midlet4.java

来自「这是郭克华老师的J2ME视频的源代码」· Java 代码 · 共 52 行

package prj3_1;

import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class MIDlet4 extends MIDlet{

	private List lst = new List("请您选择相应操作",List.MULTIPLE);
	private Display dis;
	
	protected void startApp() throws MIDletStateChangeException {
		dis = Display.getDisplay(this);
		dis.setCurrent(lst);
		//添加
		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);
		//删除
		lst.delete(1);
		//修改
		lst.set(0, "删除", null);
		//在某个位置插入
		lst.insert(0, "最新的选项", null);
		//得到某一项文本
		System.out.println(lst.getString(1));
		//设置图片
		Image img = null;
		try{
			img = Image.createImage("/img.png");
		}catch(Exception ex){}
		lst.append("含图片选项", img);
		//设置字体
		Font f = Font.getFont(Font.FACE_PROPORTIONAL,Font.STYLE_BOLD|Font.STYLE_ITALIC,Font.SIZE_LARGE);
		lst.setFont(0, f);
		
	}	
	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		// TODO Auto-generated method stub
		
	}
	protected void pauseApp() {
		// TODO Auto-generated method stub
	}
	
}