imageex.java

java程序

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class ImageEx extends MIDlet implements CommandListener 
{
    private Command     cmdExit;
    private ImageCanvas canvas; 

    public ImageEx() 
    {
        cmdExit = new Command("Exit", Command.SCREEN, 2);
        canvas  = new ImageCanvas();
    }

    public void startApp() 
    {
        canvas.addCommand(cmdExit);
        canvas.setCommandListener(this);
        Display.getDisplay(this).setCurrent(canvas);
    }

    public void pauseApp() 
    {
    }

    public void destroyApp(boolean unconditional) 
    {
    }


    public void commandAction(Command command, Displayable screen) 
    {

        if (command == cmdExit) 
        {
            notifyDestroyed();
        }
    }
}