Screan对象
import javax.microedition.lcdui.Choice; 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 screemObject extends MIDlet implements CommandListener { Display display = null; public screemObject() { super(); } protected void destroyApp(boolean arg0) throws MIDletStateChangeException { // TODO Auto-generated method stub } protected void pauseApp() { // TODO Auto-generated method stub } protected void startApp() throws MIDletStateChangeException { display=Display.getDisplay(this); List l=new List("List test",Choice.EXCLUSIVE); l.append("语文",null); l.append("数学", null); l.append("英语", null); l.setSelectedIndex(1, true); l.addCommand(new Command("确定",Command.OK,1)); l.setCommandListener((CommandListener) this); display.setCurrent(l); } public void commandAction(Command c,Displayable d) { String cmd = c.getLabel(); if(cmd.equals("确定")); { List l = (List)d; int i = l.getSelectedIndex(); System.out.println("你选择了第 "+i+" 个选项"); String con = l.getString(i); System.out.println("选项的名称为 "+ con); } } }
作者:王春明
出处:http://wangchunming.cnblogs.com/
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