import java.io.InputStream;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Item;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.VideoControl;
import javax.microedition.midlet.MIDlet;
public class VideoMIDlet extends MIDlet implements CommandListener, Runnable {
private Display mDisplay;
private Form mMainScreen;
private Item mVideoItem;
private VideoControl mVidc;
private Command mPlayCommand;
private Player mPlayer = null;
public void startApp() {
mDisplay = Display.getDisplay(this);
if (mMainScreen == null) {
mMainScreen = new Form("Video MIDlet");
mMainScreen.addCommand(new Command("Exit", Command.EXIT, 0));
mPlayCommand = new Command("Play", Command.SCREEN, 0);
mMainScreen.addCommand(mPlayCommand);
mMainScreen.setCommandListener(this);
}
mDisplay.setCurrent(mMainScreen);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
if (mPlayer != null) {
mPlayer.close();
}
}
public void commandAction(Command c, Displayable s) {
if (c.getCommandType() == Command.EXIT) {
destroyApp(true);
notifyDestroyed();
} else {
Form waitForm = new Form("Loading...");
mDisplay.setCurrent(waitForm);
Thread t = new Thread(this);
t.start();
}
}
public void run() {
playFromResource();
}
private void playFromResource() {
try {
InputStream in = getClass().getResourceAsStream("/f.mpg");
mPlayer = Manager.createPlayer(in, "video/mpeg");
// player.start();
mPlayer.realize();
if ((mVidc = (VideoControl) mPlayer.getControl("VideoControl")) != null) {
mVideoItem = (Item) mVidc.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE, null);
mMainScreen.append(mVideoItem);
}
mPlayer.start();
mMainScreen.removeCommand(mPlayCommand);
mDisplay.setCurrent(mMainScreen);
} catch (Exception e) {
showException(e);
return;
}
}
private void showException(Exception e) {
Alert a = new Alert("Exception", e.toString(), null, null);
a.setTimeout(Alert.FOREVER);
mDisplay.setCurrent(a, mMainScreen);
}
}
31.52.VideoControl |
| 31.52.1. | Use VideoControl |