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最近有点乱糟糟,还是继续写完剩下的:
根据 黑莓开发学习入门系列,自己动手实现一个日历软件(二)实现一个黑莓应用程序最基本的结构,我们真正的可以实现日历了:
新建一个工程 calender:作为日历的完整工程开始实现一个日历小程序 
创建类CalendarMain.java 作为日历的入口
创建日历布局外观类:CalenderLayout.java,作为主要的日历布局
CalendarMain类的应该如下结构:
<!--<br /> <br /> Code highlighting produced by Actipro CodeHighlighter (freeware)<br /> http://www.CodeHighlighter.com/<br /> <br /> -->package org.bulktree.calender;

import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.container.MainScreen;

public class CalendarMain extends UiApplication {

    
public static void main(String[] args) {
        CalendarMain theApp 
= new CalendarMain();
        theApp.enterEventDispatcher();
    }

    
public CalendarMain() {
        MainScreen mainScreen 
= new MainScreen();
        CalenderLayout calender 
= new CalenderLayout();
        mainScreen.add(calender.calLayout());
        pushScreen(mainScreen);
    }
}
黑莓程序入口总是先实现当前的屏幕pushScreen(mainScreen)压入当前屏幕队列,然后维护主应用程序事件线程。
对于屏幕布局就很简单了:先画一个布局图 
我用Excel模拟出一个日历,不同的颜色区域(当前日历红色除外),把整个日历作为分成三块,如果按照BlackBerry程序的方式,分为三个布局管理器,最上面是一个HorizontalFieldManager,日历的周那个区域也是HorizontalFieldManager,日期区域每行看成一个HorizontalFieldManager,整体看成一个VerticalFieldManager,而整个日历可看成一个VerticalFieldManager去规范里面的布局。这样一个完整的日历就出来了。具体实现如下:
<!--<br /> <br /> Code highlighting produced by Actipro CodeHighlighter (freeware)<br /> http://www.CodeHighlighter.com/<br /> <br /> -->package org.bulktree.calender;

import java.util.Calendar;

import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FocusChangeListener;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.Manager;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.container.HorizontalFieldManager;
import net.rim.device.api.ui.container.VerticalFieldManager;

public class CalenderLayout {
    
    
private static String[] wks = {""""""""""""""};
    
    
private LabelField ax = null;
    
    
public Manager calLayout() {
        Manager calender 
= new VerticalFieldManager();
        
//日历头
        Manager calHeader = new HorizontalFieldManager();
        Calendar cale 
= Calendar.getInstance();
        ChineseCalendar chin 
= new ChineseCalendar(cale);
        String calHeaderString 
= "阴历:" + CalendarUtil.getCurrentYear() + "年 " + chin.getChineseCalendarMonth() + "月 "+ chin.getChinaDayString() + "日{" + chin.getCyclical() + "-" + chin.getAnimalsYear() + "年}";
        ax 
= new LabelField(calHeaderString, LabelField.HCENTER);
        setFont(ax, 
131);
        calHeader.add(ax);
        LabelField ay 
= new LabelField("  阳历:" + CalendarUtil.getCurrentMonth() + "");
        setFont(ay, 
131);
        calHeader.add(ay);
        
        calender.add(calHeader);
        
//星期头
        Manager weakHeader = new HorizontalFieldManager();
        CalenderField whf 
= null;
        
        
for (int i = 0; i < 7; i++) {
            whf 
= new CalenderField(wks[i], CalenderField.RECTANGLE, CalenderField.NON_FOCUSABLE, 1);
            setFont(whf, 
151);
            weakHeader.add(whf);
        }
        calender.add(weakHeader);
        
        
//日历体
        int a = CalendarUtil.getWeekCurrntMonthFirstDay();
//        int a = CalendarUtil.getWeekMonthFirstDay(2011, 1);
        int b = CalendarUtil.getCurrentDaysOfMonth();
//        int b = CalendarUtil.getDaysOfMonth(2011, 1);
        Manager calBody = new HorizontalFieldManager();
        calBody.setBorder(
1111);
        
for (int i = 0; i < a; i++) {
            calBody.add(
new CalenderField("", CalenderField.RECTANGLE, CalenderField.NON_FOCUSABLE, 1));
        }
        CalenderField yac 
= null;
        CalenderField yc 
= null;
        
for (int i = 1; i <= b; i++) {
            Manager cellManger 
= new VerticalFieldManager();
            yac 
= new CalenderField(i + "", CalenderField.HCENTER, CalenderField.FOCUSABLE, 1);
            setFont(yac, 
150);
            cellManger.add(yac);
            Calendar cx 
= Calendar.getInstance();
            cx.set(Calendar.DATE, i);
            
final ChineseCalendar chines = new ChineseCalendar(cx);
            yc 
= new CalenderField(chines.getChinaDayString(), CalenderField.HCENTER, CalenderField.NON_FOCUSABLE, 1);
            setFont(yc, 
100);
            
            yac.setFocusListener(
new FocusChangeListener() {
                
public void focusChanged(Field field, int eventType) {
                    String text 
= "阴历:" + chines.getChineseCalenderYear() + "年 " + chines.getChineseCalendarMonth() + "月 "+ chines.getChinaDayString() + "日{" + chines.getCyclical() + "-" + chines.getAnimalsYear() + "年}";
                    updateCalendarHeader(text);
                }
            });
            
            
if (Calendar.getInstance().get(Calendar.DATE) == i) {
                setFont(yac, 
151);
                setFont(yc, 
101);
            }
            cellManger.add(yc);
            calBody.add(cellManger);
            
if ((i + a) % 7 ==0) {
                calender.add(calBody); 
                calBody 
= new HorizontalFieldManager();
            }
        }
        calender.add(calBody);
        
        
return calender;
    }

    
/**
     * 设置字体风格
     * 
@param obj
     * 
@param size
     * 
@param isBlod 是否加粗, 1加粗, 0 正常
     
*/
    
private void setFont(Field obj, int size, int isBlod) {
        
int fontStyle = isBlod == 1 ? Font.BOLD : Font.PLAIN;
        obj.setFont(Font.getDefault().derive(fontStyle, size));
    }
    
    
private void updateCalendarHeader(String text) {
        ax.setText(text);
    }
}
这里面用到CalendarUtil工具类,ChineseCalendar农历工具类,CalenderField自定义的UI(上篇专门说明过)。现贴出代码如下:
<!--<br /> <br /> Code highlighting produced by Actipro CodeHighlighter (freeware)<br /> http://www.CodeHighlighter.com/<br /> <br /> -->package org.bulktree.calender;

import java.util.Calendar;

/**
 * 日历工具类
 * 
 * 
@author Administrator
 * 
 
*/
public class CalendarUtil {

    
private static Calendar cal = Calendar.getInstance();

    
public static String getCurrentYear() {
        
return "" + cal.get(Calendar.YEAR);
    }

    
public static String getCurrentMonth() {
        
return "" + (cal.get(Calendar.MONTH) + 1);
    }

    
//返回当前月第一天的星期
    public static int getWeekCurrntMonthFirstDay() {
        cal 
= Calendar.getInstance();
        
return getWeekMonthFirstDay(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH));
    }
    
    
//返回指定月第一天的星期
    public static int getWeekMonthFirstDay(int year, int month) {
        cal.set(Calendar.YEAR, year);
        cal.set(Calendar.MONTH, month);
        cal.set(Calendar.DATE, 
1);
        
return cal.get(Calendar.DAY_OF_WEEK) - 1;
    }
    
    
//返回当月天数
    public static int getCurrentDaysOfMonth() {
        cal 
= Calendar.getInstance();
        
return getDaysOfMonth(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH));
    }
    
//返回指定月的天数
    public static int getDaysOfMonth(int year, int month) {
        cal.set(Calendar.YEAR, year);
        cal.set(Calendar.MONTH, month 
+ 1);
        cal.set(Calendar.DAY_OF_MONTH, 
1);
        cal.set(Calendar.DATE, cal.get(Calendar.DATE) 
-1);
        
return cal.get(Calendar.DAY_OF_MONTH);
    }
}
<!--<br /> <br /> Code highlighting produced by Actipro CodeHighlighter (freeware)<br /> http://www.CodeHighlighter.com/<br /> <br /> -->package org.bulktree.calender;

import java.util.Calendar;

public class ChineseCalendar {   
    
private int year;   
    
private int month;   
    
private int day;   
    
private boolean leap;   
    
final static String chineseNumber[] = {"""""""""""""""""""""十一""十二"};   
    
final static long[] lunarInfo = new long[]   
    {
0x04bd80x04ae00x0a5700x054d50x0d2600x0d9500x165540x056a00x09ad00x055d2,   
     
0x04ae00x0a5b60x0a4d00x0d2500x1d2550x0b5400x0d6a00x0ada20x095b00x14977,   
     
0x049700x0a4b00x0b4b50x06a500x06d400x1ab540x02b600x095700x052f20x04970,   
     
0x065660x0d4a00x0ea500x06e950x05ad00x02b600x186e30x092e00x1c8d70x0c950,   
     
0x0d4a00x1d8a60x0b5500x056a00x1a5b40x025d00x092d00x0d2b20x0a9500x0b557,   
     
0x06ca00x0b5500x153550x04da00x0a5d00x145730x052d00x0a9a80x0e9500x06aa0,   
     
0x0aea60x0ab500x04b600x0aae40x0a5700x052600x0f2630x0d9500x05b570x056a0,   
     
0x096d00x04dd50x04ad00x0a4d00x0d4d40x0d2500x0d5580x0b5400x0b5a00x195a6,   
     
0x095b00x049b00x0a9740x0a4b00x0b27a0x06a500x06d400x0af460x0ab600x09570,   
     
0x04af50x049700x064b00x074a30x0ea500x06b580x055c00x0ab600x096d50x092e0,   
     
0x0c9600x0d9540x0d4a00x0da500x075520x056a00x0abb70x025d00x092d00x0cab5,   
     
0x0a9500x0b4a00x0baa40x0ad500x055d90x04ba00x0a5b00x151760x052b00x0a930,   
     
0x079540x06aa00x0ad500x05b520x04b600x0a6e60x0a4e00x0d2600x0ea650x0d530,   
     
0x05aa00x076a30x096d00x04bd70x04ad00x0a4d00x1d0b60x0d2500x0d5200x0dd45,   
     
0x0b5a00x056d00x055b20x049b00x0a5770x0a4b00x0aa500x1b2550x06d200x0ada0};   
  
    
//====== 传回农历 y年的总天数   
    final private static int yearDays(int y) {   
        
int i, sum = 348;   
        
for (i = 0x8000; i > 0x8; i >>= 1) {   
            
if ((lunarInfo[y - 1900& i) != 0) sum += 1;   
        }   
        
return (sum + leapDays(y));   
    }   
  
    
//====== 传回农历 y年闰月的天数   
    final private static int leapDays(int y) {   
        
if (leapMonth(y) != 0) {   
            
if ((lunarInfo[y - 1900& 0x10000!= 0)   
                
return 30;   
            
else  
                
return 29;   
        } 
else  
            
return 0;   
    }   
  
    
//====== 传回农历 y年闰哪个月 1-12 ,&nb#
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1 楼 tuan232311009 2011-12-21  
不错!

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