使用MMAPI播放多媒体文件

王朝other·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

import Java.io.*;

import javax.microedition.io.*;

import javax.microedition.lcdui.*;

import javax.microedition.midlet.*;

import javax.microedition.media.*;

public class AudioMIDlet

extends MIDlet

implements CommandListener, Runnable {

private Display mDisplay;

private List mMainScreen;

public void startApp() {

mDisplay = Display.getDisplay(this);

if (mMainScreen == null) {

mMainScreen = new List("AudioMIDlet", List.IMPLICIT);

mMainScreen.append("Via HTTP", null);

mMainScreen.append("From resource", null);

mMainScreen.addCommand(new Command("Exit", Command.EXIT, 0));

mMainScreen.addCommand(new Command("Play", Command.SCREEN, 0));

mMainScreen.setCommandListener(this);

}

mDisplay.setCurrent(mMainScreen);

}

public void pauseApp() {}

public void destroyApp(boolean unconditional) {}

public void commandAction(Command c, Displayable s) {

if (c.getCommandType() == Command.EXIT) notifyDestroyed();

else {

Form waitForm = new Form("Loading...");

mDisplay.setCurrent(waitForm);

Thread t = new Thread(this);

t.start();

}

}

public void run() {

String selection = mMainScreen.getString(

mMainScreen.getSelectedIndex());

boolean viaHttp = selection.equals("Via HTTP");

if (viaHttp)

playViaHttp();

else

playFromResource();

}

private void playViaHttp() {

try {

String url = getAppProperty("AudioMIDlet-URL");

Player player = Manager.createPlayer(url);

player.start();

}

catch (Exception e) {

showException(e);

return;

}

mDisplay.setCurrent(mMainScreen);

}

private void playFromResource() {

try {

InputStream in = getClass().getResourceAsStream("/relax.wav");

Player player = Manager.createPlayer(in, "audio/x-wav");

player.start();

}

catch (Exception e) {

showException(e);

return;

}

mDisplay.setCurrent(mMainScreen);

}

private void showException(Exception e) {

Alert a = new Alert("Exception", e.toString(), null, null);

a.setTimeout(Alert.FOREVER);

mDisplay.setCurrent(a, mMainScreen);

}

}

(出处:http://www.knowsky.com)

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
 
 
© 2005- 王朝網路 版權所有 導航