Java Tutorial/J2ME/Video

Display Video

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Canvas;
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.Graphics;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.List;
import javax.microedition.lcdui.StringItem;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.GUIControl;
import javax.microedition.media.control.VideoControl;
import javax.microedition.midlet.MIDlet;
public class DisplayVideoMIDlet extends MIDlet implements CommandListener {
  private List list = new List("Pick One", List.IMPLICIT);
  private Canvas canvas = new VideoCanvas();
  private Form form = new Form("Video Form", null);
  private StringItem descriptionItem = new StringItem("Desc: ", "Bad audio");
  Player player = null;
  private Command backCommand = new Command("Back", Command.ITEM, 1);
  private Command exitCommand = new Command("Exit", Command.EXIT, 1);
  private Alert alert = new Alert("Error");
  private Display display = null;
  private boolean error = false;
  public DisplayVideoMIDlet() {
    display = Display.getDisplay(this);
    canvas.addCommand(exitCommand);
    canvas.addCommand(backCommand);
    canvas.setCommandListener(this);
    form.append(descriptionItem);
    form.addCommand(exitCommand);
    form.addCommand(backCommand);
    form.setCommandListener(this);
    list.append("Play Video on Form", null);
    list.append("Play Video on Canvas", null);
    list.addCommand(exitCommand);
    list.setCommandListener(this);
  }
  public void startApp() {
    if (error)
      return;
    display.setCurrent(list); 
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
    try {
      if (player != null)
        player.close();
    } catch (Exception e) {
      error(e);
    }
  }
  public void commandAction(Command cmd, Displayable disp) {
    if (cmd == exitCommand) {
      destroyApp(true);
      notifyDestroyed();
    } else if (cmd == backCommand) { 
      try {
        if (player != null)
          player.close();
      } catch (Exception e) {
        error(e);
      }
      display.setCurrent(list);
      return;
    }
    try {
      loadPlayer();
      if (list.getSelectedIndex() == 0) { 
        GUIControl guiControl = (GUIControl) player .getControl("javax.microedition.media.control.GUIControl");
        if (guiControl == null)
          throw new Exception("No GUIControl!!");
        Item videoItem = (Item) guiControl.initDisplayMode(GUIControl.USE_GUI_PRIMITIVE, null);
        form.insert(0, videoItem);
        display.setCurrent(form);
        player.start();
      } else {
        VideoControl videoControl = (VideoControl) player.getControl("javax.microedition.media.control.VideoControl");
        if (videoControl == null)
          throw new Exception("No VideoControl!!");
        videoControl.initDisplayMode(VideoControl.USE_DIRECT_VIDEO, canvas);
        videoControl.setDisplayFullScreen(true);
        videoControl.setVisible(true);
        display.setCurrent(canvas);
        player.start();
      }
    } catch (Exception e) {
      error(e);
    }
  }
  private void loadPlayer() throws Exception {
    player = Manager.createPlayer(getClass().getResourceAsStream("/r.mp4"), "video/mpeg4");
    player.realize();
  }
  private void error(Exception e) {
    alert.setString(e.getMessage());
    alert.setTimeout(Alert.FOREVER);
    display.setCurrent(alert);
    e.printStackTrace();
    error = true;
  }
}
class VideoCanvas extends Canvas {
  public void paint(Graphics g) {
  }
}

Moveable Video

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.Graphics;
import javax.microedition.lcdui.game.GameCanvas;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.VideoControl;
import javax.microedition.media.control.VolumeControl;
import javax.microedition.midlet.MIDlet;
public class MoveableVideoMIDlet extends MIDlet implements CommandListener {
  private Player player = null;
  private VideoControl videoControl = (VideoControl) player
      .getControl("javax.microedition.media.control.VideoControl");
  private VolumeControl volControl = (VolumeControl) player
      .getControl("javax.microedition.media.control.VolumeControl");
  private MovableVideoCanvas canvas = new MovableVideoCanvas(videoControl);
  private Command exitCommand = new Command("Exit", Command.EXIT, 1);
  private Command stopAudioCommand = null;
  private Display display = Display.getDisplay(this);
  private Alert alert = new Alert("Error");
  public MoveableVideoMIDlet() {
    alert.addCommand(exitCommand);
    alert.setCommandListener(this);
    try {
      player = Manager.createPlayer(getClass().getResourceAsStream(
          "/r.mp4"), "video/mp4");
      player.realize();
      stopAudioCommand = new Command("Stop Audio", Command.SCREEN, 1);
      canvas.addCommand(exitCommand);
      canvas.addCommand(stopAudioCommand);
      canvas.setCommandListener(this);
      videoControl.initDisplayMode(VideoControl.USE_DIRECT_VIDEO, canvas);
      int halfCanvasWidth = canvas.getWidth() / 2;
      int halfCanvasHeight = canvas.getHeight() / 2;
      videoControl.setDisplayFullScreen(false);
      videoControl.setDisplaySize(halfCanvasWidth, halfCanvasHeight);
      videoControl.setDisplayLocation(halfCanvasWidth / 2,
          halfCanvasHeight / 2);
      videoControl.setVisible(true);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  public void startApp() {
    try {
      player.start();
    } catch (Exception e) {
      e.printStackTrace();
    }
    display.setCurrent(canvas);
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
    try {
      if (player != null)
        player.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  public void commandAction(Command cmd, Displayable disp) {
    if (cmd == exitCommand) {
      destroyApp(true);
      notifyDestroyed();
    } else if (cmd == stopAudioCommand) {
      if (volControl != null)
        volControl.setMute(true);
    }
  }
}
class MovableVideoCanvas extends GameCanvas {
  private VideoControl videoControl = null;
    public MovableVideoCanvas(VideoControl vControl) {
    super(false);
    this.videoControl = vControl;
  }
  public void paint(Graphics g) {
    flushGraphics();
  }
  public void keyPressed(int keyCode) {
    int y = videoControl.getDisplayY();
      y -= 2;
    videoControl.setDisplayLocation(videoControl.getDisplayX(), y);
    repaint();
  }
}