midlet8.java

这是郭克华老师的J2ME视频的源代码

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 MIDlet8 extends MIDlet implements CommandListener{

	private List lst = new List("请您选择相应操作",List.IMPLICIT);
	private Display dis;
	
	protected void startApp() throws MIDletStateChangeException {
		dis = Display.getDisplay(this);
		dis.setCurrent(lst);

		lst.append("删除该号码", null);	
		lst.append("向该号码发送短信", null);
		lst.append("编辑该号码", null);
		lst.append("将该号码设置为好友", null);
		
		lst.setCommandListener(this);
	}	
	
	public void commandAction(Command c,Displayable d){
		if(c==List.SELECT_COMMAND){//特指IMPLICIT类型List被选择时的Command对象
			int selectedIndex = lst.getSelectedIndex();
			String str = lst.getString(selectedIndex);
			lst.setTitle(str);
		}

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