J2ME

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Java

phoneList.java：源码内容

							package phoneLeter;
import java.util.Vector;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;
import javax.microedition.lcdui.Command;
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("通讯录",List.IMPLICIT);
		this.pm=pm;
		this.addCommand(cmdBack);
		this.addCommand(cmdAdd);
		this.addCommand(cmdDel);
		this.setCommandListener(this);
	}
	public void commandAction(Command arg0, Displayable arg1) {
		if(arg0==cmdBack)
		{
			//返回欢迎界面
			pm.changeInterface("WelcomeCanvas");
		}
		else if(arg0==cmdAdd)
		{
			//添加电话界面
			pm.changeInterface("addPhone");
		}
		else if(arg0==cmdDel)
		{
			//删除电话
			this.delete();
			//更新
			pm.changeInterface("phoneList");
		}
		
	}
	//载入所有电话
	public void loadPhones()
	{
		RMSope rmsope=new RMSope("PhoneStore");
		rmsope.openRecordStore();
		Vector v=rmsope.getAllPhone();
		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()));
	}
}

						