Here is my problem : I would like to create a specific component with the camera and an image representing a target overlaying the VideoControl's view.
First I would like to display the camera in a MainScreen with a TitleBar.
Here is my code :
public class ScanScreen extends MainScreen {
private ScanScreen()
{
super();
this.vfm = new VerticalFieldManager(Field.FIELD_VCENTER);
this.controller = new ScanController(this);
//Initialize the player.
try
{
this.player = javax.microedition.media.Manager.createPlayer("capture://video?encoding=jpeg&width=1024&height=768");
this.player.realize();
this.player.prefetch();
this.videoControl = (VideoControl) this.player.getControl("VideoControl");
if(this.videoControl != null)
{
// Initialize the field where the content of the camera shall be displayed.
Field videoField = (Field) this.videoControl.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE, "net.rim.device.api.ui.Field");
// Display the video control.
this.videoControl.setDisplayFullScreen(true);
this.videoControl.setVisible(true);
// Start the player.
this.player.start();
// Add the video field to the main screen.
if(videoField != null)
{
this.vfm.add(videoField);
}
else
{
LabelField sorry = new LabelField("Sorry, we cannot use camera right now.");
this.vfm.add(sorry);
}
}
}
catch(Exception e)
{
Dialog.alert(e.toString());
}
// TODO : the camera is hiding the title bar
this.setTitle("Title");
this.add(this.vfm);
}
}
The first problem is that the view of the VideoContol is hiding my title bar. How can I fix that ?
The second thing : I have a specific rectangular image representing a target with transparency which I would like to displaying over the view of the VideoControl.
I first tried to create a new class extending Field returning the dimensions of this image and make the image displayed in the paint method (this class is "mypackage.CameraField"). Then I tried to instantiate my VideoField with the name of my new class "mypackage.CameraField" in the initDisplayMode ; but the created videoField is null.
So, is there a solution to create that kind of behaviour ? I am thinking about the native application "Video Camera" in the "Multimedia" folder that displays a VideoControl in a specific area of the screen.
Thank you.
