Background image in a gridfield in blackberry

I am developed a GridField in Blackberry.I have added a background image which covers the full screen.Now i want to add an image on top of the background image and add the gridfield on that image,when i am adding the image on the background image a开发者_高级运维nd then add the gridfield,the gridfield goes below the image,but i want it on top of the image.

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You can call like:

vfm.setBackground(BackgroundFactory.createBitmapBackground(your bitmap))

Or you can call the same method in a screen to set the background image to entire screen.

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You will likely have to use different Managers, or combine your fields/managers in a different manner than you are right now. But, without seeing your code, I can't diagnose any further.