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1、/* To change this template, choose Tools | Templates* and open the template in the editor.*/import javax.microedition.lcdui.Choice;import javax.microedition.lcdui.Display;import javax.microedition.lcdui.Image;import javax.microedition.lcdui.List;import javax.microedition.media.Manager;import javax.m
2、icroedition.media.MediaException;import javax.microedition.media.control.ToneControl;import javax.microedition.midlet.*;/* author Administrator*/public class Midlet extends MIDlet Display display;List lst;public Midlet()display=Display.getDisplay(this);Image img=null;lst=new List(媒体类型, Choice.IMPLIC
3、IT);/ 获取手机支持的媒体类型String contentTypes = Manager.getSupportedContentTypes(null);/ 显示所支持的媒体类型for (int i = 0; i contentTypes.length; i+) lst.append(contentTypesi,img); / 增加支持的媒体类型到列表/ 如果支持乐音生成器，播放乐音if (contentTypesi.equals(audio/x-tone-seq) try Manager.playTone(ToneControl.C4, 2000, 100); /播放乐音catch(MediaException me) public void startApp() display.setCurrent(lst);public void pauseApp() public void destroyApp(boolean unconditional)
