TUGAS BESAR JAVA
import java.util.Hashtable; import java.util.Enumeration;
import javax.microedition.lcdui.Item; import javax.microedition.lcdui.List; import javax.microedition.lcdui.Form; import javax.microedition.midlet.MIDlet; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Command; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.CommandListener?;
import javax.microedition.media.Player; import javax.microedition.media.Control; import javax.microedition.media.Manager; import javax.microedition.media.PlayerListener?; import javax.microedition.media.control.VideoControl?;
public class PlayVideo? extends MIDlet
implements CommandListener?, PlayerListener? {
private Display display; private List itemList; private Form form;
private Command stopCommand; private Command pauseCommand; private Command startCommand;
private Hashtable items; private Hashtable itemsInfo;
private Player player;
public PlayVideo?() {
display = Display.getDisplay(this);
itemList = new List("Video", List.IMPLICIT);
stopCommand = new Command("Stop", Command.STOP, 1); pauseCommand = new Command("Pause", Command.ITEM, 1); startCommand = new Command("Mulai", Command.ITEM, 1);
form = new Form("Play Video");
form.addCommand(stopCommand); form.addCommand(pauseCommand); form.setCommandListener(this);
items = new Hashtable();
itemsInfo = new Hashtable();
items.put("video.mpeg", "file://video.mpg"); itemsInfo.put("video.mpeg", "video/mpeg");
}
public void startApp() {
for(Enumeration en = items.keys(); en.hasMoreElements();) {
itemList.append((String)en.nextElement(), null);
}
itemList.setCommandListener(this);
display.setCurrent(itemList);
}
public void pauseApp() {
try {
if(player != null) player.stop();
} catch(Exception e) {}
}
public void destroyApp(boolean unconditional) {
if(player != null) player.close();
}
public void commandAction(Command command, Displayable disp) {
if(disp instanceof List) {
List list = ((List)disp);
String key = list.getString(list.getSelectedIndex());
try {
playMedia((String)items.get(key), key);
} catch (Exception e) { }
} else if(disp instanceof Form) {
try {
if(command == stopCommand) {
player.close(); display.setCurrent(itemList); form.removeCommand(startCommand); form.addCommand(pauseCommand);
} else if(command == pauseCommand) {
player.stop(); form.removeCommand(pauseCommand); form.addCommand(startCommand);
} else if(command == startCommand) {
player.start(); form.removeCommand(startCommand); form.addCommand(pauseCommand);
}
} catch(Exception e) { }
}
}
private void playMedia(String locator, String key) throws Exception {
String file = locator.substring(
locator.indexOf("file://") + 6, locator.length());
player =
Manager.createPlayer(
getClass().getResourceAsStream(file), (String)itemsInfo.get(key));
player.addPlayerListener(this);
player.setLoopCount(-1); player.prefetch(); player.realize();
player.start();
}
public void playerUpdate(Player player, String event, Object eventData) {
if(event.equals(PlayerListener?.STARTED) &&
new Long(0L).equals((Long)eventData)) {
VideoControl? vc = null; if((vc = (VideoControl?)player.getControl("VideoControl?")) != null) {
Item videoDisp =
(Item)vc.initDisplayMode(vc.USE_GUI_PRIMITIVE, null);
form.append(videoDisp);
}
display.setCurrent(form);
} else if(event.equals(PlayerListener?.CLOSED)) {
form.deleteAll();
}
}
}
