(riseSetTime.getRiseTime()) + "\n"));
        infoDisplay.append(new StringItem("Transit:", Compass.getTime(riseSetTime.getTransitTime()) + "\n"));
        infoDisplay.append(new StringItem("Set:", Compass.getTime(riseSetTime.getSetTime())));
        if (isShown())
            Compass.display(infoDisplay);
    }
   
}