phonelist.java

手机通讯录说明： 手机通讯录程序实现了简单的手机通讯录功能

/**源代码由程序员联合开发网(www.pudn.com)会员"周润发"收集、整理、重新编辑
 *Email: [e-mail]
 *QQ号：1103798882
 *欢迎大家与我联系互相交流学习 
 **/
package rms_cn;

import java.util.Vector;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;
import javax.microedition.rms.RecordStoreNotOpenException;

public class PhoneList extends List implements CommandListener{
	private Command cmdBack = new Command("返回",Command.BACK,1);
	private Command cmdAdd = new Command("添加电话",Command.SCREEN,1);
	private Command cmdDel = new Command("删除电话",Command.SCREEN,1);
	private PhoneMIDlet pm;		
	
	public PhoneList(PhoneMIDlet pm){
		super("电话本",List.IMPLICIT);
		this.pm = pm;
		this.addCommand(cmdBack);
		this.addCommand(cmdAdd);
		this.addCommand(cmdDel);
		this.setCommandListener(this);
	}
	
	public void commandAction(Command c,Displayable d){
		if(c==cmdBack){//返回欢迎界面
			this.deleteAll();			
			pm.changeInterface("Welcomecanvas");
		}
		else if(c==cmdAdd){
			pm.changeInterface("AddForm");
		}
		else if (c==cmdDel){
			//删除记录...			
			this.delete();			
			this.deleteAll();			
			pm.changeInterface("PhoneList");//更新				
		}
	}
		/*载入所有电话*/
		public void loadPhones(){
			RMSOpe rmsope = new RMSOpe("PhoneStore");
			rmsope.openRecordStore();
			Vector v = null;
			try {
				v = rmsope.getAllPhone();
			} catch (RecordStoreNotOpenException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}			
			for(int i=0;i<v.size();i++){
				this.append((String)v.elementAt(i), null);				
			}
			rmsope.closeRecordStore();
		}
		/*删除电话*/
		public void delete(){
			RMSOpe rmsope = new RMSOpe("PhoneStore");
			rmsope.openRecordStore();
			rmsope.deletePhone(this.getString(this.getSelectedIndex()));
			rmsope.closeRecordStore();
		}
		/*删除所有电话*/
		public void deleteAll(){
			int Phone_cnt = this.size();			
			try{
				for(int i=0;i<=Phone_cnt;i++){
					this.delete(this.getSelectedIndex());				
				}
			}catch(Exception ex){
				ex.printStackTrace();			
			}					
		}
}