midletlifecycle2.java

java手机程序开发光盘源码（第四章）

import javax.microedition.midlet.*;

public class MIDletLifeCycle2 extends MIDlet{

	boolean everPaused = false;

	public MIDletLifeCycle2(){
		
		System.out.println("MIDletLifeCycle is initialized!");
	}

	public void startApp(){
		
		if(!everPaused){	
			System.out.println("startApp() is called!");
			pauseApp();
			notifyPaused();
			resumeRequest();
		}
		else{
			System.out.println("startApp() is called twice!");
			destroyApp(true);
			notifyDestroyed();
		}
	}

	public void pauseApp(){
		
		everPaused = true;
		System.out.println("pauseApp() is called!");
	}

	public void destroyApp(boolean unconditional){
		
		System.out.println("destroyApp() is called!");
	}

}