package prj3_1;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class MIDlet7 extends MIDlet implements CommandListener{

	private List lst = new List("請您選擇相應操作",List.MULTIPLE);
	private Display dis;
	private Command cmdOK = new Command("確定",Command.SCREEN,1);
	
	protected void startApp() throws MIDletStateChangeException {
		dis = Display.getDisplay(this);
		dis.setCurrent(lst);

		lst.append("刪除該號碼", null);	
		lst.append("向該號碼發送短信", null);
		lst.append("編輯該號碼", null);
		lst.append("將該號碼設置為好友", null);
		
		lst.addCommand(cmdOK);
		
		lst.setCommandListener(this);
	}	
	
	public void commandAction(Command c,Displayable d){
		/*方法1：遍歷各個選項，判斷每項有沒有被選
		int size = lst.size();
		for(int i=0;i<size;i++){
			if(lst.isSelected(i)){
				System.out.println(lst.getString(i));
			}
		}*/
		/*方法2：getSelectedFlags然后判斷哪些項被選*/
		int size = lst.size();
		boolean[] flags = new boolean[size];
		lst.getSelectedFlags(flags);
		for(int i=0;i<size;i++){
			if(flags[i]){
				System.out.println(lst.getString(i));
			}
		}

	}
	
	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		// TODO Auto-generated method stub
		
	}
	protected void pauseApp() {
		// TODO Auto-generated method stub
	}
	
}