test5.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.lcdui.Gauge;
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 Test5 extends MIDlet implements CommandListener{
	private Display display;
	private Command cmdok=new Command("播放",Command.OK,2);
	private Form form;
	private Gauge ingauge;
	public Test5(){
		form =new Form("音频调试");
		ingauge=new Gauge("测试",true,100,50);
		form.append(ingauge);
		form.addCommand(cmdok);
		form.setCommandListener(this);
		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);
//		player.realize();
		
		Manager.playTone(60, 6000, ingauge.getValue());
		
		
//		player.start();
		}
		catch(Exception e){
			e.printStackTrace();
			
		}
	}




			
		
		
	

}