test3.java

J2ME的源码！我以前学习J2ME的源码哈！非常适合初学者

package MidpDemo;

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
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.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.ToneControl;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class Test3 extends MIDlet implements CommandListener {
	private Display display;

	private Form form;

	private Command cmdok = new Command("播放", Command.OK, 1);

	private byte[] sequence;

	public Test3() {
		form = new Form("试验音频");
		form.addCommand(cmdok);
		form.setCommandListener(this);
		sequence = new byte[] { ToneControl.VERSION, 1, 67, 16, // The
				69, 16, // hills
				67, 8, // are
				65, 8, // a -
				64, 48, // live
				62, 8, // with
				60, 8, // the
				59, 16, // sound
				57, 16, // of
				59, 32, // mu -
				59, 32 // sic
		};

		display = display.getDisplay(this);
		display.setCurrent(form);

	}

	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		// TODO Auto-generated method stub

	}

	protected void pauseApp() {
		// TODO Auto-generated method stub

	}

	protected void startApp() throws MIDletStateChangeException {
		// TODO Auto-generated method stub

	}

	public void commandAction(Command c, Displayable arg1) {

		//
		// try{
		// Player p=Manager.createPlayer(Manager.TONE_DEVICE_LOCATOR);
		// p.realize();
		// ToneControl ta=(ToneControl)p.getControl("ToneControl");
		// ta.setSequence(sequence);
		// p.start();
		//			
		// }catch(Exception e){
		//			
		// }
		try {
			Player player = Manager.createPlayer(Manager.TONE_DEVICE_LOCATOR);
			player.realize();
			ToneControl ta = (ToneControl) player.getControl("ToneControl");
			ta.setSequence(sequence);
			player.start();
			Alert at = new Alert("提示", "播放成功", null, AlertType.WARNING);
			display.setCurrent(at);
		} catch (Exception e) {

		}

	}

}