c0f3a71bed9a001b1a36b107245978e8

《J2ME实用教程》 源文件下载 本书没有仅仅局限于J2ME单机游戏的开发

/*
 * 缴费系统主程序
 */
package com.chapter16.bankbillClent;

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class BankBillMidlet extends MIDlet implements CommandListener {
	private Command exitCommand, commitCommand;

	private List mainList;

	Display display;

	public BankBillMidlet() {
		exitCommand = new Command("Exit", Command.EXIT, 1);
		commitCommand = new Command("选择", Command.SCREEN, 1);
		
		Image[] imageArray = null;
	    
	            try {	               
	                Image icon = Image.createImage("/remote.png");	        
	                // 设置列表所需要的图像数组
	                imageArray = new Image[] {
	                    icon, 
	                    icon, 
	                    icon
	                };
	            } catch (java.io.IOException err) {
	                // ignore the image loading failure the application can recover.
	            	System.out.print("load failed ...");
	            	imageArray = null;
	            }
	    
	            String[] stringArray = {
	                "登陆", 
	                "设置帐户信息", 
	                "缴费"
	            };
	            mainList = new List("移动银行缴费系统", Choice.IMPLICIT, stringArray, 
	                                imageArray);

	
	            mainList.addCommand(exitCommand);
	            mainList.addCommand(commitCommand);
	            //设置命令监听对象
	            mainList.setCommandListener(this);
		

	            display = Display.getDisplay(this);

	}

	protected void startApp() throws MIDletStateChangeException {
		display.setCurrent(mainList);
	}

	protected void pauseApp() {
	}

	protected void destroyApp(boolean p1) {
	}

	public void commandAction(Command c, Displayable d) {
		if (c == exitCommand) {
			destroyApp(false);
			notifyDestroyed();
		} else if (c == commitCommand) {
			if (d.equals(mainList)) {
                switch (((List)d).getSelectedIndex()) {
                    case 0:
                    	SignOnUI signForm = new SignOnUI(this,mainList);
            			display.setCurrent(signForm);
                        break;

                    case 1:                    	
                    	AccountInfoUI accinfoUI = new AccountInfoUI(this,mainList);
                    	display.setCurrent(accinfoUI);
                        break;
                       
                    case 2:
                    	 break;

                }
            }			
			
		}

	}
}