本源代码包括J2ME开发精解 该书的全部章节的示例代码

				package com.j2medev.ch8.fc;
				
				import javax.microedition.midlet.*;
				import javax.microedition.lcdui.*;
				
				public class PowerAudio extends MIDlet {
				    
				    private FileController controller = null;
				    
				    public void startApp() {
				        //初始化FileController
				        controller = new FileController(this);
				        controller.showCurrentDir();
				    }
				    
				    public void pauseApp() {
				    }
				    
				    public void destroyApp(boolean unconditional) {
				    }
				    
				    public void exit(){
				        destroyApp(false);
				        notifyDestroyed();
				    }
				}