// Copyright 2002 Nokia Corporation. // // THIS SOURCE CODE IS PROVIDED 'AS IS', WITH NO WARRANTIES WHATSOEVER, // EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS // FOR ANY PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE // OR TRADE PRACTICE, RELATING TO THE SOURCE CODE OR ANY WARRANTY OTHERWISE // ARISING OUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE AND WITH NO // OBLIGATION OF NOKIA TO PROVIDE THE LICENSEE WITH ANY MAINTENANCE OR // SUPPORT. FURTHERMORE, NOKIA MAKES NO WARRANTY THAT EXERCISE OF THE // RIGHTS GRANTED HEREUNDER DOES NOT INFRINGE OR MAY NOT CAUSE INFRINGEMENT // OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OWNED OR CONTROLLED // BY THIRD PARTIES // // Furthermore, information provided in this source code is preliminary, // and may be changed substantially prior to final release. Nokia Corporation // retains the right to make changes to this source code at // any time, without notice. This source code is provided for informational // purposes only. // // Nokia and Nokia Connecting People are registered trademarks of Nokia// Corporation.// Java and all Java-based marks are trademarks or registered trademarks of// Sun Microsystems, Inc.// Other product and company names mentioned herein may be trademarks or// trade names of their respective owners.// // A non-exclusive, non-transferable, worldwide, limited license is hereby // granted to the Licensee to download, print, reproduce and modify the // source code. The licensee has the right to market, sell, distribute and // make available the source code in original or modified form only when // incorporated into the programs developed by the Licensee. No other // license, express or implied, by estoppel or otherwise, to any other // intellectual property rights is granted herein.// unnamed packageimport javax.microedition.midlet.*;import javax.microedition.lcdui.*;public class CameraMIDlet    extends MIDlet{    private CameraCanvas cameraCanvas = null;    private DisplayCanvas displayCanvas = null;    public CameraMIDlet()    {    }        public void startApp()    {        Displayable current = Display.getDisplay(this).getCurrent();        if (current == null)        {            // first call            cameraCanvas = new CameraCanvas(this);            displayCanvas = new DisplayCanvas(this);            Display.getDisplay(this).setCurrent(cameraCanvas);            cameraCanvas.start();        }        else        {            // returning from pauseApp            if (current == cameraCanvas)            {                cameraCanvas.start();            }            Display.getDisplay(this).setCurrent(current);        }    }    public void pauseApp()    {        if (Display.getDisplay(this).getCurrent() == cameraCanvas)        {            cameraCanvas.stop();        }    }    public void destroyApp(boolean unconditional)    {        if (Display.getDisplay(this).getCurrent() == cameraCanvas)        {            cameraCanvas.stop();        }    }    private void exitRequested()    {	    destroyApp(false);	    notifyDestroyed();    }    void cameraCanvasExit()    {        exitRequested();    }    void cameraCanvasCaptured(byte[] pngData)    {        cameraCanvas.stop();        displayCanvas.setImage(pngData);        Display.getDisplay(this).setCurrent(displayCanvas);    }    void displayCanvasBack()    {        Display.getDisplay(this).setCurrent(cameraCanvas);        cameraCanvas.start();    }}