Java by API/javax.microedition.media/Manager

Manager: createPlayer(InputStream arg0, String arg1) throws IOException, MediaException

 

import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.midlet.MIDlet;
public class DistributedToneMIDlet extends MIDlet {
  private Player tonePlayer;
  
  public DistributedToneMIDlet() {
    try {
      tonePlayer = Manager.createPlayer(getClass().getResourceAsStream(
        "/x.jts"), "audio/x-tone-seq");
    } catch(Exception e) {
      System.err.println(e);
    }
  }
  
  public void startApp() {
    try {
      if(tonePlayer != null)
        tonePlayer.start();
    } catch(Exception e) {
      System.err.println(e);
    }
  }
  
  public void pauseApp() {
  }
  
  public void destroyApp(boolean unconditional) {
  }
}

Manager: getSupportedContentTypes(String protocol)

 
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Manager;
import javax.microedition.midlet.MIDlet;
public class MediaInformationMIDlet extends MIDlet implements CommandListener {
  private Form mInformationForm;
  public void startApp() {
    if (mInformationForm == null) {
      mInformationForm = new Form("Content types and protocols");
      String[] contentTypes = Manager.getSupportedContentTypes(null);
      for (int i = 0; i < contentTypes.length; i++) {
        String[] protocols = Manager.getSupportedProtocols(contentTypes[i]);
        for (int j = 0; j < protocols.length; j++) {
          StringItem si = new StringItem(contentTypes[i] + ": ", protocols[j]);
          mInformationForm.append(si);
        }
      }
      Command exitCommand = new Command("Exit", Command.EXIT, 0);
      mInformationForm.addCommand(exitCommand);
      mInformationForm.setCommandListener(this);
    }
    Display.getDisplay(this).setCurrent(mInformationForm);
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
  public void commandAction(Command c, Displayable s) {
    notifyDestroyed();
  }
}

Manager: getSupportedProtocols(String content_type)

 
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Manager;
import javax.microedition.midlet.MIDlet;
public class MediaInformationMIDlet extends MIDlet implements CommandListener {
  private Form mInformationForm;
  public void startApp() {
    if (mInformationForm == null) {
      mInformationForm = new Form("Content types and protocols");
      String[] contentTypes = Manager.getSupportedContentTypes(null);
      for (int i = 0; i < contentTypes.length; i++) {
        String[] protocols = Manager.getSupportedProtocols(contentTypes[i]);
        for (int j = 0; j < protocols.length; j++) {
          StringItem si = new StringItem(contentTypes[i] + ": ", protocols[j]);
          mInformationForm.append(si);
        }
      }
      Command exitCommand = new Command("Exit", Command.EXIT, 0);
      mInformationForm.addCommand(exitCommand);
      mInformationForm.setCommandListener(this);
    }
    Display.getDisplay(this).setCurrent(mInformationForm);
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
  public void commandAction(Command c, Displayable s) {
    notifyDestroyed();
  }
}

Manager.MIDI_DEVICE_LOCATOR

 
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Display;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.MIDIControl;
import javax.microedition.midlet.MIDlet;
public class MIDICapabilitiesMIDlet extends MIDlet {
  public void startApp() {
    try {
      Player p = Manager.createPlayer(Manager.MIDI_DEVICE_LOCATOR);
      p.prefetch();
      MIDIControl mControl = (MIDIControl) p
          .getControl("javax.microedition.media.control.MIDIControl");
      String msg = mControl.isBankQuerySupported() ? "MIDIControl is fully supported"
          : "Minimum MIDIControl is provided";
      Display.getDisplay(this).setCurrent(new Alert("Message", msg, null, AlertType.INFO));
    } catch (Exception e) {
      System.err.println(e);
    }
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
}

Manager: playTone(int note, int duration, int volume) throws MediaException

 

import javax.microedition.midlet.MIDlet;
import javax.microedition.media.Manager;
import javax.microedition.media.MediaException;
public class CSharpMIDlet extends MIDlet {
  public CSharpMIDlet() {    
  }
  
  public void startApp() {
    try {
      Manager.playTone(61, 5000, 100);
    } catch(MediaException me) { System.err.println(me); }
  }
  
  public void pauseApp() {
  }
  
  public void destroyApp(boolean unconditional) {
  }
  
}

Manager.TONE_DEVICE_LOCATOR

 
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.ToneControl;
import javax.microedition.midlet.MIDlet;
public class ToneMIDlet extends MIDlet implements CommandListener {
  private Display mDisplay;
  private List mMainScreen;
  public void startApp() {
    mDisplay = Display.getDisplay(this);
    if (mMainScreen == null) {
      mMainScreen = new List("AudioMIDlet", List.IMPLICIT);
      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() {
    byte[] sequence = null;
      sequence = new byte[] { ToneControl.VERSION, 1, ToneControl.TEMPO, 22,
          ToneControl.BLOCK_START, 0, 60, 8, 62, 4, 64,
          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);
    }
  }
}