tankmidlet.java

tank游戏

package src;
import java.io.IOException;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class TankMIDlet extends MIDlet implements CommandListener {
	
	private TankCanvas tankCanvas;
	
	public TankMIDlet() {
	
	}

	protected void startApp() throws MIDletStateChangeException {
		if(tankCanvas==null){
			try{
				 tankCanvas = new TankCanvas(this);
				 tankCanvas.start();
				 Command exitCommand = new Command("EXIT",Command.EXIT,0);
				 tankCanvas.addCommand(exitCommand);
				 tankCanvas.setCommandListener(this);
			}catch(IOException ioe){
				System.out.println(ioe);
			}
			Display.getDisplay(this).setCurrent(tankCanvas);; 
		   	   
		}
	}

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

	}

	protected void destroyApp(boolean arg0) {
		if(tankCanvas != null)tankCanvas.stop();
		
	}

	public void commandAction(Command c, Displayable d) {
		if(c.getCommandType() == Command.EXIT){
			destroyApp(true);
			notifyDestroyed();
		}
	}

}