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使用MMAPI播放声音序列

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.*;

import javax.microedition.media.control.*;

public class ToneMIDlet extends MIDlet implements CommandListener {

private final static String kSoundOfMusic = "Sound of Music";

private final static String kQuandoMenVo = "Quando men vo";

private final static String kTwinkle = "Twinkle number VII";

private Display mDisplay;

private List mMainScreen;

public void startApp() {

mDisplay = Display.getDisplay(this);

if (mMainScreen == null) {

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

mMainScreen.append(kSoundOfMusic, null);

mMainScreen.append(kQuandoMenVo, null);

mMainScreen.append(kTwinkle, 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 run();

}

public void run() {

String selection = mMainScreen.getString(

mMainScreen.getSelectedIndex());

byte[] sequence = null;

if (selection.equals(kSoundOfMusic)) {

sequence = new byte[] {

ToneControl.VERSION, 1,

67, 16, // The

69, 16, // hills

67, 8, // are

65, 8, // a -

64, 48, // live

62, 8, // with

60, 8, // the

59, 16, // sound

57, 16, // of

59, 32, // mu -

59, 32 // sic

};

}

else if (selection.equals(kQuandoMenVo)) {

sequence = new byte[] {

ToneControl.VERSION, 1,

ToneControl.TEMPO, 22,

ToneControl.RESOLUTION, 96,

64, 48, ToneControl.SILENCE, 8, 52, 4, 56, 4, 59, 4, 64, 4,

63, 48, ToneControl.SILENCE, 8, 52, 4, 56, 4, 59, 4, 63, 4,

61, 72,

ToneControl.SILENCE, 12, 61, 12,

63, 12, 66, 2, 64, 10, 63, 12, 61, 12,

64, 12, 57, 12, 57, 48,

ToneControl.SILENCE, 12, 59, 12,

61, 12, 64, 2, 63, 10, 61, 12, 59, 12,

63, 12, 56, 12, 56, 48,

};

}

else if (selection.equals(kTwinkle)) {

sequence = new byte[] {

ToneControl.VERSION, 1,

ToneControl.TEMPO, 22,

ToneControl.BLOCK_START, 0,

60, 8, 62, 4, 64, 4, 65, 4, 67, 4, 69, 4, 71, 4,

72, 4, 74, 4, 76, 4, 77, 4, 79, 4, 81, 4, 83, 4, 84, 4,

83, 4, 81, 4, 80, 4, 81, 4, 86, 4, 84, 4, 83, 4, 81, 4,

81, 4, 79, 4, 78, 4, 79, 4, 60, 4, 79, 4, 88, 4, 79, 4,

57, 4, 77, 4, 88, 4, 77, 4, 59, 4, 77, 4, 86, 4, 77, 4,

56, 4, 76, 4, 86, 4, 76, 4, 57, 4, 76, 4, 84, 4, 76, 4,

53, 4, 74, 4, 84, 4, 74, 4, 55, 4, 74, 4, 83, 4, 74, 4,

84, 16, ToneControl.SILENCE, 16,

ToneControl.BLOCK_END, 0,

ToneControl.BLOCK_START, 1,

79, 4, 84, 4, 88, 4, 86, 4, 84, 4, 83, 4, 81, 4, 79, 4,

77, 4, 76, 4, 74, 4, 72, 4, 71, 4, 69, 4, 67, 4, 65, 4,

64, 8, 76, 8, 77, 8, 78, 8,

79, 12, 76, 4, 74, 8, ToneControl.SILENCE, 8,

ToneControl.BLOCK_END, 1,

ToneControl.SET_VOLUME, 100, ToneControl.PLAY_BLOCK, 0,

ToneControl.SET_VOLUME, 50, ToneControl.PLAY_BLOCK, 0,

ToneControl.SET_VOLUME, 100, ToneControl.PLAY_BLOCK, 1,

ToneControl.SET_VOLUME, 50, ToneControl.PLAY_BLOCK, 1,

ToneControl.SET_VOLUME, 100, ToneControl.PLAY_BLOCK, 0,

};

}

try {

Player player = Manager.createPlayer(Manager.TONE_DEVICE_LOCATOR);

player.realize();

ToneControl tc = (ToneControl)player.getControl("ToneControl");

tc.setSequence(sequence);

player.start();

}

catch (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)

 
 
 
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