How to use Nokia Default camera?

[vijju_siri143]

hi,

I was created J2ME application for taking a snapshot and send it to server then it get stored in database. My task was completed successfully. But In the present application i am using VideoControl to show camera.
I dont want to use VideoControl, because that videocontrol is not in fullscreen mode and I was unable to use camera softkey of the handset.

So, I want to call the Camera and when i press Camera softkey of handset then comeback to application with raw byte data.

Is it Possible?
If yes, then how it possible?

Please Help me.

Thanks in Advance.

[njzk2]

no. (you may try something with the filesystem, but i am unsure it can work)
but you can adapt the videocontrol to be full screen ( http://java.sun.com/javame/reference...n%28boolean%29 )
concerning the softkey, check weither you receive the event in your canvas when you press the key.

[vijju_siri143]

dear njzk2,
i had used videoControl.setDisplayFullScreen(true) and also tried with canvas also.
still that camera not in fullscreen mode.

[raj_J2ME]

dear njzk2,
i had used videoControl.setDisplayFullScreen(true) and also tried with canvas also.
still that camera not in fullscreen mode.

In case of Canvas, did you set the full screen mode as true?

[njzk2]

what device do you tried that on?

[vijju_siri143]

I am Using Nokia 5233 and Nokia 3110c handsets for testing.

[raj_J2ME]

I am Using Nokia 5233 and Nokia 3110c handsets for testing.

Don't call the setFullScreenMode(true)..
Did you test this?

[vijju_siri143]

In canvas mode, i am getting only canvas as full screen not a camera.

[vijju_siri143]

Don't call the setFullScreenMode(true)..
Did you test this?

Yes, I was Tested without fullscreenmode also.
if i am using without fullscreenmode then camera videocontrol too small.

[raj_J2ME]

In canvas mode, i am getting only canvas as full screen not a camera.

Inside your Canvas are you using the setfullscreenmode as true?
that is what I am saying about?

[vijju_siri143]

This is the my code for camera canvas.
check and reply.


package myApp;

import java.io.IOException;
import javax.microedition.lcdui.*;
import javax.microedition.media.*;
import javax.microedition.media.control.*;

public class CameraCanvas extends Canvas implements CommandListener
{
private final CameraMIDlet midlet;
private final Command exitCommand;
private Command captureCommand = null;
private Command FullCommand = null;
private Command ExitFullCommand = null;
private Player player = null;
private VideoControl videoControl = null;
private boolean active = false;
private String message1 = null;
private String message2 = null;

CameraCanvas(CameraMIDlet midlet)
{
this.midlet = midlet;
exitCommand = new Command("Exit", Command.EXIT, 1);
FullCommand = new Command("Full", Command.OK, 1);
ExitFullCommand = new Command("ExitFull", Command.OK, 1);
addCommand(exitCommand);
setCommandListener(this);
try
{
player = Manager.createPlayer("capture://image");
player.realize();
videoControl = (VideoControl)player.getControl("VideoControl");
if (videoControl != null)
{
videoControl.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE,null);
captureCommand = new Command("Capture", Command.SCREEN, 1);
addCommand(captureCommand);
addCommand(FullCommand);
addCommand(ExitFullCommand);
}
else
{
discardPlayer();
message1 = "Unsupported:";
message2 = "Can'tgetvideocontrol";
}
}
catch (IOException ioe)
{
discardPlayer();
message1 = "IOException:";
message2 = ioe.getMessage();
}
catch (MediaException me)
{
discardPlayer();
message1 = "MediaException:";
message2 = me.getMessage();

}
catch (SecurityException se)
{
discardPlayer();
message1 = "SecurityException";
message2 = se.getMessage();
}
}

protected void paint(Graphics g)
{
g.setColor(0x00FFFF00);
g.fillRect(0, 0, getWidth(), getHeight());
if (message1 != null)
{
g.setColor(0x00000000);
g.drawString(message1, 1, 1, Graphics.TOP | Graphics.LEFT);
g.setColor(100,150,100);
g.drawString(message2, 1, 1 + g.getFont().getHeight(), Graphics.TOP | Graphics.LEFT);
}
}

synchronized void start()
{
if ((player != null) && !active)
{
try
{
player.start();
videoControl.setVisible(true);
}
catch (MediaException me)
{
message1 = "Mediaexception:";
message2 = me.getMessage();
}
catch (SecurityException se)
{
message1 = "SecurityException";
message2 = se.getMessage();
}
active = true;
}
}

synchronized void stop()
{
if ((player != null) && active)
{
try
{
videoControl.setVisible(false);
player.stop();
}
catch (MediaException me)
{
message1 = "MediaException:";
message2 = me.getMessage();
}
active = false;
}
}

private void discardPlayer()
{
if (player != null)
{
player.close();
player = null;
}
videoControl = null;
}

public void commandAction(Command c, Displayable d)
{
if (c == exitCommand)
{
midlet.cameraCanvasExit();
}
else if(c == captureCommand)
{
takeSnapshot();
}
else if(c == FullCommand)
{
try
{
videoControl.setDisplayFullScreen(true);
}
catch (MediaException ex)
{
ex.toString();
}
}
else if(c == ExitFullCommand)
{
try
{
videoControl.setDisplayFullScreen(false);
}
catch (MediaException ex1)
{
ex1.toString();
}
}
}

public void keyPressed(int keyCode)
{
if (getGameAction(keyCode) == FIRE)
{
takeSnapshot();
}
}

private void takeSnapshot()
{
if (player != null)
{
try
{
byte[] pngImage = videoControl.getSnapshot(null);
midlet.cameraCanvasCaptured(pngImage);
}
catch (MediaException me)
{
message1 = "MediaException:";
message2 = me.getMessage();
}
}
}
}

I was tried this code. camera is not showing but when i press on capture image is capturing.
What's a reason?

[njzk2]

this may have to do with your paint:

g.setColor(0x00FFFF00);
g.fillRect(0, 0, getWidth(), getHeight());

fills the screen, so there is a good chance your videocontrol is under.
check the code samples on the wiki there are several examples on how to capture an image.