Java by API/javax.microedition.media/PlayerListener

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Версия от 14:38, 31 мая 2010; Admin (обсуждение | вклад) (1 версия)
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implements PlayerListener

 
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.PlayerListener;
import javax.microedition.midlet.MIDlet;
public class EchoEventsMIDlet extends MIDlet implements PlayerListener {
  private StringItem stringItem = new StringItem("", null);
  public void startApp() {
    try {
      Form form = new Form("Player State");
      form.append(stringItem);
      Display.getDisplay(this).setCurrent(form);
      Player player = Manager.createPlayer(getClass().getResourceAsStream("/b.wav"), "audio/x-wav");
      player.addPlayerListener(this);
      player.start();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
  public void playerUpdate(Player player, String event, Object eventData) {
    stringItem.setText(event);
    System.err.println(event);
  }
}





PlayerListener.CLOSED

 

import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Player;
import javax.microedition.media.PlayerListener;
import javax.microedition.media.control.VolumeControl;
public class EventHandler implements PlayerListener {
  private StringItem item;
  public EventHandler(StringItem item) {
    this.item = item;
  }
  public void playerUpdate(Player player, String event, Object eventData) {
    if (event == (PlayerListener.VOLUME_CHANGED)) {
      VolumeControl vc = (VolumeControl) eventData;
      updateDisplay("Volume Changed to: " + vc.getLevel());
      if (vc.getLevel() > 60) {
        updateDisplay("Volume higher than 60 is too loud");
        vc.setLevel(60);
      }
    } else if (event == (PlayerListener.STOPPED)) {
      updateDisplay("Player paused at: " + (Long) eventData);
    } else if (event == (PlayerListener.STARTED)) {
      updateDisplay("Player started at: " + (Long) eventData);
    } else if (event == (PlayerListener.END_OF_MEDIA)) {
      updateDisplay("Player reached end of loop.");
    } else if (event == (PlayerListener.CLOSED)) {
      updateDisplay("Player closed.");
    } else if (event == (PlayerListener.ERROR)) {
      updateDisplay("Error Message: " + (String) eventData);
    }
  }
  public void updateDisplay(String text) {
    item.setText(text);
    System.err.println(text);
  }
}





PlayerListener.END_OF_MEDIA

 

import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Player;
import javax.microedition.media.PlayerListener;
import javax.microedition.media.control.VolumeControl;
public class EventHandler implements PlayerListener {
  private StringItem item;
  public EventHandler(StringItem item) {
    this.item = item;
  }
  public void playerUpdate(Player player, String event, Object eventData) {
    if (event == (PlayerListener.VOLUME_CHANGED)) {
      VolumeControl vc = (VolumeControl) eventData;
      updateDisplay("Volume Changed to: " + vc.getLevel());
      if (vc.getLevel() > 60) {
        updateDisplay("Volume higher than 60 is too loud");
        vc.setLevel(60);
      }
    } else if (event == (PlayerListener.STOPPED)) {
      updateDisplay("Player paused at: " + (Long) eventData);
    } else if (event == (PlayerListener.STARTED)) {
      updateDisplay("Player started at: " + (Long) eventData);
    } else if (event == (PlayerListener.END_OF_MEDIA)) {
      updateDisplay("Player reached end of loop.");
    } else if (event == (PlayerListener.CLOSED)) {
      updateDisplay("Player closed.");
    } else if (event == (PlayerListener.ERROR)) {
      updateDisplay("Error Message: " + (String) eventData);
    }
  }
  public void updateDisplay(String text) {
    item.setText(text);
    System.err.println(text);
  }
}





PlayerListener.STARTED

 

import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Player;
import javax.microedition.media.PlayerListener;
import javax.microedition.media.control.VolumeControl;
public class EventHandler implements PlayerListener {
  private StringItem item;
  public EventHandler(StringItem item) {
    this.item = item;
  }
  public void playerUpdate(Player player, String event, Object eventData) {
    if (event == (PlayerListener.VOLUME_CHANGED)) {
      VolumeControl vc = (VolumeControl) eventData;
      updateDisplay("Volume Changed to: " + vc.getLevel());
      if (vc.getLevel() > 60) {
        updateDisplay("Volume higher than 60 is too loud");
        vc.setLevel(60);
      }
    } else if (event == (PlayerListener.STOPPED)) {
      updateDisplay("Player paused at: " + (Long) eventData);
    } else if (event == (PlayerListener.STARTED)) {
      updateDisplay("Player started at: " + (Long) eventData);
    } else if (event == (PlayerListener.END_OF_MEDIA)) {
      updateDisplay("Player reached end of loop.");
    } else if (event == (PlayerListener.CLOSED)) {
      updateDisplay("Player closed.");
    } else if (event == (PlayerListener.ERROR)) {
      updateDisplay("Error Message: " + (String) eventData);
    }
  }
  public void updateDisplay(String text) {
    item.setText(text);
    System.err.println(text);
  }
}





PlayerListener.STOPPED

 

import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Player;
import javax.microedition.media.PlayerListener;
import javax.microedition.media.control.VolumeControl;
public class EventHandler implements PlayerListener {
  private StringItem item;
  public EventHandler(StringItem item) {
    this.item = item;
  }
  public void playerUpdate(Player player, String event, Object eventData) {
    if (event == (PlayerListener.VOLUME_CHANGED)) {
      VolumeControl vc = (VolumeControl) eventData;
      updateDisplay("Volume Changed to: " + vc.getLevel());
      if (vc.getLevel() > 60) {
        updateDisplay("Volume higher than 60 is too loud");
        vc.setLevel(60);
      }
    } else if (event == (PlayerListener.STOPPED)) {
      updateDisplay("Player paused at: " + (Long) eventData);
    } else if (event == (PlayerListener.STARTED)) {
      updateDisplay("Player started at: " + (Long) eventData);
    } else if (event == (PlayerListener.END_OF_MEDIA)) {
      updateDisplay("Player reached end of loop.");
    } else if (event == (PlayerListener.CLOSED)) {
      updateDisplay("Player closed.");
    } else if (event == (PlayerListener.ERROR)) {
      updateDisplay("Error Message: " + (String) eventData);
    }
  }
  public void updateDisplay(String text) {
    item.setText(text);
    System.err.println(text);
  }
}