test2.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.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 Test2 extends MIDlet implements CommandListener{
	private Display display;
	private Form form;
	private Command cmdok=new Command("播放",Command.OK,1);
	private byte[] sequence;
	public Test2(){
		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 {

	}

	protected void pauseApp() {
	}
	protected void startApp() throws MIDletStateChangeException {

	}

	public void commandAction(Command c, Displayable arg1) {
		try{
			Player player = Manager.createPlayer(Manager.TONE_DEVICE_LOCATOR);//先需取得Player即播放器
			player.realize();//是一种状态,可理解成声音的一个生命周期,在初始时,属于unrealize,调用之后才可以使用;
			ToneControl tc = (ToneControl)player.getControl("ToneControl");//再获得控制器
			tc.setSequence(sequence);//再将声明的数组传入;setSequence设置播放的一个内容
			player.start();
		}catch(Exception e ){
			e.printStackTrace();
		}
	}

}